1.2 Land Use. See "Use."

Land Use Regulation Table. A table in Article 6 (agricultural and resource zoning districts) through Article 14 (special purpose zoning districts) identify permits required for allowed land uses in each zoning district

[Reserved].

3.5.

Laundry Plants. See Section 26-20-050 for definition and development standards.

Lead Agency. Lead agency as defined in Section 15367 of the State CEQA Guidelines.

4.5.

Light Deprivation. The elimination of natural light in order to induce flowering, using black out tarps or any other opaque covering.

4.6.

Live/Work. See Section 26-24-200 for definition and development standards.

Livestock. Animals maintained as a source of food or clothing, including bovine and equine animals.

Local Area Development Guidelines. Design and other guidelines for development that apply to a specified community or local area, as a subunit of a planning area, and which provide a greater level of detail or relate special circumstances for use in that area.

6.1.

Lodging: Agricultural Farmstay. See Section 26-28-110 for definition and development standards.

6.2.

Lodging: Agricultural Marketing Accommodations. See Section 26-28-120 for definition and development standards.

6.3.

Lodging: Bed and Breakfast. See Section 26-28-130 for definition and development standards.

6.4.

Lodging: Hosted Rental. See Section 26-28-140 for definition and development standards.

6.5.

Lodging: Hotel, Motel, and Resort. See Section 26-28-150 for definition and development standards.

6.6.

Lodging: Vacation Rental. See Section 26-28-160 for definition and development standards.

Lot. Lot means a legally defined parcel or contiguous group of parcels in single ownership or under single control, usually considered a unit for purposes of development.

Lot, Corner. A lot, two (2) or more adjacent sides of which abut upon a street.

Lot Coverage. See "building coverage."

Lot, Frontage. The linear measurement of the front lot line.

Lot, Key. An interior lot adjacent to a corner lot, the side line of which is contiguous with the rear lot line of the corner lot.

Lot Lines. The property lines bounding the lot.

Lot Line, Front. Any of the following: (1) each street lot line of an interior or through lot, (2) either one or the other of the two (2) street lot lines of a corner lot.

Lot Line, Rear. The lot line opposite and most distant from the front line, where such lot line is not also a street lot line.

Lot Line, Side. Any lot line other than a front or rear lot line. A side lot line separating a lot from a street is called a side street lot line. A side lot line separating a lot from another lot or lots is called an interior side lot line.

Lot of Record. A lot that is designated upon a map showing the lot, block and tract as indicated on a final map, as such map is filed in the County recorder's office, or as a lot shown on a recorded parcel map.

Lot Width. The least distance between the side lot lines, measured at points midway between the front and rear lot lines. In the case of triangular lots, or lots that are bounded by more than four (4) straight lines, or that have curvilinear side lines, the planning director shall determine the lot width.

Lot Depth. Lot depth is measured along an imaginary straight line drawn from the midpoint of the front property line of the lot to the midpoint of the rear property line or to the most distant point on any other lot line where there is no rear lot line.

18.5.

Low Temperature Geothermal Resource Development. See Section 26-30-050 for definition and development standards.

18.7.

Low-Barrier Navigation Center. See Section 26-24-210 for definition and development standards.

Low-Income Household. A household whose gross annual income does not exceed eighty percent (80%) of the median income for Sonoma County as established by the U.S. Department of Housing and Urban Development, adjusted for household size.

Lower-Income Household. Includes "low-income households," "very low- income households" and "extremely low-income households."

M.

"M" Terms.

Maintenance and Repair Service, non-vehicular. See Section 26-28-170 for definition and development standards.

1.5.

Major Timberland Conversion. A timberland conversion that requires a timberland conversion permit, or is exempt from a timberland conversion permit under Section 1104.2 of the Forest Practice Rule.

Manufactured Cannabis. Raw cannabis that has undergone a process whereby the raw agricultural product has been transformed into a concentrate, an edible product, or a topical product.

Manufactured Home. A dwelling unit including mobile homes and factory-built housing as defined in Sections 18210.5 and 19971, respectively, of the California Health and Safety Code.

3.1.

Manufactured Home Sales and Rental. See Section 26-26-110 for definition and development standards.

