Santa Ana Municipal Code § 41-237 Minimum lot size and street frontage in the R1 district

R1 (single-family residence) districts are specifically subject to the regulations contained in this division, except that nonresidential uses allowed pursuant to section 41-232.5 are subject to the design and development standards set forth in Division 12 of this article for the C1 (Community Commercial) district.

(Code 1952, § 9230.40; Ord. No. NS-455, § 1, 6-20-60; Ord. No. NS-2111, § 4, 4-1-91)

The following uses are permitted in the R1 district:

(a) One (1) one-family dwelling with six (6) or fewer bedrooms.

(b) Private greenhouses and horticultural collections for domestic noncommercial use, flower and vegetable gardens, fruit trees and any agricultural crop.

(c) One (1) temporary real estate office devoted to the sale of real estate in the tract in which it is located, which use shall be for a period of time not to exceed one (1) year.

(d) Accessory buildings and structures, except as otherwise provided in section 41-232.5.

(e) Reserved.

(f) Adult day care facilities providing care to not more than six (6) adults.

(Code 1952, § 9230.41; Ord. No. NS-455, § 1, 6-20-60; Ord. No. NS-635, § 4, 3-4-63; Ord. No. NS-988, § 2, 11-17-69; Ord. No. NS-1110, § 1, 3-20-72; Ord. No. NS-1230, § 1, 2-18-75; Ord. No. NS-1297, § 3, 2-17-76; Ord. No. NS-1719, § 1, 3-19-84; Ord. No. NS-1732, § 9, 6-25-84; Ord. No. NS-2111, § 5, 4-1-91; Ord. No. NS-2446, § 8, 9-18-00; Ord. No. NS-2710, § 14, 5-1-06; Ord. No. NS-3038, § 13, 2-7-23)

The following uses may be permitted in the R1 district subject to the issuance of a conditional use permit:

(a) Churches and accessory church buildings.

(b) Public schools, colleges and universities which may include on the campus: Dormitories, libraries, museums, university union buildings and art galleries, which are owned and operated by the university.

(c) Private schools and colleges except said private schools and colleges shall not include trade schools or business colleges.

(d) Public buildings and public utility buildings and structures, including electric distribution and transmission substations.

(e) Golf courses, excluding miniature golf courses, pitch and putt courses and driving ranges.

(f) Child care facilities caring for more than fourteen (14) children.

(g) Neighborhood and community service centers.

(h) Garages for more than four (4) vehicles.

(i) Accessory buildings more than fifteen (15) feet in height or more than one (1) story.

(j) Adult day care facilities ancillary to a church or school providing care to more than six (6) adults.

(k) One (1) one-family dwelling with seven (7) or more bedrooms.

(Ord. No. NS-1732, § 10, 6-25-84; Ord. No. NS-2111, § 6, 4-1-91; Ord. No. NS-2446, § 9, 9-18-00; Ord. No. NS-2710, § 15, 5-1-06)

No primary structure shall exceed twenty-seven (27) feet nor two (2) stories in height, as measured from the lowest adjacent grade of the structure to the top of the structure.

(Code 1952, § 9280.42; Ord. No. NS-455, § 1, 6-20-60; Ord. No. NS-533, § 3, 12-4-61; Ord. No. NS-2111, § 7, 4-1-91)

The front yard shall be equal to the prevailing front yard setback of the block as described in subsection 41-603(b), but not less than twenty (20) feet.

(Code 1952, § 9230.43; Ord. No. NS-455, § 1, 6-20-60; Ord. No. NS-2710, § 16, 5-1-06)

(a) Each side yard shall be not less than five (5) feet for each building.

(b) On corner lots, the side yard on the street side shall be not less than ten (10) feet for each building.

(c) The restrictions on nonconforming buildings set forth in article VI of this chapter shall not apply to buildings which are nonconforming solely for the reason that they do not have side yards satisfying the setback requirement set forth in subsection (a) and provided the side yards of such building are at least three (3) feet wide.

(Code 1952, § 9230.44; Ord. No. NS-455, § 1, 6-20-60; Ord. No. NS-2111, § 8, 4-1-91; Ord. No. NS-2710, § 17, 5-1-06)

There shall be a rear yard setback of not less than twenty (20) feet. This section shall not apply to permitted accessory dwelling units.

(Code 1952, § 9230.45; Ord. No. NS-455, § 1, 6-20-60; Ord. No. NS-2111, § 9, 4-1-91; Ord. No. NS-2710, § 18, 5-1-06; Ord. No. NS-2940, § 6, 4-3-18)

(a) The minimum size of lots in the R1 district is six thousand (6,000) square feet.

