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File #: 25-4526    Version: 1 Name:
Type: Discussion Item Status: Agenda Ready
File created: 10/27/2025 In control: Contra Costa County Zoning Administrator
On agenda: 11/3/2025 Final action:
Title: CHRISTOPHER MILLS (Applicant & Owner), County File CDDP25-03019: The applicant requests approval of a Development Plan for a Small Lot Design Review to allow for an as-built 370-square-foot pergola on a substandard lot. The subject property is located at 4010 Wellington Place in the unincorporated area of Lafayette in Contra Costa County. (APN: 169-040-036, Zoning: R-20 Single-Family Residential District) CP
Attachments: 1. 1 CDDP25-03019 Findings and COAs, 2. 2 CDDP25-03019 Public Comments, 3. 3 CDDP25-03019 Maps, 4. 4 CDDP25-03019 Agency Comments, 5. 5 CDDP25-03019 Project Plans, 6. 6 CDDP25-03019 Site Visit Photographs
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Project Title:

Development Plan for a Small Lot Design Review for Detached Pergola
County File(s):
CDDP25-03019
Applicant & Owner:
Christopher Mills
Zoning:
R-20 Single-Family Residential District (R-20)
General Plan:
Residential Low Density (RL)
Site Address/Location
4010 Wellington Place, Lafayette, CA 94549 / APN: 169-040-036
California Environmental Quality Act (CEQA) Status:
Categorical Exemption, CEQA Guidelines Section 15303(e)
Project Planner:
Chloe Partain, Planner I - phone: (925) 655-2857 and email: chloe.partain@dcd.cccounty.us
Staff Recommendation:
Approve (See section II for full recommendation)



I. PROJECT SUMMARY

The applicant requests approval of a Development Plan for a Small Lot Design Review to allow an as-built 370-square-foot pergola on a substandard lot.

II. RECOMMENDATION

The Department of Conservation and Development, Community Development Division (CDD) staff recommends that the Zoning Administrator:
1. OPEN the public hearing for the Development Plan for a Small Lot Design Review (County File #CDDP25-03019), ACCEPT public testimony, and CLOSE the public hearing;
2. DETERMINE that the project is categorically exempt from CEQA;
3. APPROVE County File #CDDP25-03019, based on the attached Findings and Conditions of Approval; and
4. DIRECT staff to file a Notice of Exemption.

III. BACKGROUND

CECF24-00873 was filed on August 28, 2024 for the construction of a masonry barbeque with gas lines and electrical lines without necessary approvals and permits, and was closed on March 25, 2025. A building permit for an exterior outlet and to extend the gas line five to six feet (BIMU24-010468) was filed and subsequently approved by the building department. In response to CECF24-00873, an application for a Small Lot Design Review to allow a 370-square-foot pergola was first submitted under County File #CDSL25-00042 on May 2, 2025. On May 14, 2025, County staff mailed a notice of opportunity to request public hearing to property owners within 30...

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