3.2.

Manufacturing/processing, heavy. See Section 26-20-060 for definition and development standards.

3.3.

Manufacturing/processing, light. See Section 26-20-070 for definition and development standards.

3.4.

Manufacturing/processing, medium. See Section 26-20-080 for definition and development standards.

3.5.

Marina. See Section 26-30-060 for definition and development standards.

Marijuana. See Cannabis.

Market Rate Unit. A dwelling unit in a residential project that is not restricted by an affordable housing agreement, and which is not expected to be provided as affordable to an extremely low-, very low-, low- or moderate-income household.

Medical Marijuana. See "Cannabis - Medical."

6.1.

Medical Services: Hospitals. See Section 26-28-180 for definition and development standards.

6.2.

Medical Services: Offices and Outpatient Care. See Section 26-28-190 for definition and development standards.

6.3.

Mining, Surface. See Section 26-18-180 for definition and development standards.

Ministerial Action. A governmental decision involving little or no personal judgment by the decision maker as to the wisdom or manner of carrying out a project. The decision maker merely applies the law to the facts as presented but uses no special discretion or judgement in reaching a decision. A ministerial decision involves only the use of fixed standards or objective measurements, and the decision maker cannot use personal, subjective judgement in deciding whether or how a project should be carried out.

7.5.

Mixed-use Development. See Section 26-24-210 for definition and development standards.

Mobile Home. A structure, transportable in one (1) or more sections, which is built on a permanent chassis and is designed to be used as a dwelling unit with or without a permanent foundation. Mobile home does not include a recreational vehicle or factory-built housing as defined in Section 19971 of the California Health and Safety Code.

8.5.

Mobile Home Park. See Section 26-24-220 for definition and development standards.

Moderate-Income Household. A household whose gross annual income does not exceed one hundred twenty percent (120%) of the median income for Sonoma County as established by the U.S. Department of Housing and Urban Development, adjusted for household size.

Multi-Family Housing Project. See "Rental Housing Project."

Multiple-User Telecommunication Facility. A telecommunication facility which is comprised of multiple towers containing a combination of antennas owned or operated by more than one (1) public or private entity.

Mushroom Farming. See Section 26-18-190 for definition and development standards.

N.

"N" Terms.

0.1.

Native Oak Tree. A native oak tree to Sonoma County of the genus Quercus, that is classified as any one (1) of the following: blue oak (Q. douglasii), interior live oak (Q. wislizenii), coast live oak (Q. agrifolia), canyon live oak (Q. chrysolepis), Oregon oak (Q. garryana), California black oak (Q. kelloggii), valley oak (Q. lobata), Shreve oak (Q. parvula var. shrevei), or naturally occurring hybrids of two (2) or more of the preceding listed trees.

0.2.

Natural Community Conservation Plan. A plan that meets the definition of "Natural community conservation plan," codified at California Fish and Game Code Section 2805(h).

Natural Slope. The slope of the ground prior to any grading or other land disturbing activity. Natural slope shall be determined by measuring the horizontal distance between adjacent contours on a USGS quadrangle map or other topographic map acceptable to the County with a scale of not less than 1:24000 (1″ = 2000′) and contour intervals of not more than twenty feet (20′), and then dividing the difference in elevation between the two (2) contours by the measured horizontal distance. The horizontal distance shall be measured perpendicular to the contours.

Noncommercial Telecommunication Facility. A telecommunication facility which is operated solely for personal use and not for commercial purposes.

Nonconforming Use. A lawful use existing on the effective date of a zoning ordinance restriction and continuing since that date in nonconformance to the zoning ordinance restriction.

3.5.

Nonmanufactured Cannabis: Flower, shake, kief, leaf, and pre-rolls.

3.6.

Nonoperative Motor Vehicle. A nonoperative motor vehicle is any which cannot be moved under its own power, or cannot be operated lawfully on a public street or highway within this state. Nonoperative motor vehicle shall not include "vehicles of historic value" as defined by the California Vehicle Code which have current special identification plates as provided herein.

