Earlier editions: 2026-09
Title 6 — PLANNING AND LAND USE›Part 3 — Land Use Districts›Chapter 6-7 — SINGLE-FAMILY RESIDENTIAL DISTRICTS
Lafayette Municipal Code Art. 5 Single-family Residential District-20
Lafayette Municipal Code · 2026-10 edition · updated 2026-10-04 · Lafayette
Cite as: Lafayette Municipal Code Article 5 · Text as of 2026-10-04
6-781 - General.¶
All land in the single-family residential district-20 (map symbol R-20) shall be used in accordance with the provisions of this article.
(Ord. 63 § 7 (part), 1972)
6-782 - Uses permitted.¶
The following uses are permitted in the R-20 district:
(a) A detached single-family dwelling on each lot and the accessory structures and uses normally auxiliary to it;
(b) Reserved;
(c) Reserved;
(d) The keeping of livestock, as provided in Sections 6-523 and 6-524;
(e) A home occupation;
(f) Animal farming consistent with Chapter 6-5, Article 6, "Small Farm Animals";
(g) Supportive care pursuant to Section 6-534 LMC.
(Ord. 115 § 3 (part), 1973; Ord. 63 § 7 (part), 1972)
(Ord. No. 631, § 4(exh. C), 10-27-2014; Ord. No. 635, § 4(exh. A), 10-14-2014)
6-783 - Uses requiring a permit.¶
In the R-20 district the following uses are permitted on the issuance of a land use permit:
(a) Residential businesses;
(b) Churches, religious institutions, and parochial and private schools, including nursery schools;
(c) A second unit which complies with Chapter 6-5, Article 3 of this title;
(d) Reserved.
(e) Publicly owned buildings and structures, except as provided in Section 6-516;
(f) Publicly owned parks and playgrounds;
(g) Community buildings, clubs and activities of a quasi-public, social or fraternal character; and private recreational facilities, such as golf clubs, swimming pools and tennis clubs, whether or not operated for profit;
(h) Crop and tree farming and horticulture;
(i) Small farming, including the raising of poultry or rabbits or other grain-fed rodents, exclusively for home consumption;
(j) Uses which the planning commission has found, after notice and hearing, to be comparable to the uses enumerated in this section;
(k) Multiple pet activity, but only on parcels of land 20,000 square feet in size or larger;
(l) A recreation court as required in Section 6-572.
(Ord. 541 § 2 (part), 2004; Ord. 333 § 1 (part), 1985; Ord. 300 §§ 3 (part), 4 (part), 1984; Ord. 266 § 8, 1982; Ord. 120 §§ 1 (part), 2 (part), 1973; Ord. 115 § 5 (part), 1973; Ord. 63 § 7 (part), 1972)
6-784 - Lot area.¶
No single-family dwelling or other structure permitted in the R-20 district shall be erected or placed on a lot less than 20,000 square feet in area.
(Ord. 63 § 7 (part), 1972)
6-785 - Lot width.¶
No single-family dwelling or other structure permitted in the R-20 district shall be erected or placed on a lot less than 120 feet in average width.
(Ord. 63 § 7 (part), 1972)
6-786 - Lot depth.¶
No single-family dwelling or other structure permitted in the R-20 district shall be erected or placed on a lot less than 120 feet deep.
(Ord. 63 § 7 (part), 1972)
6-787 - Height.¶
(a) No single-family dwelling or other structure permitted in this district may exceed 35 feet in height or two and one-half stories.
(b) Structures higher than 30 feet in height shall be subject to approval of the design review commission and the findings contained in Section 6-1905.
(Ord. 386 § 5 (part), 1991)
6-788 - Side yards.¶
There shall be an aggregate side yard width of at least 35 feet for any structure in the R-20 district. No side yard shall be less than 15 feet wide. These minima may be reduced to three feet for an accessory building or structure if it is set back at least 65 feet from the front property line.
(Ord. 63 § 7 (part), 1972)
6-789 - Setback.¶
There shall be a setback (front yard) of at least 25 feet for any structure in the R-20 district; on corner lots the principal frontage of the lot shall have a setback of at least 25 feet and the other setback shall be at least 20 feet.
(Ord. 63 § 7 (part), 1972)
6-790 - Rear yard.¶
There shall be a rear yard for any principal structure in the R-20 district of at least 15 feet. There shall be a rear yard for accessory structures of at least three feet.
(Ord. 63 § 7 (part), 1972)
6-791 - Parking spaces.¶
Every dwelling unit permitted in the R-20 district shall have on the same lot or parcel enough automobile storage space for at least two automobiles; each parking space shall have minimum dimensions of at least ten feet by 20 feet, either covered or open, and shall not be located within the setback or sideyard area of a principal structure.
(Ord. 63 § 7 (part), 1972)
6-792 - Parking restrictions.¶
The provisions of Section 8125 of the Contra Costa County Ordinance Code apply to the R-20 district.
(Ord. 63 § 7 (part), 1972)
6-793 - Modifiable sections.¶
Land use permits for the special uses enumerated in Section 6-783, and variance permits to modify the provisions of Sections 6-784 to 6-792, inclusive, may be granted in accordance with the applicable provisions of Chapter 6-1 of this title.
(Ord. 63 § 7 (part), 1972)
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