Neighbor Fence Rules: El Cerrito vs San Ramon
How do neighbor fence rules rules compare between El Cerrito, CA and San Ramon, CA?
El Cerrito has fewer restrictions than San Ramon.
El Cerrito, CA
Contra Costa County
Hedges and living screens in unincorporated Contra Costa County are generally treated as landscaping and are not subject to the same permit thresholds as fences, but height limits in corner-lot visibility triangles and spite-fence rules (Civil Code §841.4 over 10 feet) still apply.
View full El Cerrito rules →San Ramon, CA
Contra Costa County
Hedges in San Ramon are regulated similarly to fences for sight-line purposes. Front yard hedges must not exceed 3.5 feet within the front setback, and corner lot sight triangles apply. Hedges over 6 feet that block a neighbor's solar access or constitute a 'spite fence' under Civil Code §841.4 may be actionable.
View full San Ramon rules →Key Facts Comparison
| Fact | El Cerrito | San Ramon |
|---|---|---|
| Permits | Usually none for hedges | - |
| Visibility Triangle | ~30 in max | - |
| Spite Hedge Cap | Civil Code §841.4 — 10 ft | - |
| Solar Conflict | Civil Code §714 | - |
| ROW Encroachment | County can order trimming | - |
| - | - |
Highlighted rows indicate differences between cities.
El Cerrito FAQ
Can I grow a 15-foot hedge along my property line?
In principle yes — hedges are not capped at fence heights — but a tall hedge built maliciously to block a neighbor could be challenged as a spite fence under Civil Code §841.4.
Can I trim my neighbor's hedge overhanging my yard?
You can trim back to the property line at your own expense without damaging the plant's health. You cannot enter their property without permission.
San Ramon FAQ
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