Nonoperative Motor Vehicle Storage Yard. The placing on any lot or parcel or contiguous lots or parcels of land one (1) or more nonoperative motor vehicles for a period exceeding fifteen (15) days. A nonoperative motor vehicle is any which cannot be moved under its own power, or cannot be operated lawfully on a public street or highway within this state. Nonoperative motor vehicle shall not include "vehicles of historic value" as defined by the California Vehicle Code which have current special identification plates as provided herein.

4.5.

Nonvolatile Solvent: Any solvent used in the extraction process that is not a volatile solvent. For purposes of this chapter, 'nonvolatile solvents' include carbon dioxide and ethanol.

Nursery Cannabis. An establishment that produces only clones, immature plants, and seeds for wholesale distribution to permitted cultivators or dispensaries, used specifically for the planting, propagation, and cultivation of medical cannabis.

Nursery, Retail. See Section 26-26-120 for definition and development standards.

Nursery Wholesale. An establishment engaged in the commercial production of trees, plants, seeds, stock, and other vegetation grown on site outdoors either in the ground or in containers for wholesale distribution to other businesses. Wholesale nursery does not include cannabis nurseries which are classified separately.

Nursery Wholesale Greenhouse. An establishment engaged in the commercial production of trees, plants, seeds, stock, and other vegetation grown within a commercial greenhouse for wholesale distribution to other businesses. Wholesale greenhouse nursery does not include cannabis nurseries which are classified separately.

O.

"O" Terms.

0.1.

Oak Woodland. A contiguous stand of trees dominated by Native Oak Trees with at least one-half (0.5) acre of cover. For purposes of this definition, "contiguous stand" means a stand where all individual oak trees with diameter at breast height (dbh) equal to or greater than six inches (6″) have canopies located within two hundred feet (200 ′) of one another on a parcel. Oak Woodland includes lands that supported native oak trees as indicated in the 2013 Sonoma VegMap. This term is inclusive of both oak woodlands and savannas, where canopy gaps may be more present, and oak forests, where canopy gaps are less present. Oak woodland is inclusive of associated vegetative strata including canopy, subcanopy, and shrubs.

0.2.

Oak Woodland Conservation Plan. A site-specific plan developed by a qualified professional knowledgeable in Oak Woodland conservation, which describes the conditions, qualities, and capabilities of a property's Oak Woodland resources, describes conservation objectives, identifies existing and intended use of the property, and identifies recommended or potential resource improvement projects.

Oil and Gas Exploration and Extraction. See Section 26-30-070 for definition and development standards.

1.5.

Old Growth Redwood. Any redwood tree over two hundred (200) years old.

Open Areas. Those areas suitable for common recreational use or which provide visual relief to developed areas, exclusive of flood control channel rights-of-way, areas devoted to parking, vehicular traffic or private use, and any other area which does not significantly lend itself to the overall benefit of either the particular development or surrounding environment. Open areas may include areas in private lot ownership, provided, that such areas are not fenced. The boundaries of open areas shall be treated as property lines in determining required rear and side yard setbacks. At least fifty percent (50%) of the required open area shall be contained as a single visually identifiable area exclusive of connecting corridors or pathways, and in no case be less than fifty feet (50′) in width nor five thousand (5,000) square feet in area.

Outdoor Advertising Sign. Any card, cloth, paper, metal, painted or wooden sign of any character (excluding appurtenant and directional signs) placed for outdoor advertising purposes, on the ground or onto any tree, wall, bush, rock, post fence, building, structure or thing. The term "placed," as used in this definition, includes erecting, constructing, maintaining, posting, painting, printing, tacking, nailing, gluing, sticking, carving or otherwise fastening, affixing to, or making visible in any manner.

Outdoor Advertising Structure. A structure of any kind or character erected or maintained for outdoor advertising purposes, upon which any advertisement of any kind whatsoever may be placed. The term placed, as used in this definition, includes erecting, constructing, maintaining, posting, painting, printing, tacking, nailing, gluing, sticking, carving or otherwise fastening, affixing to, or making visible in any manner.

4.5.

Outdoor Vendor. See Section 26-26-130 for definition and development standards.

Ownership Housing Project. A project of two (2) or more units, whether attached or detached, when those units are each placed on individual or air-space lots such that each individual unit may be owned separately.

P.

"P" Term.

