Chapter 18.12 R-1 SINGLE-FAMILY RESIDENTIAL DISTRICT*

* Editor's Note: This chapter was revised in its entirety by Ordinance 4869. Ordinances formerly codified in this chapter, and not specifically repealed by adoption of Ordinance 4869, include Ords. 3048, 3064, 3070, 3130, 3255, 3291, 3345, 3378, 3465, 3475, 3489, 3536, 3577, 3583, 3662, 3683, 3735, 3741, 3850, 3861, 3905, 4016, 4043, 4081, 4140, 4642, 4643, 4716, 4794 and 4826.

18.12.010 Purposes

Provisions related to the single-family residential (R-1) district, four residential R-1 subdistricts, and the single-story (S) combining district are outlined in this chapter. Requirements for the R-E, R-2 and RMD are included in Chapter 18.10. The specific purposes of each residential district are stated below:

(a) Single Family Residential District [R-1]

The R-1 single family residential district is intended to create, preserve, and enhance areas suitable for detached dwellings with a strong presence of nature and with open area affording maximum privacy and opportunities for outdoor living and children’s play. Minimum site area requirements are established to create and preserve variety among neighborhoods, to provide adequate open area, and to encourage quality design. Accessory dwelling units, junior accessory dwelling units and accessory structures or buildings are appropriate. Community uses and facilities, such as churches and schools, should be limited unless no net loss of housing would result.

(b) Special Residential Building Site R-1 Subdistricts (7,000), (8,000), (10,000), (20,000)1

The special residential building site R-1 subdistricts are intended to modify the site development regulations of the R-1 single family residence district, where applied in combination with the R-1 district, to create and maintain single-family living areas of varying site size and development characteristics, to reflect and preserve the character of existing neighborhoods.

1. Subdistricts may be reflected on the Zoning Map as R-1(650), R-1(743), R-1(929) and R-1(1,858), respectively, reflecting the minimum lot size in square meters rather than in square feet.

The single-story height combining district is intended to modify the site development regulations of the R-1 single-family residence district, to preserve and maintain single-family living areas of predominantly single-story character. An area proposed for a single story combining district should be of a prevailing single story character, thus limiting the number of structures rendered noncomplying by the (S) combining district. It is intended that neighborhoods currently subject to single story deed restrictions be developed in a manner consistent with those deed restrictions. Furthermore, it is desirable that homes be similar in age, design and character, ensuring that residents of an area proposed for rezoning possess like desires for neighborhood preservation and face common home remodeling constraints.

(Ord. 5412 § 11, 2017: Ord. 4869 § 14 (Exh. A [part]), 2005)

18.12.020 Applicable Regulations

The specific regulations of this chapter and the additional regulations and procedures established by Chapters 18.52 to 18.80 inclusive shall apply to the R-1 district including the R-1 subdistricts. Such regulations shall apply to construction of two units on an R1-zoned lot pursuant to California Government Code Section 65852.21 (SB 9), except as modified by Section 18.42.180.

(Ord. 5587 § 8, 2023: Ord. 5542 § 7, 2022: Ord. 5538 § 7, 2021: Ord. 4869 § 14 (Exh. A [part]), 2005)

18.12.030 Land Uses

The permitted and conditionally permitted uses for the single family residential districts are shown in Table 1:

Table 1

PERMITTED AND CONDITIONAL R-1 RESIDENTIAL USES

	R-1 and all R-1 Subdistricts	Subject to Regulations in:
ACCESSORY AND SUPPORT USES
Accessory facilities and uses customarily incidental to permitted uses with no more than two plumbing fixtures and no kitchen facility, or of a size less than or equal to 200 square feet	P	18.04.030(a)(3) 18.12.080
Accessory facilities and uses customarily incidental to permitted uses with more than two plumbing fixtures (but with no kitchen), and in excess of 200 square feet in size, but excluding second dwelling units	CUP	18.12.080
Home occupations, when accessory to permitted residential uses	P	18.42.060
Horticulture, gardening, and growing of food products for consumption by occupants of the site	P
Accessory Dwelling Units	P(1)	18.09
Junior Accessory Dwelling Unit	P(1)	18.09
Safe Parking		18.42.160
EDUCATIONAL, RELIGIOUS AND ASSEMBLY USES
Private Educational Facilities	CUP
Churches and Religious Institutions	CUP
PUBLIC/QUASI PUBLIC USES
Community Centers	CUP
Utility Facilities essential to provision of utility services to the neighborhood, but excluding business offices, construction or storage yards, maintenance facilities, or corporation yards	CUP
RECREATlON USES
Outdoor Recreation Services	CUP
RESIDENTIAL USES
Single-Family	P
Two-Family use, under one ownership	P	18.42.180
Mobile Homes	P	18.42.100
Multiple-Family	P(2)	18.14.020
Residential Care Homes	P
SERVICE USES
Day Care Centers	CUP
Small Adult Day Care Homes	P
Large Adult Day Care Homes	CUP
Small Family Day Care Homes	P
Large Family Day Care Homes	P
P = Permitted Use CUP = Conditional Use Permit Required

(1) An Accessory Dwelling Unit or a Junior Accessory Dwelling Unit associated with a single-family residence on a lot is permitted, subject to the provisions of Chapter 18.09.

(2) Housing Element opportunity sites (faith-based institutions) only.

(Ord. 5587 § 9, 2023: Ord. 5574 § 4, 2023: Ord. 5542 § 8, 2022: Ord. 5538 § 8, 2021: Ord. 5490 § 2, 2020: Ord. 5412 § 12, 2017: Ord. 4869 § 14 (Exh. A [part]), 2005: Ord. 5608 § 3, 2024)

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