Chapter 17.20
R-4 OR MULTIPLE-FAMILY RESIDENTIAL DISTRICT*

Sections:

17.20.010    Generally.

17.20.020    Permitted uses.

17.20.030    Conditional uses.

17.20.040    Open space, common and private.

17.20.050    Accessory buildings, structures and uses.

17.20.060    Building height.

17.20.070    Minimum building site area.

17.20.075    Residential density limitations.

17.20.080    Site width.

17.20.090    Site depth.

17.20.100    Site coverage.

17.20.110    Front yard.

17.20.120    Side yard.

17.20.130    Rear yard.

17.20.140    Special yards.

17.20.150    Parking.

17.20.160    Inclusionary housing requirement.

17.20.170    Density bonuses.

17.20.180    Special regulations.

17.20.190    Alternative regulations for small lot single-family dwellings.

*    Prior ordinance history: Ords. 77-10, 83-11, 87-4, 93-6, 2000-13, 2002-03, 2003-09, 2004-10, 2004-13 and zoning ordinance dated 7/94.

17.20.010 Generally.

The regulations in this chapter shall apply in all R-4 districts and shall be subject to the provisions of Chapter 17.06. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.020 Permitted uses.

Uses permitted in the R-4 districts shall be as follows:

A.    Single-family dwellings constructed prior to January 1, 2005;

B.    Multiple dwellings and dwelling groups not exceeding twenty-five units per acre;

C.    One guest house or secondary dwelling pursuant to the provisions of Section 17.06.040;

D.    Small residential care homes;

E.    Large family day care homes and day care centers pursuant to Section 17.06.135;

F.    Home occupations pursuant to Section 17.06.110;

G.    Transitional housing pursuant to Section 17.04.711;

H.    Supportive housing pursuant to Section 17.04.698;

I.    Emergency shelters pursuant to Section 17.04.292;

J.    Other uses accessory and incidental to residential use pursuant to Section 17.20.050, including, but not limited to:

1.    Small family day care and foster home care,

2.    Rooming and boarding of not more than two persons,

3.    On-site property management, and

4.    The keeping of not more than two cats and/or dogs per unit. (Ord. 2011-03 § 5(a), 2011: Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.030 Conditional uses.

Uses permitted, subject to first securing a use permit in each case, in the R-4 districts shall be as follows:

A.    Single-room occupancy housing;

B.    Extended care medical facilities, including convalescent homes and other skilled nursing facilities;

C.    Public and quasi-public buildings and uses including churches, firehouses, parks and playgrounds, community or recreational centers, schools (public and parochial) or schools accredited the state school system, and public utility buildings and uses exclusive of corporate, storage or repair yards;

D.    Mobile home parks pursuant to Section 17.06.050;

E.    Multiple dwellings and dwelling groups exceeding a density of twenty-five units per acre;

F.    Condominium and/or planned development projects subject to the provisions of Chapter 17.54;

G.    Single-family dwellings subject to compliance with the provisions of Section 17.20.190 of this chapter; and

H.    Large residential care homes or facilities. (Ord. 2011-03 § 5(b), 2011; Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.040 Open space, common and private.

A.    Total Open Space Required. The minimum area of open space required for multiple-family dwellings or three or more single-family dwellings on a building site in the R-4 district shall be three hundred square feet per efficiency apartment three hundred fifty square feet per one-bedroom unit, and fifty additional square feet for each additional bedroom. A portion or all of the required usable open space shall be private as provided by this section; otherwise it shall be shared in common.

B.    Private Open Space. A minimum of eighty square feet for ground floor units and forty square feet for units located on second levels and above. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.050 Accessory buildings, structures and uses.

Accessory buildings not intended for living purposes and accessory structures and uses permitted in the R-4 districts shall be on the same building site with, and of a nature customarily incidental and subordinate to, the principal use, structure or building including, but not limited to:

A.    Portable recreation structures;

B.    Detached sheds, garages, workrooms, and other outbuildings, in compliance with the limitations contained in Section 17.06.070 of the zoning ordinance;

C.    Non-portable recreation structures located in a yard area screened from public and private streets. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.060 Building height.

Maximum building height limit in the R-4 districts shall be forty-two feet and three stories. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.070 Minimum building site area.

Building site area required in the R-4 districts shall be six thousand square feet. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.075 Residential density limitations.

A.    Minimum density requirement: fifteen units per acre for any residential dwellings constructed after January 1, 2005.

B.    Maximum density limitation: thirty-five units per acre for conditionally permitted residential uses.

C.    A maximum of forty-three units or bedrooms per acre for boarding houses and single-room occupancy dwellings and for affordable senior multiple dwellings developed pursuant to Chapter 17.19. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.080 Site width.