Parking Facilities. See Section 26-30-080 for definition and development standards.

1.5.

Parking Spaces. Usable off-street area with independent access, not included within established front-yard setback, at least nine feet (9′) by twenty feet (20′) for diagonal or perpendicular vehicle parking, or at least eight feet (8′) by twenty-two feet (22′) for parallel vehicle parking.

1.6.

Parks and Playgrounds. See Section 26-22-110 for definition and development standards.

Periodic Special Events. See Section 26-22-120 for definition and development standards. (Also "cultural events.")

2.5.

Permanent Supportive Housing. See Section 26-24-230 for definition and development standards.

Permit. A county approval required by the zoning ordinance, including design and site plan review, historic resource permits, use permits, planned development permits, variances and zoning permits. The term "permit" does not including planning clearances, building permits, grading permits, and other construction- related approvals unless otherwise indicated. See also "use permit" and "zoning permit."

Person. An individual, firm, partnership, joint venture, association, corporation, limited liability company, estate, trust, business trust, receiver, syndicate, tribe, or any other group or combination acting as a unit and includes the plural as well as the singular number.

4.5.

Personal Services. See Section 26-28-200 for definition and development standards.

Photovoltaic (PV). A technology that uses a semiconductor to convert sunlight directly into electricity.

Planned Development. A real estate development other than a community apartment project, a stock cooperative or a cooperative, or a condominium and which is more particularly defined in Sections 11003 and 11003.1 of the California Business and Professions Code and subsequent amendments thereto, and having either or both of the following features:

a.

Any contiguous or noncontiguous lots, parcels or areas owned in common by the owners of the separately owned lots, parcels or areas consisting of areas or facilities the beneficial use and enjoyment of which is reserved to same or all of the owners of separately owned lots, parcels or areas;

b.

Any power existing to enforce any obligation in connection with membership in the owners association, or any obligation pertaining to the beneficial use and enjoyment of any portion of, or any interests in, either the separately or commonly owned lots, parcels or areas by means of a levy or assessment which may become a lien upon the separately owned lots, parcels or areas of defaulting owners or members, which said lien may be foreclosed in any manner provided by law for the foreclosure of mortgages or deeds of trust, with or without a power of sale.

Planning Department. The permit and resource management department.

7.5.

Premises - Cannabis: The designated structure or structures and land specified in the application that is owned, leased, or otherwise held under the control of the applicant or person holding a valid permit where commercial cannabis activity will be or is conducted.

Primary Caregiver. The same meaning as Health and Safety Code Section 11362.7(d), as may be amended.

Primary Owner. The property owner who resides in the property for a majority of the year, and does not have another primary residence. Primary owner does not include residences or condominiums owned as a timeshare, limited liability partnership or corporation, or fractional ownership of six (6) or more interests.

Prime Soils. Soils classified by the United States Department of Agriculture Soil Conservation Service as class I or class II.

10.5.

Process, Processing, or Processes - Cannabis: All activities associated with drying, curing, grading, trimming, rolling, storing, packaging, and labeling of nonmanufactured cannabis.

Processing Services. Support services which are related to and necessary for agricultural processing activities.

11.5.

Professional Office. See Section 26-28-210 for definition and development standards.

Protected Perimeter. A protected area surrounding a protected tree, the radius of which is at least one and one-half (1.5) times the distance from trunk to outermost extent of canopy.

Protected Tree. The following tree species and any natural hybrids of these tree species are considered protected tree species:

Hardwoods: Big Leaf Maple (Acer macrophyllum), Black Oak (Quercus kelloggii), Blue Oak (Quercus douglasii), Boxelder (Acer negundo), California Black Walnut (Juglans californica), California Buckeye (Aesculus californica), Canyon Live Oak (Quercus chrysolepis), Coast Live Oak (Quercus agrifolia), Cottonwood species

(Populus fremontii, P. trichocarpa), Interior Live Oak (Quercus wislizenii), Madrone (Arbutus menziesii), Oregon Ash (Fraxinus latifolia), Oregon Oak (Quercus garryana), Red or White Alder (Alnus rubra, A. rhombifolia), Valley Oak (Quercus lobata), Willow species (Salix laevigata, S. lucida) 2) Softwoods: Cypress species (Hesperocyparis macrocarpa, H. macnabiana), Grand Fir (Abies grandis), Pine species (Pinus attenuata, P. contorta, P. lambertiana, P. muricata, P. ponderosa, P. sabiniana), Redwood (Sequoia sempervirens), Western Hemlock (Tsuga heterophylla)

Public Garage. Any premises, except those herein defined as a private or storage garage, used for the storage or care of motor vehicles or where any such vehicles are equipped for operation or repair or kept for remuneration, hire or sale.

