Buena Park, CA Fence Regulations: Retaining Walls (2026)
Key Facts
- Governing section
- BPMC § 19.328.010
- Permit-exempt height
- 4 feet or less, footing to top
- Permit required
- Over 4 feet, or any surcharge wall
- Code basis
- California Building Code, as applied locally
Summary
Buena Park requires a building permit for retaining walls over 4 feet measured from the footing, and for any shorter wall that supports a surcharge.
Building Permit. Fences and walls may require a building permit as required by the California Building Code. Fences over 6 feet in height and block walls will require a building permit with the exception of the following: block or retaining walls that are not over 4 feet (1,219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.
Full Breakdown
Buena Park Municipal Code § 19.328.010 states that block or retaining walls not over 4 feet (1,219 mm) in height, measured from the bottom of the footing to the top of the wall, are exempt from the City's building permit requirement for fences and walls, unless the wall is supporting a surcharge. Any retaining wall exceeding that 4-foot footing-to-top measurement, or one carrying a surcharge load regardless of height, requires a building permit under the California Building Code as applied by Buena Park.
Violations & Fines
Constructing a retaining wall over 4 feet or one carrying a surcharge without a building permit is a Building Division violation; the City can require engineered plans, a retroactive permit, or removal of unpermitted work.
Frequently Asked Questions
Do I need a permit for a retaining wall in Buena Park?
How is retaining wall height measured for the Buena Park permit threshold?
Sources & Official References
Other rules in Buena Park
California rules heatmap·Compare Buena Park to another location·View the California fence regulations overview
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How other cities in Orange County handle retaining walls.