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Title 12 — Zoning

Chapter 12-4 — OS OPEN SPACE DISTRICT

Santa Maria Zoning Code · 2026-06 edition · updated 2026-07-07 · Santa Maria

Section 12-4.01. Regulations designated.

The sections of this chapter constitute the regulations of the OS (open space) district. (Prior Code § 10-70)

Section 12-4.02. Purpose.

The OS district is designed and intended to provide open space for the preservation of natural resources, managed production of resources, outdoor recreation, the protection of public health and safety, and to preserve natural scenic areas for future population, and to provide areas for future planned growth of the City.

(Prior Code § 10-70.1)

Section 12-4.03. Permitted uses.

The following uses shall be permitted in the OS district:

  • (a) Agricultural lands (areas of economic importance for the production of food or fiber), including farms, plant nurseries, orchards and truck gardening;

  • (b) Forest lands;

  • (c) Range lands;

  • (d) Areas required for recharge of groundwater basin, including retention basins required for flood control;

  • (e) Rivers, streams, reservoirs and fishing/casting ponds;

  • (f) Areas containing major mineral deposits including sand and gravel;

  • (g) Areas required for the preservation of plants and animal life, including habitat for wildlife species;

  • (h) Areas for outdoor recreation, including parks, utility easements, riding, hiking and bikeways;

  • (i) Areas for transportation corridors including scenic highways, railways and associated uses; i.e., freight and passenger rail service;

  • (j) Areas which require special management or regulation because of hazardous conditions such as earthquake fault zones, unstable soil areas, floodplains, watersheds, areas presenting high fire risks, and areas required for the protection of groundwater recharge, and water storage areas;

  • (k) Country clubs;

  • (l) Golf courses and driving ranges;

  • (m) Land reclamation projects;

(n) Publicly owned and operated sanitary landfill operations. (Prior Code § 10-70.2; Ord. 83-1051 § 3, eff. 4/14/83; Ord. 91-21 § 1, eff. 10/3/91)

Section 12-4.04. Conditional uses.

The following uses and those similar uses which the Planning Commission finds to fall within the intent and purpose of this zone, that will not be more obnoxious or detrimental to the public welfare and are found by the Planning Commission to be compatible with adjacent properties, and which are

of a comparable nature and of the same class enumerated in this section, shall be permitted in the OS district subject to obtaining a conditional use permit according to the procedures set forth in Article 2 of Chapter 12-35 of this title:

  • (a) Commercial greenhouses;

  • (b) Commercial recreation facilities;

  • (c) Extraction of natural resources, including buildings and structures necessary to the production of such natural resources on the site;

  • (d) Dwellings, single-family, on lots or parcels with a minimum size of 20 acres;

  • (e) Riding academies and stables with the boarding of horses;

  • (f) Public utility structures;

  • (g) Electrical substations;

  • (h) Tourist information centers;

  • (i) Libraries and museums;

  • (j) Cemeteries;

  • (k) An increase in pipeline capacity through the repair, maintenance, replacement or installation of new pipelines as defined in Section 12-2.113.1 ;

  • (l) New pipelines;

  • (m) Parking, storage and sales of vehicles when the property is adjacent to, and is considered to be compatible with, nonresidential uses.

(Prior Code § 10-70.3; Ord. 86-32 § 2, eff. 2/19/87; Ord. 91-21 § 1, eff. 10/3/91)

Section 12-4.05. Accessory uses.

Premises in the OS (open space) district may be used for accessory uses, provided such uses are established on the same lot or parcel of land, are incidental to and do not substantially alter the character of any permitted principal use. (Prior Code § 10-70.4)

Section 12-4.06. Development standards.

Development, uses and structures in the OS district shall be subject to the development standards set out in the following sections of this chapter. (Prior Code § 10-70.5)

Section 12-4.07. Development plans.

The following development plans are required:

  • (a) Plot plan showing:

    • (1) Location of each building and structure, including setbacks,

    • (2) Approximate areas to be used for various purposes,

    • (3) Parking areas, landscaping, and vehicular and pedestrian access,

    • (4) Topography and natural features of the site including trees and vegetation;

  • (b) Elevations or perspective drawings for all proposed structures;

  • (c) Time schedule for development indicating the length of time for construction or preparation for the proposed use or change in use and when the new or additional use will begin.