Public Safety Facilities. See Section 26-30-090 for definition and development standards.

Public Utility Facilities. See Section 26-30-100 for definition and development standards.

Q.

"Q" Terms.

Qualified Patient. The same meaning as Health and Safety Code Section 11362.7(f), as may be amended.

Quasi-Public Use or Facility. A use operated by a private nonprofit, educational, religious, charitable or medical institution, having the primary purpose of serving the general public, and including uses such as churches, private schools and universities, community, youth and senior citizen recreational facilities, private hospitals and the like.

R.

"R" Terms.

Recreation and Sports Facilities: Health/Fitness Facility. See Section 26-22-130 for definition and development standards.

1.1.

Recreation and Sports Facilities: Recreation Facility, Indoor. See Section 26-22-140 for definition and development standards.

1.2.

Recreation and Sports Facilities: Recreation Facility, Outdoor. See Section 26-22-150 for definition and development standards.

1.3.

Recreation and Sports Facilities: Rural sports and recreation. See Section 26-22-160 for definition and development standards.

1.4.

Recreation and Sports Facilities: Shooting Ranges. See Section 26-22-170 for definition and development standards.

1.5.

Recycling Collection Facilities. See Section 26-20-090 for definition and development standards.

1.6.

Recycling Processing Facilities. See Section 26-20-100 for definition and development standards.

Registered Professional Forester. A registered professional forester as defined in Section 895.1 of the Forest Practice Rules.

2.5.

Renewable Energy Facility. See Section 26-30-110 for definition and development standards.

Rental Housing Project. A project of two (2) or more units on a single lot, such that the individual units cannot be separately owned.

3.5.

Residential Community Care. See Section 26-24-240 for definition and development standards.

Residential Density. The maximum number of dwelling units per acre or the minimum number of acres per dwelling unit as permitted in the applicable zoning district.

4.5.

Residential Dwelling, Multi-family. See Section 26-24-120 for definition and development standards.

4.6.

Residential Dwelling, Single-family. See Section 26-24-130 for definition and development standards.

4.7.

Residential Dwelling, Two-family. See Section 26-24-140 for definition and development standards.

Residential Dwelling Unit. A room or group of internally connected rooms that have sleeping, cooking, eating, and sanitation facilities, but not more than one (1) kitchen, which constitute an independent housekeeping unit, occupied by or intended for one (1) household on a long-term basis. Dwelling unit does not include a tent, travel trailer, recreational vehicle or similar vehicle or structure.

Residential Project. For the purposes of Article 89 (affordable housing program requirements and incentives), one (1) or more dwelling units on a single site, including residential units provided within a mixed-use development.

Resource Agency. A federal or state agency having jurisdiction by law over natural resources affected by an activity.

7.5.

Restaurant. See Section 26-26-140 for definition and development standards.

Restoration. Actions taken with the primary goal to maintain, improve, or restore physical, chemical, and biological functions of a stream, wetland, or other sensitive habitat.

Review Authority. The official or body designated to approve, conditionally approve, or deny an application.

Riparian Corridor. The area occupied by a river or stream and related plant and animal communities.

Riparian Corridor, #-Foot. A riparian corridor with a streamside conservation area of 50/100/200 feet as specified, on each side of a designated stream measured from the top of the higher bank.

Riparian Functions. The beneficial uses of areas in and along streams, including: providing food, water, and breeding, egg deposition and nesting areas for fish, amphibians, reptiles, birds, insects, and mammals; providing protective cover, shade and woody debris to stream channels as habitat for coho salmon, steelhead, freshwater shrimp, and other protected and common aquatic-dependent species; providing movement opportunities, protective cover, and breeding, roosting, and resting habitat for terrestrial wildlife; filtering sediment and pollutants in runoff into streams; providing erosion protection for stream banks; and facilitating groundwater recharge.

