To: Board of Supervisors
From: John Kopchik, Director, Conservation and Development
Report Title: Authorization to construct a retaining wall within a restricted development area on the properties located at 600 and 610 Stanely Lane in the El Sobrante area.
?Recommendation of the County Administrator ? Recommendation of Board Committee
RECOMMENDATIONS:
1. FIND that the project is Categorically Exempt from the California Environmental Quality Act (CEQA), under CEQA Guidelines Section 15303(e);
2. APPROVE and AUTHORIZE, under the terms of the attached grant deed of development rights held by the County, Soil Engineering Construction, Inc. to conduct landslide mitigations, including grading and construction of a retaining wall ranging from 5-11 feet in height and +112 linear feet in length on APN 433-020-056 and 433-020-057 (600 and 610 Stanley Lane) in the El Sobrante area, in accordance with development plan #CDDP23-03014;
3. DIRECT the Director of Conservation and Development to file a Notice of Exemption with the County Clerk.
FISCAL IMPACT:
There is no fiscal impact. The applicant has paid the necessary application deposit and is obligated to pay supplemental fees to cover all additional costs associated with the application process.
BACKGROUND:
The Community Development Division (CDD) previously considered the proposed project under Development Plan CDDP17-03028. A landslide occurred to the rear of two existing single-family residences addressed 600 and 610 Stanley Lane sometime between September 2015, and February 2016. The landslide severely eroded the rear yards and posed a continuing hazard to existing improvements on these parcels. On July 6, 2017, Development Plan #CDDP17-03028 was filed with the CDD for the purpose of constructing a retaining wall to mitigate the landslide area. However, creek bank stability immediately adjacent to the landslide had since worsened and were threatening improvements on two residential lots such that the project...
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