19.77.050 Objective design standards for two-unit developments.
The following objective standards apply to two-unit developments:
A. The following development is permitted on the parcel:
1. Two primary dwelling units, either a duplex or two single-family homes.
2. If the parcel was not created using an urban lot split, then additionally:
a. If a duplex is constructed, then two detached ADUs or one ADU created from existing nonlivable space.
b. If one or two single-family homes are constructed, one ADU and one JADU.
B. The maximum floor area of a unit in a two-unit development shall be eight hundred square feet if the unit does not meet all development standards contained in the underlying zoning district.
C. The maximum height shall be sixteen feet from existing grade as defined by the Belvedere Municipal Code if the unit does not meet all development standards contained in the underlying zoning district.
D. A solid (no-openings) one-hour fire rated wall is required between adjacent or connected units constructed as part of a two-unit development.
E. Driveway access shall be compliant with Tiburon Fire Protection District standards.
F. All newly created dwelling units shall be connected to a public sewer or provide a private wastewater system that is fully contained within the parcel’s boundaries.
G. Newly constructed units shall be of the same architectural style, detail, color and building material as the primary dwelling unit.
H. Any new window that faces an adjoining residential property shall be either made of opaque glass and/or have a sill height above eye level. Any new doors that face an adjoining residential property shall either not include windows, or all windows must be of opaque glass.
I. All exterior lighting shall be shielded and directed downward.
J. Where visible from off-site locations, skylights shall not have white or light opaque colored exterior lenses and no lights shall be installed inside the wells of the skylights.
K. Fencing shall be consistent with the fencing requirements of Section 19.48.190.
L. Landscaping materials shall include the following:
1. Shrubs of at least one-gallon size and limited to a maximum height of eight feet on the sides and rear of the property;
2. Trees of at least fifteen-gallon size and that grow to a maximum height of twelve feet;
3. Ground cover instead of grass/turf; and
4. Decorative nonliving landscaping materials including, but not limited to, sand, stone, gravel, wood or water may be used to satisfy a maximum of twenty-five percent of the parcel. (Ord. 2022-10 § 8 (Exh. B), 2023.)