Development Plan and Kensington Design Review at 91 Arlington Ave. #CDDP23-03034


SCH Number
Public Agency
Contra Costa County
Document Title
Development Plan and Kensington Design Review at 91 Arlington Ave. #CDDP23-03034
Document Type
NOE - Notice of Exemption
Document Description
The applicant requests approval of a Development Plan for a Kensington Design Review to allow an approximately 414-square-foot second story addition, a 25-square-foot main level addition and conversion of 21 square feet of an existing covered patio into living space on the main level of an existing single-family residence. The total gross floor area with the proposed project is 2,928 square feet, which exceeds the 2,800 square feet threshold for the subject property. The subject property is located at 91 Arlington Ave., in the Kensington area of Contra Costa County. The project was approved on December 18, 2023, by the Contra Costa County Zoning Administrator.

Contact Information

Everett Louie
Agency Name
Contra Costa County
Job Title
Planner II
Contact Types
Lead/Public Agency


Unincorporated Kensington
Contra Costa
Parcel #

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
The proposed project is exempt under CEQA Guidelines Section 15301(e), which identifies additions to existing facilities as exempt provided that the addition will not result in an increase of more than 50 percent of the floor area of the structure before the addition or 2,500 square feet, whichever is less. The project proposed an addition of approximately 439 square feet, which is less than 50 percent of the existing floor area (1,244 square feet) and less than 2,500 square feet. Therefore, the proposed project is exempt under CEQA Guidelines Section 15301(e).
County Clerk
Contra Costa


Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

Download CSV New Search Print