Retaining Wall Permit Requirements in King City, CA
CORRECTION: the department line is 831-385-3281; the previously listed 831-386-5915 is the Chief Building Official Mark McClain's direct line (mmcclain@kingcity.com). The City of King Building & Safety Department is the AHJ inside city limits, enforcing the California Building Standards Code (Title 24), which for 1- and 2-family dwellings is the 2022 California Residential Code, together with King City Municipal Code Title 12. Permits are submitted through the City's CitizenServe online portal (verified live). No standalone fee schedule is published online, so per-project fees should be confirmed with the department.
By Joey, Founder · Last verified May 31, 2026 · How we research →
When you need a Retaining Wall permit
A retaining wall over 4 feet tall (measured from the bottom of the footing to the top of the wall) or any wall supporting a surcharge requires a building permit and engineered design from the City of King Building & Safety Department under the 2022 CRC. Walls 4 feet or less without surcharge are generally exempt, but drainage and erosion control remain the owner's responsibility.
Retaining Wall Permit Costs: King City vs. Nearby
| City | Estimated Fee |
|---|---|
| King City | N/A |
| Los Angeles | $300 – $2,000 |
| Sacramento County | $100 – $500 |
| San Diego | $255 – $1,700 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all King City permit costs →
Zoning & HOA Considerations
Retaining walls near property lines may require zoning setback review. Walls that significantly change the grade of a property may need additional zoning approval.
If you live in an HOA community: some HOAs restrict retaining wall materials and appearance. Visible retaining walls in front or side yards may need architectural review approval for material and design.
Estimated Project Timeline
Here's a typical timeline for a retaining wall project:
Timeline is based on the typical about 3 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
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Frequently Asked Questions
Contact the building department for current Retaining Wall permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Retaining Wall projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Retaining Wall permits is about 3 weeks. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate, you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About Retaining Wall Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Retaining Wall Guide →