Retaining Walls: Compton vs Pomona
How do retaining walls rules compare between Compton, CA and Pomona, CA?
Compton and Pomona 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 →Pomona, CA
Los Angeles County
Retaining walls in Pomona require engineering plans and Planning Division approval. Height and material must be depicted in section drawings. Retaining walls along property boundaries may also require neighbor notification.
View full Pomona rules →Key Facts Comparison
| Fact | Compton | Pomona |
|---|---|---|
| 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 | - |
| Approval | - | Planning Division + Building & Safety |
| Plans Required | - | Engineering sections and elevations |
| Code | - | Pomona Zoning & Development Code |
| Building Codes | - | 2022 CA Building Codes apply |
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.
Pomona FAQ
Do I need a permit for a retaining wall?
In Pomona, 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 Pomona zoning code for specific distances from property lines.
Compare other topics
See how Compton and Pomona compare on other ordinance categories.
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