San Mateo County Zoning Code § 8.1100 Rh, Residential

8.1100.020 - Definitions.¶

One Family Dwellings Module

One Family Dwellings (1.1.10)

Buildings, one per parcel, containing a single dwelling unit which is intended for use by one household.

Mobilehomes (1.9.10)

Transportable buildings which are constructed on a permanent chassis and are intended to be used as dwelling units. Each structure may or may not be on a permanent foundation.

Second Dwelling Units Module

Second Dwelling Units (1.2.10)

Attached or detached rental dwelling units with kitchens, each located on the same parcel as a one family dwelling.

Residential Accessory Structures Module

Domestic Help Quarters (1.6.10)

Accessory buildings, without kitchens, which provide accommodations for persons employed on the premises by the occupants of a main dwelling unit on the same parcel.

Pool Houses and Cabanas (1.6.40)

Detached accessory structures, without kitchens, used for private dressing, bathing or recreational activities.

Guest Houses (1.6.30)

Accessory buildings, without kitchens, which provide accommodations for occasional non-paying guests of the occupants of a main dwelling unit on the same parcel.

Residential Multi-Purpose Accessory Structures (1.6.50)

Detached accessory structures, without kitchens or bathrooms, which are used for a variety of purposes including workshops, storage sheds, game rooms and greenhouses.

Satellite Dish Antennas (8.2.30)

A signal receiving device which is intended to receive television signals from satellites.

Temporary Living Facilities During Residence Construction (1.10.10)Temporary dwelling units such as mobilehomes without permanent foundations, travel trailers or recreational vehicles, which are: (1) located on a parcel of land during the construction or reconstruction of a permanent dwelling unit on the same parcel, and (2) removed prior to the granting of a Certificate of Occupancy for the permanent residence.

Residential Accessory Uses Module

Home Occupations (1.5.10)

Vocations conducted in a dwelling by a resident which are accessory uses incidental to the principal residential use of the dwelling.

Keeping of Pets (9.1.10)

The raising or maintaining of domestic animals, including birds, that are customarily kept as pets for amusement or companionship, excluding exotic animals, horses and livestock, and subject to the following limitations: (a) no more than four (4) dogs, or four (4) cats, or any combination of dogs and cats not exceeding a total of four (4) are kept per one-family dwelling unit; and (b) no more than twelve (12) of any other domestic animal, including birds, is kept per one-family dwelling unit. The number of fish, reptiles, birds and other small animals caged indoors shall not be restricted unless they create noise or odor discernable outside the dwelling, or are kept in such a manner as to constitute a nuisance.

The number of domestic poultry is subject to Chapter 8.380 of the San Mateo County Ordinance Code.

Limited Keeping of Pets

The raising or maintaining of domestic birds or animals, excluding exotic animals, horses and livestock, and subject to the following limitations: (a) no more than four (4) dogs, or four (4) cats, or any combination of dogs and cats not exceeding a total of four (4); and (b) no more than four (4) animals total of any type shall be kept per two-family dwelling unit, multiple-family dwelling unit, or lawfully permitted and occupied second unit or farm labor housing unit, or per business establishment in commercial or industrial zoning districts. The number of fish, reptiles, birds or other small animals caged indoors shall not be restricted unless they create noise or odor discernable outside the dwelling, or are kept in such a manner as to constitute a nuisance.

The number of domestic poultry is subject to Chapter 8.380 of the San Mateo County Ordinance Code.

Animal Fanciers

A person, business or entity who keeps at least five (5) dogs, or five (5) cats, or any combination of dogs and cats which totals five (5), not to exceed ten (10) dogs, or ten (10) cats, or any combination of dogs and cats which totals ten (10) per one-family dwelling unit.

Urban Residential Animal Keeping Module

Catteries

A place for the breeding, raising, keeping, boarding or other handling of more than ten (10) cats per dwelling unit or per business establishment. Ancillary activities that may be conducted in association with the keeping of animals at catteries include, but are not limited to, grooming, training, and sales of animals and supplies.

Kennels

A place for the breeding, raising, keeping, boarding or other handling of more than ten (10) dogs, or more than ten (10) dogs and cats per dwelling unit or per business establishment. Ancillary activities that may be conducted in association with the keeping of animals at kennels include, but are not limited to, grooming, training, and sales of animals and supplies.

Urban Keeping Of Horses

The Keeping of Horses (9.1.50)

The raising or maintaining of horses with associated accessory structures such as stables or corrals.

Small Hostelries Module

Small Hostelries (1.7.10)

Facilities that rent five (5) or fewer rooms for the overnight accommodation of paying guests including, but not limited to, rooming houses, boarding houses, tourist homes, country inns, small motels and hotels, and bed and breakfast establishments.

