Skip to main content
CityRuleLookup
🧱 Fence Regulations/Retaining Walls

Retaining Walls: Palmdale vs Pomona

How do retaining walls rules compare between Palmdale, CA and Pomona, CA?

Palmdale and Pomona have similar restriction levels.

Palmdale, CA

Los Angeles County

Some Restrictions

Palmdale requires permits for retaining walls above a certain height, typically 4 feet. Engineering review may be required for taller walls.

View full Palmdale rules β†’

Pomona, CA

Los Angeles County

Some Restrictions

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 β†’

Key Facts Comparison

FactPalmdalePomona
Permit FreeUp to 4 feet typically-
EngineeringRequired over 4 feet-
SetbacksApply near property lines-
DrainageMust be addressed-
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.

Palmdale FAQ

Do I need a permit for a retaining wall?

In Palmdale, 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 Palmdale 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 Palmdale and Pomona compare on other ordinance categories.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool