Retaining Walls: Chino vs Victorville
How do retaining walls rules compare between Chino, CA and Victorville, CA?
Chino and Victorville have similar restriction levels.
Chino, CA
San Bernardino County
Per CBC § 105.2 (as adopted in CMC Title 15), retaining walls 4 ft or less in height (measured from bottom of footing to top of wall) and not supporting a surcharge are exempt from building permit. Taller walls or surcharge-loaded walls require permits, plans stamped by a licensed engineer, and inspections.
View full Chino rules →Victorville, CA
San Bernardino County
Retaining walls over 4 feet measured from the bottom of the footing require a building permit with engineered plans in Victorville. Lower walls need no permit but must meet setback and drainage rules.
View full Victorville rules →Key Facts Comparison
| Fact | Chino | Victorville |
|---|---|---|
| Permit-exempt height | ≤ 4 ft (no surcharge) | - |
| Permit-required threshold | Over 4 ft OR any surcharge | - |
| Code section | CBC § 105.2 (via CMC Title 15) | - |
| Engineered plans | Required for permitted walls | - |
| Combined fence-on-wall | Total height counted for zoning | - |
| Building Division | 909-334-3251 | - |
| Permit Threshold | - | Over 4 ft or surcharge |
| Measure | - | Bottom of footing to top |
| Engineer | - | CA licensed plans required |
| Drainage | - | Weep holes and backfill |
| Combined Height | - | Wall plus fence counts |
Highlighted rows indicate differences between cities.
Chino FAQ
Do I need a permit for a 3-foot landscape wall in Chino?
No, retaining walls 4 ft or less from footing bottom to top, with no surcharge load, are exempt under CBC § 105.2 as adopted in CMC Title 15.
When does my retaining wall require an engineer?
Any wall over 4 ft, or any wall supporting a surcharge (sloped fill, structure, driveway), needs engineered plans from a California-licensed civil or structural engineer.
Can I stack a 6-ft fence on a 4-ft retaining wall?
The wall may be permit-exempt, but the combined 10-ft height triggers fence permitting and zoning review. Contact Chino Building & Safety at 909-334-3251 first.
Victorville FAQ
Do I need a permit for a 3-foot retaining wall?
Not if it is under 4 feet and has no surcharge. Anything over 4 feet or supporting a driveway or slope requires engineered permit plans.
Does a fence on a wall count toward height?
Yes. The combined height of the retaining wall plus the fence on top is used to determine Development Code fence-height compliance.
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