Suisun City Municipal Code Ch. 18.31 Standards for Residential Districts

Table 18.31.01 Development Standards in Residential Zones

Notes: 1 Ministerial review: Within 15 business days of receipt a determination of completeness shall be made. Within 15 business days of a resubmittal application, a determination of completeness shall be made. Within 60 days following the submittal of a complete application the city shall approve an application which meets standards. If a determination is not made within 60 days the application is deemed approved. 2 Maximum number of units: On a site with an existing multifamily structure, up to 8 units (not to exceed number of existing units on a site with a proposed multifamily structure, up to 2 units. 3 Maximum Height: 16 except for locations within ½ mile of a major transit stop, in which case the maximum height is 18 feet. However, the ADU height may be increased up to the maximum height of the existing primary dwelling if it exceeds 16 feet. 4 Parking: One space per unit or one space per bedroom, whichever is less, is required. However, no replacement parking is required if a garage, carport, or covered parking structure is demolished or converted in conjunction with an ADU application. Tandem parking is permitted and may be located within setback areas. No additional parking is required if the ADU is located: * Within one-half mile walking distance of public transit; * Within an architecturally significant and/or historic district; * Within an existing primary residence or existing accessory structure; * Within an area where off-street parking is required, but no permit is offered to the occupant of the ADU; * Within one block of a car share vehicle.

(Ord. No. 743, § 3, 3-21-2017; Ord. No. 774, § 3, 8-18-2020; Ord. No. 809, § 1, 8-20-2024; Ord. No. 825, § 1, 4-21-2026)

A. For the RM district, the following types of usable open space are recommended for multi-family units:

1. To provide access to planned or existing spaces and facilities that accommodates family needs and active play areas for kids, and/or passive open space areas (such as walking trails) within one-quarter-mile of 90 percent of the multi-family units.

2. Each multi-family unit should also have access to a combination of private open space (balconies or small patios, for example) and publicly accessible open space (common greens, community room, pool area, etc.).

B. The method of computation of usable open space provided for multi-family units should be as follows:

1. Private patios, when directly accessible to the dwelling unit to which it is appurtenant; such patios shall be completely enclosed on all sides by a fence which is a minimum of three feet in height.

2. Balconies and lanais, when directly accessible to the unit to which they are appurtenant; such balconies and lanais must have a minimum dimension of five feet.

3. Swimming pool areas, including the hard-surface deck, which normally surrounds such pools.

4. Indoor recreation activity rooms, provided these rooms are permanently maintained for the use of tenants for various recreation activities. Such activity rooms shall not include lobbies, but may include common steam rooms, sauna baths, or the like.

(Ord. No. 743, § 3, 3-21-2017)

A. For the RH1, RH2, and RMU districts, the following types of usable open space are recommended for multi-family units:

1. To provide access to planned or existing spaces and facilities that accommodates family needs and active play areas for kids, and/or passive open space areas (such as walking trails) within one-quarter-mile of 90 percent of the multi-family units.

2. Each multi-family unit should also have access to a combination of private open space (balconies or small patios, for example) and publicly accessible open space (common greens, community room, pool area, etc.)

B. The method of computation of usable open space provided should be as follows:

1. The following areas should be computed at one and one-quarter times the area actually devoted to such use:

a. Private patios, when directly accessible to the dwelling unit to which it is appurtenant; such patios shall be completely enclosed on all sides by a fence which is a minimum of five feet in height.

b. Balconies and lanais, when directly accessible to the unit to which they are appurtenant; such balconies and lanais must have a minimum dimension of five feet;

c. Swimming pool areas, including the hard-surface deck, which normally surrounds such pools.

d. Indoor recreation activity rooms provided these rooms are permanently maintained for the use of tenants for various recreation activities. Such activity rooms shall not include lobbies, but may include common steam rooms, sauna baths or the like.

(Ord. No. 743, § 3, 3-21-2017)