  • (Prior Code § 10-70.5(a))

Section 12-4.08. Parking.

For provisions on parking, see Chapter 12-32 of this title. (Prior Code § 10-70.5(b))

Section 12-4.09. Signs.

For provisions on signs, see Chapter 12-34 of this title. (Prior Code § 10-70.5(c))

Section 12-4.10. Entrada Plan.

Standards presented in the Entrada Specific Plan may apply to uses in certain locations, see Section 12-3.04 .

(Prior Code § 10-70.5(d))

Section 12-4.11. Single-family architectural and aesthetic standards.

Architectural and aesthetic standards, single-family dwellings:

  • (a) Roof overhang and pitch shall be equal to and compatible with roof overhangs and roof pitches in the neighborhood in which the home is going to be located.

  • (b) Roofing materials:

    • (1) Roofing materials shall be limited to materials and textures determined by the Zoning Administrator to be compatible with the neighborhood in which the home is going to be located; i.e., tile, rock, asphalt shingles, wood shakes and shingles;

    • (2) No shiny or reflective materials shall be permitted.

  • (c) Siding materials:

    • (1) Siding materials shall be limited to materials and textures determined by the Zoning Administrator to be compatible with the neighborhood in which the home is going to be located, i.e. stucco, wood, brick, stone or decorative concrete block, slumpstone or split face block;

    • (2) The exterior siding material shall extend to the ground;

(3) No shiny or reflective materials shall be permitted. (Prior Code § 10-70.5(e))

Section 12-4.12. Mobile homes: Surrender of registration.

  • (a) The owner of a mobile home, on the same day the certificate of occupancy is issued, shall surrender to the City the certificate of ownership, license plates or decals, and other Department of Motor Vehicles registration indicia. If any of these items are not available, the owner shall submit to the City a "statement of facts" on Department of Motor Vehicles form reg. 256 indicating, under penalty of perjury, that these items are missing or lost (Section 18551 of the state Health and Safety Code).

  • (b) When the mobile home is new and has never been registered with the Department of Motor Vehicles, the owner shall submit to the City a statement from the mobile home dealer selling the mobile home, stating that the mobile home is new and has never been registered with the Department of Motor Vehicles of the State (Section 18551 of the State Health and Safety Code).

  • (Prior Code § 10-70.5(f))

Section 12-4.13. Airport-adjacent development.

Special performance standards regarding development adjacent to or on the Santa Maria Public Airport:

  • (a) Lights must be so arranged/hooded so as not to create confusion for arriving aircraft or interfere with the observation of aircraft from the control tower at night.

  • (b) No object or structure may be erected, nor any natural growth be allowed, to penetrate any imaginary surface defined in Federal Aviation Regulation Part 77, Section 77.25.

  • (Ord. 84-1077 § 1 (Exhibit B) (A), eff. 11/1/84)

