Building Setbacks & Zoning in Petaluma, CA (2026)
3 verified building setbacks & zoning rules for Petaluma, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Petaluma's dimensional standards table sets minimum yard setbacks for the primary structure by zone: in the RR (Rural Residential) zone a 40-foot front, side-street and rear setback and 20-foot interior side setback, and in the R1 (Residential 1) zone 30-foot front, side-street and rear setbacks with a 15-foot interior side setback.
Petaluma RR and R1 Zone Yard Setbacks
Some RestrictionsPetaluma Implementing Zoning Ordinance § 4.040, Table 4.6 (RR/R1 Development Standards)
| " | RR | R1 | | | Rural Residential | Residential 1 | ... | Setbacks | Minimum setbacks required. See Chapter 12 for modifications, | Primary structure | reductions, and encroachments. See Chapter 7 for any | ...
Structure Height Limits
Petaluma caps building height at 25 feet for the principal residence in both the RR (Rural Residential) and R1 (Residential 1) zones, with a lower 15-foot limit for detached accessory structures and a 21-foot limit for accessory dwelling units, all subject to Chapter 12's height modification procedures.
Petaluma RR and R1 Building Height Limits
Some RestrictionsPetaluma Implementing Zoning Ordinance § 4.040, Table 4.6, Height Limit rows
| " | RR | R1 | | Height limit | Maximum allowable height of structures. See Glossary | | Maximum height | for height measurement requirements, and Chapter 12 | | | for height limit modifications. | ... | ...
Lot Coverage Limits
Within Petaluma's Downtown Housing and Economic Opportunity Overlay Zone, lot coverage is capped at 80 percent under Implementing Zoning Ordinance Table 5.2, rising to a maximum of 100 percent only with a Planning Commission conditional use permit under Section 5.070(H). The overlay reaches only Subarea A, thirteen downtown parcels within two blocks.
Petaluma Downtown Overlay Lot Coverage Cap
Some RestrictionsPetaluma Implementing Zoning Ordinance § 5.070(D), (H), Table 5.2
H. Criteria to Exceed 80 Percent Lot Coverage. The Planning Commission may approve a conditional use permit to allow for additional lot coverage of up to 100 percent pursuant to the review criteria set forth in Section 24.060(E), if any one or more of the following are true for a project: ... Lot Coverage | 80% Max With Conditional Use Permit4 | 100% Max ... 4Additional lot coverage above 80 pe...
Looking for Sonoma County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Petaluma city rules.
Building Setbacks & Zoning in Sonoma County →