Residential Community Care Facilities Module

Residential Full-Time Care Facilities for Children (1.8.12)

Dwelling units in which 24-hour non-medical care and supervision are provided in a licensee’s family residence for not more than six (6) children who may or may not have special needs or disabilities.

Residential Foster Family Homes (1.8.13)

Dwelling units in which 24-hour non-medical care and supervision are provided in a family setting in a licensee’s family residence for not more than six (6) foster children, exclusive of licensee’s family members.

Residential Day Care Facilities for Adults (1.8.21)

Dwelling units in which non-medical care and supervision are provided to no more than six (6) adults on less than a 24-hour per day basis.

Residential Full-Time Care Facilities for Adults (1.8.22)

Dwellings units in which 24-hour a day non-medical care and supervision are provided to no more than six (6) adults.

Residential Rehabilitation Facilities (1.8.23)

Dwelling units in which 24-hour a day non-medical care and supervision are provided in a group setting to no more than six (6) adults and/or emancipated minors recovering from drug or alcohol misuse.

Residential Day Care Facilities for the Elderly (1.8.31)

Dwellings units in which non-medical care and supervision are provided to no more than six (6) elderly adults, age 62 and over, on less than a 24-hour per day basis.

Residential Shared Housing Facilities for the Elderly (1.8.32)

Group housing arrangements for no more than six (6) adults chosen voluntarily by residents who are 62 years of age or older, and who are provided varying levels of supportive services or non-medical care as agreed upon at the time of admission, based upon varying needs.

Neighborhood Institutional Facilities Module

Elementary and Secondary Schools (5.1.10)

Public or private educational facilities and associated grounds used for academic instruction below the collegiate level.

Religious Facilities (5.2.10)

Facilities or meeting places used for worship and religious instruction including churches, synagogues, mosques and temples.

Club and Organization Meeting Facilities (5.3.60)

Facilities used for gatherings of groups primarily for social or political purposes including, but not limited to, social and fraternal clubs and lodges, union halls and philanthropic and charitable institutions.

Institutional Full-Time Care Facilities for Children (5.4.12)

Facilities not in a dwelling unit which provide 24-hour a day non-medical care and supervision to children, who may or may not have special needs or disabilities, in a structured environment with services provided at least in part by employed staff of a licensee.

Skilled Nursing Facilities (5.5.21)

Facilities providing 24-hour a day intensive nursing care and supportive health care to inpatients requiring care over a prolonged period of time.

Intermediate Care Facilities (5.5.22)

Facilities providing basic health care to inpatients who have intermittent, though not continuous, need for skilled nursing care but need continuous 24-hour a day supportive health care and skilled nursing supervision.

Fire Stations (5.7.20)

Facilities used for fire fighting services, sometimes including associated paramedic services.

Cemeteries (5.8.10)

Facilities used for the burial of human and pet remains, usually outside.

Park Module

Parks (7.2.70)

Spacious areas of scenic and natural character where outdoor active recreation opportunities and facilities may be provided for public convenience and enjoyment, and within which special natural areas, geologic exhibits or historic places can be set aside.

Linear Parks and Trails (7.3.30)

Linear strips of land established for the purposes of walking, hiking, bicycling, horseback riding and boating, and comprising a natural or man-made linear resource such as stream drainage, bluff line, ridge, utility right-of-way, or service road.

Outdoor Sports And Golf Facilities Module

Outdoor Sports Facilities (7.2.10)

Outdoor facilities, associated grounds and accessory structures used for active recreation including swimming clubs, tennis clubs, playing fields or similar uses.

Golf Courses and Clubs (7.2.31)

Facilities comprising large tracts of land and associated accessory structures laid out for the game of golf including incidental driving range facilities.

Neighborhood Solid Waste Recycling Facilities Module

Small Solid Waste Collection Facilities (4.1.41)

Facilities, 500 sq. ft. or less in area, where discarded glass, paper or clothes or other recyclable materials are bought and/or collected including, but not limited to, containers, igloos, bins, groups of reverse vending machines and mobile units.

(Prior Code § 6801.5; Ord 3038 – 06/18/85)

(Prior Code § 6801 (9.1.10); Ord 4511 – 07/27/10)

(Prior Code § 6801.11, 6801.12, 6801.13, 6801.14, 6801.15, 6801.16; Ord 3447 – 12/16/92)

(Prior Code § 6801.18; Ord 3791 – 10/21/97) (Prior Code § 6801.18; Ord 4844 – 05/04/21) (Prior Code § 6801.29; Ord 4844 – 05/04/21)

Exceptions & meaning →