REPORT TO DEVELOPMENT REVIEW HEARING
SUBJECT
Title
Action on the proposed 283 square feet attached Accessory Dwelling Unit (ADU) at 3080 Atherton Drive
Report
File No.(s): PLN2021-14991
Location: 3080 Atherton Drive, a 5,300 square feet lot on the southeast corner of Atherton Drive and Hayes Avenue; APN: 296-11-020; property is zoned Single-family Residential (R1-6L).
Applicant: Gregg Jones
Owner: Cheryl Knepler
Request: Architectural Review of a 283 square feet attached Accessory Dwelling Unit (ADU) located outside of the building envelope and a 276 square feet front addition to create a family room in an existing 1,260 square feet 3 bedroom 2 bathroom one-story house with an existing 2-car garage to remain.
Project Data: see Attachment 2 for full-sized table
Lot Size: 5,300 sq. ft.
Existing Floor Area (sq. ft.)
Proposed Addition (sq. ft.)
Proposed Floor Area (sq.ft.)
First Floor
1,260
276
1,536
Second Floor
n/a
n/a
Garage
428
428
ADU
n/a
283
283
Covered Patio
n/a
17
17
Gross Floor Area
1,688
2,264
Lot Coverage
1,688/5,300= 32%
1,981/5,300 = 37%
F.A.R.
1,688/5,300= 0.32
1,981/5,300 = 0.37
Bedrooms/Baths
3/2
3/2
ADU Bedrooms/Baths
n/a
1/1
Flood Zone
X
X
Points for consideration
* The project includes a 283 square foot attached Accessory Dwelling Unit (ADU) located outside of the building envelope which provides a 5 foot side setback and a 5 foot rear setback.
* The attached ADU located at the rear of the property is proposed at a height of 15'-9".
* The proposed ADU will have modified bitumen roofing and will match the existing residence with stucco siding.
* The project site is located in FEMA Flood Zone X, which is considered a moderate to low risk area.
* 300-feet neighborhood notice was distributed for this project review.
* There are no active code enforcement cases for this property.
Findings supporting the Staff Recommendation
1) That any off-street parking area, screening strips and other facilitates and improvements nece...
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