Riparian Tree. A woody perennial plant growing in a riparian corridor, typically larger than fourteen feet (14') at maturity with a well-defined stem and definite crown having a single or multi-trunk structure, with a minimum diameter at breast height of two inches (2") for a single stem or aggregate of multi-trunk stems of five inches (5"), and a minimum height of ten feet (10').

Riparian Vegetation. Plant communities contiguous to and affected by surface and subsurface hydrologic features of water bodies (rivers, streams, lakes, or wetlands) that have one (1) or both of the following characteristics: 1) distinctly different vegetative species than adjacent areas, and 2) species similar to adjacent areas but exhibiting more vigorous or robust growth forms. Riparian vegetation is usually transitional between wetland and upland.

River Terrace Operation. Sand and gravel operations which entail the extraction, stockpiling, processing and sale of sand and gravel from terrace floodplain deposits.

Roof. The exterior surface on the top of a building or structure, as shown in the illustration accompanying "structure ridgeline."

S.

"S" Terms.

Scenic Corridor. As designated on Figure OS-2 of the general plan open space element, a strip of land of high visual quality along a certain roadway.

Scenic Highway. Those roadways in Sonoma County that have been so designated by the state of California.

Second Unit. See "accessory dwelling unit."

Secondary Use. A use of land or a building that is subordinate to, but may be different from the primary use of the land or building located on the same lot.

Senior Household. A household with at least one (1) person who is sixty-two (62) years of age or older.

Silhouette. A calculation of the exposed surface area of the towers and antennas associated with a telecommunication facility, as seen from an elevation perspective, as shown in the accompanying illustration.

The silhouette is a calculation of the physical surfaces of the combined tower and antenna(s) included in a telecommunication facility. Only the physical surfaces, and not the air spaces in between, are counted in the calculation. The silhouette calculation is measured from the viewing angle which presents the largest exposure from an elevation perspective.

Single-room Occupancy. See Section 26-24-250 for definition and development standards.

Site Class I or II timberland. As defined in Section 1060 of the Forest Practice Rules.

Site Classification. Site classification as defined in Section 4528 of the Public Resources Code.

Site Coverage. The percentage of total lot area encumbered by impervious surfaces, including all structures, buildings and paved or compacted driveways, parking areas, patios and walkways and similar features.

Slope. An inclined ground surface, the inclination of which is expressed as a ratio of horizontal distance to vertical distance (e.g., 2:1) or as a percentage (e.g., fifty percent (50%)).

Sludge. Solid material produced through sewage treatment processes.

Small Alcoholic Beverage Retail Establishment. An alcoholic beverage retail establishments with less than ten thousand (10,000) square feet of floor area.

Small Collection Facility. A small collection facility which occupies an area of not more than five hundred (500) square feet and includes: reverse vending machines occupying more than fifty (50) square feet; bins, boxes, cans, kiosk-type units and other containers or receptacles; and/or a properly licensed automobile, truck, trailer or van.

Small Wind Energy System. A wind energy conversion system consisting of a wind turbine, a tower, and associated control or conversion electronics, which has a rated capacity that does not exceed the allowable rated capacity under the Emerging Renewables Fund of the Renewables Investment Plan administered by the California Energy Commission and which will be used primarily to reduce onsite consumption of utility power.

Solar Thermal Electric. The conversion of sunlight to heat and its concentration and use to power a generator to produce electricity. Typically, solar concentrators boil water with focused sunlight, generating high-pressure steam which drives conventional turbine generators.

16.5.

Sports and Entertainment Assembly. See Section 26-22-180 for definition and development standards.

State CEQA Guidelines. The State Guidelines for Implementation of the California Environmental Quality Act, California Code of Regulations Title 14, Division 6, Chapter 3.

State Stocking Standards. Stocking standards as defined in Section 895.1 of the Forest Practice Rules.

18.1.

State-Regulated Small Employee Housing. See Section 26-24-260 for definition and development standards.

18.2.

Storage: Contractor's storage yard. See Section 26-20-110 for definition and development standards.

