Approved Materials: Petaluma vs Sonoma
How do approved materials rules compare between Petaluma, CA and Sonoma, CA?
Petaluma has fewer restrictions than Sonoma.
Petaluma, CA
Sonoma County
Petaluma IZO §13.040 sets standards for fence materials. Barbed wire and razor wire are prohibited in residential zones; chain-link is restricted in front yards.
View full Petaluma rules →Sonoma, CA
Sonoma County
Sonoma Municipal Code Ch. 19.46 regulates fence materials, including special wall and fencing guidelines (SMC 19.46.070) and material restrictions (SMC 19.46.080). Solid wood, masonry and concrete fences over 7 feet require a building permit; all fences over 10 feet do regardless of material.
View full Sonoma rules →Key Facts Comparison
| Fact | Petaluma | Sonoma |
|---|---|---|
| Prohibited | Barbed wire, razor wire, electric (residential) | - |
| Restricted | Chain-link in front yards | - |
| Code | Petaluma IZO §13.040 | - |
| Permit-free solid fence | - | 7 feet or less |
| Permit-free open fence | - | 10 feet or less |
| Above 7 ft solid | - | Top must be 40%+ open |
| Code citation | - | SMC 19.46.070, 19.46.080 |
| Building permit | - | Required above thresholds |
Highlighted rows indicate differences between cities.
Petaluma FAQ
Are barbed wire tops OK on commercial property?
Sometimes — IZO §13.040 has limited allowances for industrial zones with screening.
Sonoma FAQ
Do I need a permit to replace my wood fence?
Not if the new fence is solid wood, concrete or masonry at 7 feet or less, or open construction at 10 feet or less. Above those heights, a building permit is required under SMC Ch. 19.46.
Is barbed wire or razor wire allowed?
Sonoma's residential and commercial fence material restrictions in SMC 19.46.080 generally prohibit barbed and razor wire on standard residential and commercial frontages. Limited use may be allowed for legitimate agricultural or security uses only with planning approval.
Compare other topics
See how Petaluma and Sonoma 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