Average building site width required in the R-4 districts shall be sixty feet. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.090 Site depth.

Maximum building site depth permitted in the R-4 districts shall average not to exceed three times building site width. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.100 Site coverage.

Percentage of building site coverage permitted in the R-4 districts shall be sixty percent. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.110 Front yard.

Minimum front yard required in the R-4 districts shall be twelve feet. The front yard shall be measured from the front property line or the edge of easement for private roadway whichever is less. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.120 Side yard.

Minimum side yard required in the R-4 districts shall be five feet except where the side yard abuts a street or any site in the R-1 or R-2 district. The minimum side yard abutting a street shall be twelve feet. For sites abutting any R-1 or R-2 district, the setback shall be increased an additional five feet for each story above two stories. The side yard shall be measured from the side property line or the edge of easement for private roadway whichever is less. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.130 Rear yard.

Minimum rear yard required in the R-4 districts shall be ten feet except where the rear yards abuts any lot in the R-1 or R-2 district in which case the required rear yard shall be twenty feet. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.140 Special yards.

Special yards required for dwelling groups in the R-4 districts shall be as follows:

A.    In case the buildings of the group are so located on the lot that the rears thereof abut upon one side yard and the fronts thereof abut upon the other side (i.e., in a single row “side to side” series), the side yard providing pedestrian access shall have a width of not less than twelve feet;

B.    No building in any group shall be so located on the lot that the rear thereof abuts on any street line;

C.    Distances required between buildings on the same lot and as yards and courts for dwelling groups shall be increased by two feet for each story that the height of any building or dwelling group exceeds two stories. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.150 Parking.

See Section 17.44.020. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.160 Inclusionary housing requirement.

Inclusionary housing in conformance with the Marina General Plan Housing Element and the Marina Municipal Code shall be provided for all residential developments or projects, including condominium conversions, with at least twenty dwelling units. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.170 Density bonuses.

Density bonuses may be requested pursuant to Sections 65915 through 65918 of the California Government Code and in conformance with the Marina General Plan Housing Element and the Marina Municipal Code. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.180 Special regulations.

A.    Minimum Requirement for Larger Units. In multiple-family residential developments of at least ten units, exclusive of dwellings for seniors, at least forty percent of the total number of multiple-family units shall consist of two or more bedrooms. In addition, at least ten percent of the total number of multiple dwelling units shall have at least three bedrooms. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)

17.20.190 Alternative regulations for small lot single-family dwellings.

Alternative regulations for single-family dwellings allowed by use permit pursuant to Section 17.20.030(G) of this chapter shall comply with the following:

A.    Building site area shall be a minimum of two thousand square feet and said minimum site area shall exclude any portion of the lot which is narrower than the minimum site width as specified by subsection B of this section.

B.    Site width shall be a minimum of forty feet where two side by side parking spaces are provided on the building site with access from the front of building site, twenty-five feet where two tandem parking spaces are provided on the building site with access from the front of building site, and twenty feet where parking spaces are provided on the building site with access from the rear of the building site, i.e., from an alley or a private roadway. The minimum width specified herein shall not apply to that portion of the building site used principally to provide access to the buildable portion of the site. The required minimum lot width for a corner lot shall be increased to accommodate the required twelve-foot setback from the side lot line abutting a street without reducing the buildable width of the site that would otherwise be available for an interior lot, but in no case shall be less than thirty-two feet.

C.    Site depth shall be a maximum of one hundred twenty feet and a minimum of sixty-five feet excluding area located within a roadway easement.

D.    Side yard not abutting a street shall be minimum of three feet except that such side yards may be completely eliminated where agreement provides for common wall maintenance or easement allows for access to abutting property for necessary maintenance. Side yard abutting a street shall be a minimum of twelve feet.

E.    Private open space shall be provided at the rate of ten percent of each dwelling’s habitable floor area or one hundred twenty square feet, whichever is greater, on patios, decks, balconies, atriums or other outdoor private areas contiguous with and directly accessible from the unit, with a minimum width of six feet and at least one dimension of not less than ten feet. Developments approved pursuant to Section 17.20.190 prior to the effective date of the ordinance codified in this chapter shall be considered conforming to this section.

F.    The minimum building site area or the minimum site width in subsections A and B, respectively, of this section shall be increased as determined necessary by the advisory agency or the city council to compensate for any loss in usability of the building site due to topography or easements within the boundary of the building site. (Ord. 2006-03 § 1 (Exh. A (part)), 2006)