18.3.

Storage: Manufactured home storage. See Section 26-20-120 for definition and development standards.

18.4.

Storage: Personal storage. See Section 26-20-130 for definition and development standards.

18.5.

Storage: Vehicle, boat, and RV storage. See Section 26-20-140 for definition and development standards.

18.6.

Storage: Warehouses. See Section 26-20-150 for definition and development standards.

18.7.

Storage: Wholesale and distribution. See Section 26-20-160 for definition and development standards.

Street. A public or private thoroughfare which affords principal means of access to abutting property, including avenue, place, way, drive, land, boulevard, highway, road and any other thoroughfare except an alley as defined herein.

Street Line. The boundary between a street and property.

Structure. Anything constructed or erected, the use of which requires a location on the ground or attachment to something having location on the ground.

Structural Alterations. Any change in the supporting members of a building such as bearing walls, columns, beams or girders.

Structure Ridgeline. The long, narrow crest at the top of the juncture of two (2) or more surfaces making up the roof of a building or structure, as shown in the accompanying illustration.

Studios for Art Crafts, Dance, Music. See Section 26-22-190 for definition and development standards.

T.

"T" Terms.

Tasting Rooms. See Section 26-18-210 for definition and development standards.

1.1.

Telecommunication Facility. See Section 26-30-120 for definition and development standards.

1.2.

Temporary Occupancy of Travel Trailer. See Section 26-24-260 for definition and development standards.

1.3.

Theater and Entertainment Venues. See Section 26-22-200 for definition and development standards.

1.4.

Timber. Those species of trees listed as commercial species for the Coast Forest District, Group A, in Section 895.1 of the Forest Practice Rules.

Timber Harvesting Plan. A timber harvesting plan approved by the Director of the California Department of Forestry and Fire Protection, or by the State Board of Forestry and Fire Protection upon appeal, pursuant to Section 1032 et seq. of the Forest Practice Rules.

2.1.

Timber Management. See Section 26-18-220 for definition and development standards.

2.2.

Timber Operations. Timber operations as defined in Section 4527 of the Public Resources Code.

2.3.

Timber Operator Storage Yard. See Section 26-18-230 for definition and development standards.

2.4.

Timber Production. Growing and harvesting timber for commercial purposes.

Timber Saw Mills and Lumber Production. See Section 26-18-240 for definition and development standards.

Timberland. Timberland as defined in Section 1100 of the Forest Practice Rules.

Timberland Conversion. See Section 26-18-250 for definition and development standards.

Timberland Conversion Permit. A timberland conversion permit issued by the Director of the California Department of Forestry and Fire Protection, or by the State Board of Forestry and Fire Protection upon appeal, pursuant to Section 1100 et seq. of the Forest Practice Rules.

6.5.

Timeshare. Any accommodation, or portion thereof, used in accordance with a timeshare plan. See Section 26-28-165 for related definitions.

Tower. The support structure, including guyed, monopole and lattice types, upon which antennas are located as part of a telecommunication facility or upon which a wind turbine (or other mechanical device) is mounted as part of a small wind energy system.

Tower Height. The height above grade of the fixed portion of the tower, excluding any telecommunication antennas or a wind energy system or its blades.

Transient Use or Transient Occupancy. occupancy of a lodging facility or residence by any person other than the primary owner by concession, permit, right of access, license, gift or other agreement for a period of thirty (30) consecutive calendar days or less, counting portions of calendar days as full days.

9.5.

Transitional Housing. See Section 26-24-270 for definition and development standards.

Travel Trailer. A vehicle, other than a motor vehicle or mobile home which is designed or used for human habitation and for travel or recreational purposes, which is not more than eight feet (8′) in width and is less than forty feet (40′) in length, and which may be moved upon a public highway without special permit or chauffeur's license or both, without violating any provision of the Vehicle Code of the state.

Travel Trailer Park Or Recreational Trailer Park. Any area or tract of land where one (1) or more lots accommodate owners or users of travel trailers used for travel or recreational purposes wherein occupancy by any one (1) individual does not exceed ninety (90) consecutive days in any one (1) calendar year.

