Title 8 — ZONING & DEVELOPMENT CODE

Chapter 8.12 — RE, RESIDENTIAL ESTATES

San Mateo County Zoning Code · 2026-06 edition · ingested 2026-07-06 · San Mateo County

8.12.010 - Regulations for the “R-E” Districts.

The following regulations shall apply in all “R-E” Districts and shall be subject to all applicable provisions of Article 2 (Development Procedures) and Article 3 (General Development Standards) of Title 8.

8.12.020 - Uses Permitted.

  • (a) One-family dwellings.

  • (b) Public parks and playgrounds.

  • (c) Crop and tree farming and truck gardening.

  • (d) Home occupations.

  • (e) Accessory buildings and accessory uses, including servants’ quarters and one non-commercial guest house, provided, however, that such accessory buildings shall not be constructed until the main building shall have been constructed.

  • (f) Nurseries and greenhouses used only for the propagating and cultivating of plants, provided that no retail sale be allowed.

  • (g) (1) Keeping of pets in association with a one-family dwelling.

    • (2) Limited keeping of pets in association with a second unit.

(3) On parcels of at least 2,500 sq. ft. in size, and in compliance with the conditions set forth in Chapter 8.380 of the San Mateo County Development Code, the keeping of no more than six (6) of the following domestic poultry: chicken and ducks. Roosters are prohibited.

On parcel sizes exceeding 7,500 sq. ft., and in compliance with the conditions set forth in Chapter 8.380 of the San Mateo County Development Code, the keeping of no more than ten (10) of the following domestic poultry: chickens and ducks. Roosters are prohibited.

  • (h) (1) Animal Fanciers in association with a one-family dwelling, subject to an animal fanciers’ permit issued in accordance with County Ordinance Code, Title 6, Section 6.16.

(2) Catteries in association with a one-family dwelling, subject to a kennel/cattery permit issued in accordance with County Ordinance Code, Title 6, Section 6.20.

  • i) The following uses subject to securing a use permit in each case:

    • (1) Schools, libraries, fire stations, churches, and keeping of confined animals.

    • (2) Golf courses with standard length fairways, and other non-commercial clubs.

(Prior Code § 6151(g); Ord 3422 – 11/10/92)

(Prior Code § 6151(g)(3) Ord 4511 – 07/27/10)

(Prior Code § 6151(h); Ord 3422 – 11/10/92)

(Prior Code § 6151(i); Ord 3791 – 10/21/97)

(Prior Code § 6151(i); Ord 3791 – 10/21/97)

(Prior Code § 6151(i); Ord 4844 – 05/04/21)

(Prior Code § 6151(j); Ord 4075 –11/06/01)

8.12.030 Second Dwelling Units.

See Chapter 8.392 for provisions to allow second dwelling units to locate in the R-E Zoning District.

(Prior Code § 6152, 6153, 6154; Ord 1483 – 10/10/61)

(Prior Code § 6152; Ord 3038 – 06/18/85