Retaining Walls: Compton vs Santa Monica
How do retaining walls rules compare between Compton, CA and Santa Monica, CA?
Compton and Santa Monica have similar restriction levels.
Compton, CA
Los Angeles County
Retaining walls in Compton under 4 ft from footing to top do not require a building permit unless supporting a surcharge. Walls retaining fill at property limits must be constructed per subdivision code. Walls in required yards cannot exceed 6 ft.
View full Compton rules →Santa Monica, CA
Los Angeles County
Retaining walls in Santa Monica over 4 ft in Seismic Design Category D, E, or F cannot be constructed of wood. Fence height on top of retaining walls is measured from lowest grade within 3-ft radius. Engineering required for significant walls.
View full Santa Monica rules →Key Facts Comparison
| Fact | Compton | Santa Monica |
|---|---|---|
| Permit Exempt | Under 4 ft height | - |
| Max in Yards | 6 ft in required setback areas | - |
| Property Line | Required where fill exceeds 12 inches | - |
| Engineering | May need soils report for taller walls | Required for significant walls |
| Wood Prohibited | - | SDC D/E/F over 4 ft |
| Height Measurement | - | From lowest grade within 3 ft |
| Seismic | - | AWPA U1 treatment required |
Highlighted rows indicate differences between cities.
Compton FAQ
Do I need a permit for a retaining wall?
In Compton, walls over 4 feet typically require a building permit and engineered plans. Shorter walls may be exempt.
How close to the property line can I build a retaining wall?
Setback requirements vary. Check Compton zoning code for specific distances from property lines.
Santa Monica FAQ
Do I need a permit for a retaining wall?
In Santa Monica, walls over 4 feet typically require a building permit and engineered plans. Shorter walls may be exempt.
How close to the property line can I build a retaining wall?
Setback requirements vary. Check Santa Monica zoning code for specific distances from property lines.
Compare other topics
See how Compton and Santa Monica compare on other ordinance categories.
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