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Contents — Santa Maria Zoning Code
Santa Maria Zoning Code
  1. Title 12 — Zoning
    Overview
    1. Chapter 12-1 — GENERAL PROVISIONS
    2. Chapter 12-2 — DEFINITIONS
    3. Chapter 12-3 — DISTRICTS AND MAP
    4. Chapter 12-4 — OS OPEN SPACE DISTRICT
    5. Chapter 12-5 — RA RESIDENTIAL AGRICULTURAL DISTRICT
    6. Chapter 12-6 — R-1 SINGLE-FAMILY RESIDENTIAL DISTRICT
    7. Chapter 12 — 6A. A RSL-1 SINGLE-FAMILY SMALL LOT RESIDENTIAL D…
    8. Chapter 12-7 — R-2 MEDIUM-DENSITY RESIDENTIAL DISTRICT
    9. Chapter 12-8 — R-3 HIGH-DENSITY RESIDENTIAL DISTRICT
    10. Chapter 12-9 — RMH RESIDENTIAL MOBILE HOME PARK DISTRICT
    11. Chapter 12 — 9A. MOBILEHOME PARKS
    12. Chapter 12-10 — CPO COMMERCIAL OFFICE AND PROFESSIONAL OFFICE …
    13. Chapter 12-11 — CC CONVENIENCE CENTER DISTRICT
    14. Chapter 12-12 — C-1 CENTRAL BUSINESS DISTRICT
    15. Chapter 12-13 — C-2 GENERAL COMMERCIAL DISTRICT
    16. Chapter 12 — 13A. HC HIGHWAY COMMERCIAL DISTRICT
    17. Chapter 12-14 — FS FREEWAY SERVICE DISTRICT
    18. Chapter 12-15 — M-1 LIGHT MANUFACTURING DISTRICT
    19. Chapter 12-16 — CM COMMERCIAL/MANUFACTURING DISTRICT
    20. Chapter 12-17 — M-2 GENERAL MANUFACTURING DISTRICT
    21. Chapter 12-18 — PF PUBLIC FACILITIES AND INSTITUTIONAL DISTRICT
    22. Chapter 12-19 — SP SPECIFIC PLAN ZONING DISTRICT
    23. Chapter 12-20 — AS-I AIRPORT SERVICE I ZONE
    24. Chapter 12-21 — AS-II AIRPORT SERVICE II ZONE
    25. Chapter 12-22 — AS-III AIRPORT SERVICE III ZONE
    26. Chapter 12-23 — CZ CLEAR ZONE DISTRICT COMBINING REGULATIONS
    27. Chapter 12-24 — AA AIRPORT APPROACH DISTRICT
    28. Chapter 12-25 — PD PLANNED DEVELOPMENT OVERLAY DISTRICT
    29. Chapter 12 — 25A. H HISTORIC OVERLAY DISTRICT
    30. Chapter 12-26 — INTRUSIONS INTO YARDS
    31. Chapter 12-27 — ACCESSORY STRUCTURES
    32. Chapter 12-28 — BUILDING SITES
    33. Chapter 12 — 28A. CLEARING AND MAINTAINING VACANT BUILDING SITES
    34. Chapter 12 — 29A. LARGE FAMILY DAY CARE HOMES IN SINGLE-FAMILY…
    35. Chapter 12 — 29B. COTTAGE FOOD OPERATIONS
    36. Chapter 12-30 — MOVING BUILDINGS
    37. Chapter 12-31 — NONCONFORMING USES, STRUCTURES, LOTS AND PARKING
    38. Chapter 12-32 — OFF-STREET PARKING AND LOADING
    39. Chapter 12-33 — COMMERCIAL AND INDUSTRIAL PERFORMANCE STANDARDS
    40. Chapter 12-34 — SIGNS
    41. Chapter 12-35 — USE AND PLANNED DEVELOPMENT PERMITS
    42. Chapter 12-36 — VARIANCES
    43. Chapter 12-37 — ANNEXATION
    44. Chapter 12-38 — AMENDMENTS
    45. Chapter 12-39 — DEVELOPMENT REVIEW
    46. Chapter 12-40 — ENVIRONMENT
    47. Chapter 12-41 — INTERPRETATION AND APPEALS
    48. Chapter 12-42 — ADMINISTRATION AND ENFORCEMENT
    49. Chapter 12-43 — OUTDOOR DISPLAY OF MERCHANDISE
    50. Chapter 12-44 — LANDSCAPE STANDARDS
    51. Chapter 12-45 — REGULATION OF ADULT BUSINESSES
    52. Chapter 12-46 — RESIDENTIAL CONDOMINIUMS, STOCK COOPERATIVES, …
    53. Chapter 12-48 — DENSITY BONUS
    54. Chapter 12-49 — MIXED-USE PROJECTS
    55. Chapter 12-50 — REASONABLE ACCOMMODATION
    56. Chapter 12-51 — DEVELOPMENT AGREEMENTS
    57. Chapter 12-52 — EFFICIENCY UNIT PROJECTS
    58. Chapter 12-53 — EMERGENCY SHELTERS
    59. Chapter 12-56 — ACCESSORY DWELLING UNITS

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