§ 8119-1.4.10. Accessory Dwellings (and other habitable structures).

Accessory dwellings share the lot with a single-family dwelling (or other principal use ), and shall be smaller than the principal dwelling and located at the rear of the lot (see Table 1.3.3(a)) in one (1) of the following configurations:

a.

Accessory Dwellings: These types of dwellings include, but are not limited to, Accessory Dwelling Units (ADUs) in the R/MU and RES zones, and live/workunits, Caretakers Dwelling units, or units for Superintendent or Owner (as permitted by Sec. 8119-1.2) in the TC, R/MU and IND zones. These units include bathing facilities (i.e., shower or bathtub) or a kitchen, or both, and can be attached to the principal dwelling or a garage, but cannot have internal access to the principal dwelling or garage. Apply Sec. 8107-1.7 for all other requirements (with the exception of minimum lot requirement).

A habitable Accessory Dwelling Type configured as an accessory dwelling unit on top of a garage, detached from the primary building.

b.

Other habitable accessory structures: An attached or detached habitable dwelling located above or beside a non-habitable accessory building (such as garage, or storage shed). Uses for these structures include, but are not limited to, artists' studios, workshops and workout rooms. This type of structure shall not include bathing facilities or kitchens, and has no internal access to the principal use. Habitable accessory structures are not intended as dwelling units.
Multiple habitable accessory structures are allowed on one (1) lot (but can include only one (1) accessory dwelling unit). All structures shall comply with all pertaining zone standards (setbacks, lot coverage, etc.). All Accessory Buildings shall meet the standards listed in Table 1.4.10.

Illustrative Photo of a habitable Accessory Dwelling unit located over a garage (a two-story configuration).

TABLE 1.4.10. ACCESSORY DWELLINGS (AND OTHER HABITABLE STRUCTURES)
STANDARD	ZONE
	TC	R/MU	RES	IND
1. LOT SIZE
A. Width	50 ft. min.
B. Depth	100 ft. min.
C. Min. Lot Size (SF)	As determined by the PD or CUP for the use on site		8,000 SF min. (for Accessory Dwelling Unit only)	As determined by the PD or CUP for the use on site
2. BUILDING SIZE AND MASSING
A. Height (max.)	1 story / 15 ft.	1 story / 15 ft.	2 stories / 25 ft.; 1 story / 15 ft.	1 story / 15 ft.
B. Length along alley	30 ft. max.	n/a	30 ft. max.	n/a
C. Length along side yard	20 ft. max.
D. Building and Unit size for Accessory Dwelling Units (SF) 1, 2	Caretakers, and Superintendent/Owners: 700 SF max. building footprint; Dwelling size: 400 SF min. to 700 SF max		Accessory Dwelling Unit (ADU) : 700 SF max. building footprint (for detached ADUs only); Dwelling size: 1,200 SF max	Same as TC and R/MU
3. PEDESTRIAN ACCESS FROM PRIMARY OR SIDE STREET
A. Internal lots	Side yard connected to a Primary Street; or rear yard connected to an alley	Side yard connected to a Primary Street	Side yard connected to a Primary Street; or rear yard connected to an alley	Side yard connected to a Primary Street
B. Corner lots	From Side street, required
4. PARKING ACCESS
A. Lot with alley	From alley	n/a	From alley	n/a
B. Corner lot without alley	Min. 12 ft. wide driveway connected to a Side Street
C. Internal lot without alley	Min. 12 ft. wide driveway connected to a Primary Street, located as close to side yard property line as possible.
5. PARKING TYPE
A. Type	Surface lot, garage, carport, or open
6. OPEN SPACE AND LANDSCAPE
A. Side Street Setbacks	Landscaping required in Side Street setback
B. Private Open Space	n/a		• Ground floor units: Rear/side yard; min. size: 80 SF. • Balcony (for 2nd story unit only): min. size: 40 SF with min. dimensions 5 ft. × 8 ft.	n/a
C. Common Open Space	10 ft. min. width along rear or side yard facing accessory structure
7. FRONTAGE
A. Ground Floor	No frontage type required (may include Stoop in RES zone. See Sec. 8119-1.5.4 ); Street- and alley-facing windows required.
B. Upper Floors	Street- and alley-facing windows required

 

[1] Refers to Gross Floor Area.

[2] Multiple accessory structures are allowed on one (1) lot, but shall not exceed a cumulative gross floor area of 2,000 SF. This may include a combination of structures identified in Sec. 8119-1.4.10(b) and Sec. 8119-1.4.11. Only one (1) Accessory Dwelling Unit can be accommodated per lot (see max. size of Accessory Dwellings in 2.D. in Table 1.4.10 above).

[3] Other than the specific provisions for ADUs listed in Sec. 8119-1.3.2, Sec. 8119-1.3.3 and Sec. 8119-1.4.10, all other standards regulating ADUs listed in Sec. 8107-1.7 shall apply. An Accessory Dwelling Unit is allowed on a Residential parcel with a Single-Family home only if the lot size is eight thousand (8,000) SF or more.

[4] Driveway standards may be adjusted as per requirements of the Ventura County Fire Prevention District.

(Ord. No. 4479, § 8(App. B), 9-22-2015; Ord. No. 4519, § 9, 2-27-2018)