(b) The minimum street frontage of lots in the R1 district, measured from the back of the front yard setback, is fifty (50) feet.

(c) Lots which have resulted from a legal subdivision but which do not meet the standards set in subsections (a) and (b) of this section may be developed with single-family dwellings, provided they have at least four thousand (4,000) square feet of area and at least forty (40) feet of street frontage.

(Code 1952, § 9230.46; Ord. No. NS-455, § 1, 6-20-60; Ord. No. NS-2111, § 10, 4-1-91)

No more than thirty-five (35) per cent of a lot in the R1 district shall be covered by structures.

(Ord. No. NS-2111, § 11, 4-1-91; Ord. No. NS-2710, § 19, 5-1-06)

Lots in the R1 district shall comply with the following standards:

(a) Front and street oriented side yards shall be landscaped with the exception of approved driveways and sidewalks.

(b) Side yards shall be completely landscaped, except a walkway or driveway may encroach into required side yard.

(c) Driveways shall lead to a garage and not exceed the width of such garage or fifty (50) percent of the lot width at the street, whichever is less. There shall be no parking of vehicles in the front yard except in such driveways.

(d) Garages facing the street shall occupy no more than fifty (50) percent of the lot width.

(e) Porte-cocheres shall be architecturally integrated with the structure and may encroach up to the side property line located on a driveway that leads to the garage. A two-car garage must be provided prior to approval of a porte-cochere.

(1) A porte-cochere shall not exceed twenty-five (25) feet in length.

(2) Porte-cocheres shall comply with the setbacks established for the building it is attached to, except that the side yard setback may be reduced to three (3) feet. On corner lots the side yard setback on the street side shall be no less than ten (10) feet.

(f) Accessory buildings shall not exceed thirty-five (35) percent of the required rear yard area. This subsection shall not apply to accessory dwelling units.

(g) An accessory building shall be not less than five (5) feet from a main building.

(h) Maximum square footage of accessory building shall not exceed fifty (50) percent of the main structure square footage. Required detached garages may exceed fifty (50) percent of the main structure square footage, but shall not exceed four hundred forty (440) square feet for a two-car garage, six hundred forty (640) square feet for a required three-car garage and eight hundred forty (840) square feet for a required four-car garage.

(Ord. No. NS-2111, § 12, 4-1-91; Ord. No. NS-2710, § 20, 5-1-06; Ord. No. NS-2986, § 5, 4-7-20)

In the R1 district, all yards shall be landscaped. Each residential unit shall meet the following minimum requirements:

(a) Front yard:

(1) One 24-inch box canopy tree.

(2) All trees shall be double-staked.

(3) Six (6) five-gallon size shrubs and ten (10) one-gallon size herbaceous perennials/shrubs as a foundation planting.

(4) Turf or acceptable dry climate ground cover:

a. Turf shall be drought tolerant variety and planted as sod or hydroseed.

b. Ground cover shall be well-rooted cuttings from flats and planted at appropriate spacing for that particular plant material.

(b) Side yard: Corner lots shall require one (1) 15-gallon size tree for every thirty (30) linear feet of property abutting a street, plus six (6) five-gallon size shrubs as a foundation planting. Root barriers shall be required on all trees planted along the street oriented yards.

(c) Project perimeter walls:

(1) Flowering vines shall be secured to a decorative masonry wall or wood fence material.

(2) The vines shall be five-gallon size and be planted at 20-foot intervals. They shall be secured to the walls with eye hooks and wire.

(3) Espaliered shrubs, fruit trees, or other ornamental trees may be substituted for the flowering vines.

(d) Irrigation system:

(1) All planting areas must be designed with an automatic irrigation system. A pop-up sprinkler type irrigation system shall be provided for all yards for each residential unit. Drip, bubbler, or other low gallonage systems may be used in buffer areas and narrow strips.

(2) The use of "xeriphytic" or dry climate type plant materials is encouraged. Irrigation systems may require special fittings to properly water dry climate plantings.

(3) All irrigation systems shall be equipped with a controller capable of dual or multiple station programming.

(e) Screening:

(1) All meters shall be appropriately screened from public view with trellis work and vines or a hedge type shrub or they shall be incorporated into the residential structure.

(2) Any enclosed structure for utilities must not encroach into any required setback.

(f) Maintenance: All plant material shall be maintained per section 41-609 of this chapter.

(g) [Compliance with article XVI:] Landscaping shall be installed and maintained in compliance with article XVI of this chapter, pertaining to water conservation.

(Ord. No. NS-2111, § 13, 4-1-91; Ord. No. NS-2801, § 3, 12-23-09)