Chickens & Livestock: Rohnert Park vs Sonoma
How do chickens & livestock rules compare between Rohnert Park, CA and Sonoma, CA?
Rohnert Park and Sonoma have similar restriction levels.
Rohnert Park, CA
Sonoma County
Sonoma County Zoning Code Chapter 26 allows chickens and livestock in unincorporated areas with caps that scale to parcel size and zoning district. In rural residential zones, one horse or cow, five goats, or fifty chickens are allowed per 20,000 square feet. There is no countywide ban on roosters, and the agricultural-residential and rural districts permit a broad range of farm animals.
View full Rohnert Park rules →Sonoma, CA
Sonoma County
The City of Sonoma regulates keeping of livestock, fowl and other animals under Sonoma Municipal Code Chapter 8.08. Chickens and small fowl are allowed in residential zones subject to setback and sanitation requirements, while dairies and commercial animal farms are prohibited.
View full Sonoma rules →Key Facts Comparison
| Fact | Rohnert Park | Sonoma |
|---|---|---|
| Code Section | Sonoma County Zoning Code, Chapter 26 (Articles 8, 9, 18) | - |
| Rural Residential ratio | 1 horse/cow, 5 goats, or 50 chickens per 20,000 sq ft | - |
| Small-parcel chicken cap | Max 50 chickens on parcels under threshold size | - |
| Roosters | Permitted countywide in unincorporated areas | - |
| Permitting agency | Permit Sonoma (Planning & Zoning) | - |
| Code section | - | SMC Chapter 8.08 |
| Permit required | - | Compliance with chapter 8.08 sanitation/setback standards |
| Dairies/farms | - | Prohibited (commercial) |
| State law overlay | - | Cal. Food & Ag Code §30801 et seq. |
| First-offense fine | - | $100 (SMC 1.12.010) |
Highlighted rows indicate differences between cities.
Rohnert Park FAQ
Can I keep chickens in unincorporated Sonoma County?
Yes, in most rural and agricultural zones. In the Rural Residential zone, you may have up to 50 chickens per 20,000 square feet. Some agricultural parcels over 2 acres have no numerical chicken cap.
Are roosters allowed?
Yes. Sonoma County's code does not ban roosters in unincorporated areas, though they can still trigger a public nuisance complaint under § 5-126 if they unreasonably disturb neighbors.
How many goats or cows can I have on a 1-acre RR parcel?
About two horses or cows, ten goats, or one hundred chickens (since the RR ratio is 1 horse/cow, 5 goats, or 50 chickens per 20,000 sq ft and one acre is ~43,560 sq ft). Confirm with Permit Sonoma before stocking.
Sonoma FAQ
Can I keep chickens in my Sonoma backyard?
Yes. The City of Sonoma allows fowl including chickens under SMC Chapter 8.08, subject to setbacks from neighboring dwellings and sanitary upkeep. Commercial dairies and animal farms are prohibited.
Are roosters allowed?
Roosters are not categorically banned, but persistent crowing that disturbs neighbors can be cited as a public nuisance under SMC Chapter 8.06.
What if my property predates incorporation as a farm?
SMC Chapter 8.08 includes a legal nonconforming exception for certain pre-existing animal farms.
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