Tree. A healthy living large woody plant which ordinarily has a central trunk and at maturity exceeds a height of fourteen feet (14′).

Truck/Bus/Freight Terminal. See Section 26-30-130 for definition and development standards.

Type Conversion. The removal of the capacity of the land to grow oak trees or Oak Woodlands by a person. This includes but is not limited to, clearing, grading, or otherwise modifying land for roads, driveways, buildings or building pads, utility easements, and Agricultural Crop Cultivation within an Oak Woodland.

Maintenance such as pruning and removing dead branches from living oak resources is not included, provided that the maintenance does not include crown reduction resulting in death or conversion of the oak resource.

U.

"U" Terms.

Universal Design. An environment designed and built to be accessed and used by all persons, regardless of ability or mobility.

Urban Service Area. An urban service area designated in the general plan land use element. Also "county-designated area urban service area."

Use or Land Use. The activity conducted on a site or in a structure, or the purpose for which a site or structure is designed, arranged, occupied, or maintained.

Use Permit. A conditional use permit or a minor use permit.

V.

"V" Terms.

Vacation Rental. The tenancy of residential property for a term of thirty (30) days or less that is subject to transient occupancy tax. Vacation rental does not include a hosted rental or a bed and breakfast inn.

Vegetation removal. The cutting, breaking, burning or uprooting of vegetation, the application of herbicide to vegetation, the covering over of vegetation with earth, or the compacting of the soil under and around vegetation. For the purposes of this chapter, vegetation means all natural, non-cultivated plant life including the root system, stem, trunk, crown, branches, leaves or blades.

2.5.

Vehicle Maintenance and Repair. See Section 26-28-220 for definition and development standards.

2.6.

Vehicle/boat Sales and Rentals. See Section 26-26-150 for definition and development standards.

Very Low-Income Household. A household whose gross annual income does not exceed fifty percent (50%) of the median income for Sonoma County as established by the U.S. Department of Housing and Urban Development, adjusted for household size.

Veterinary Clinic. See Section 26-28-220 for definition and development standards.

4.5.

Visitor/Interpretive Center. See Section 26-22-210 for definition and development standards.

Volatile Solvent. Volatile solvents may include but is not limited to: (1) explosive gases, such as Butane, Propane, Xylene, Styrene, Gasoline, Kerosene, 02 or H2; and (2) dangerous poisons, toxins, or carcinogens, such as Methanol, Methylene Chloride, Acetone, Benzene, Toluene, and Tri-chloro-ethylene as determined by the fire marshall.

W.

"W" Terms.

Wet Bar. A single sink with a waste drain line no greater than one and one-half inches (1½") in diameter and an under counter refrigerator no greater than five (5) cubic feet in size with cabinets and/or counter top area not exceeding six (6) lineal feet. A wet bar shall not include a refrigerator in excess of five (5) cubic feet in size or a kitchen sink greater than two (2) square feet in size or a gas or electric range, stove top and/or oven (but may include a microwave oven).

Wind Energy Conversion System. A machine used to convert the kinetic energy of the wind into a usable form of electrical energy, including wind turbine generators, rotors, and blades.

Wind Energy System Height. The height above grade of the fixed portion of the tower including the vertical length of any extensions such as the rotor blade.

3.1.

Woodland Impact. Any activity which results in the removal or death of Native Oak Trees within an Oak Woodland.

Work/Live Unit. See Section 26-24-280 for definition and development standards.

Wrecking and Salvage Yards. See Section 26-20-170 for definition and development standards.

X.

"X" Terms.

Y.

"Y" Terms.

Yard, Front. A yard extending across the front of the lot between the inner side yard lines and measured from the front line of the lot to the nearest lines of the building; provided, that if any building line or official plan line has been established for the street upon which the lot faces, then such measurement shall be taken from such building line or official plan line to the nearest line of the building.

Yard, Rear. A yard extending across the full width of the lot and measured between the rear line of the lot and the nearest line of the main building.

Yard, Side. A yard between the line of the lot and the nearest line of the building and extending from the front line of the lot to the rear yard.

Year-Round or Extended Seasonal Farmworker Housing. See "Agricultural Employee Housing, Year-Round or Extended Seasonal."

Z.

"Z" Terms.