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Santa Rosa, CA Zoning Overlays & Bonuses: Density Bonus Law (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Max Supplemental Bonus above State Bonus
100%
Eligible locations
Downtown/North Station Area Specific Plans
Eligibility Points from affordable units
At least 60%
Affordability term, low/very low income
55 years minimum
Application permit
Minor Conditional Use Permit

Summary

On top of California's State Density Bonus Law, Santa Rosa's Chapter 20-31 offers a Supplemental Local Density Bonus of up to 100 percent above the General Plan's maximum density for affordable housing built in the Downtown or North Santa Rosa Station Area Specific Plans, per Section 20-31.070.

This section outlines the eligibility requirements for Supplemental Density Bonuses in excess of the State Density Bonus (i.e., California Government Code Section 65915). An eligible project may qualify for a Supplemental Density Bonus of up to, but not greater than, 100 percent above the maximum residential density permitted in the applicable Land Use Designation pursuant to the provisions in this section. ... B. Eligible locations. A project that receives the maximum State Density Bonus is eligible for a Supplemental Density Bonus above the maximum State Density Bonus if it is: 1. Located within the Downtown Station Area Specific Plan or North Santa Rosa Station Area Specific Plan; and 2. The project site is designated one of the following General Plan Land Use Designations...

Full Breakdown

070 layers a local Supplemental Density Bonus on top of that state entitlement for projects in specific locations. To qualify, a project must already receive the maximum State Density Bonus, sit within the Downtown Station Area Specific Plan or the North Santa Rosa Station Area Specific Plan, and carry a qualifying General Plan Land Use Designation such as Medium Residential, Office, Business Park, or Transit Village Mixed Use; projects inside a Historic Preservation District lose eligibility unless they carry the Transit Village Medium, Transit Village Mixed Use, or Retail & Business Services designation.

4 sets the bonus amount: a project in an eligible land use only can add 10 percent, rising to 45 percent within a half mile of a Major Transit Stop or a school, 65 percent if it hits all three factors, and up to 50 percent on a designated Housing Opportunity Site, for a combined cap of 100 percent above the maximum State Density Bonus on a Housing Opportunity Site or when all location factors line up. 060 instead. Applicants request the Supplemental Bonus through a Minor Conditional Use Permit filed with the Density Bonus Worksheet.

Violations & Fines

The Density Bonus Housing Agreement required under Section 20-31.110 must be recorded before any final map or building permit issues, and it binds all future owners for a minimum of 55 years for low- and very low-income units. Housing Authority staff monitor rent rolls for compliance, and the recorded agreement itself, not a criminal penalty, is the enforcement mechanism: a project that fails to keep a unit at the required affordable rent for the agreement's term is in breach of a covenant the Housing Authority can enforce directly against the property.

Frequently Asked Questions

How much extra density can a Santa Rosa project get beyond the State Density Bonus?
Up to 100 percent above the maximum State Density Bonus, under Table 3.4 of Section 20-31.070, but only for a project in the Downtown Station Area or North Santa Rosa Station Area Specific Plan that also sits within a half mile of a Major Transit Stop and a school facility, or that qualifies as a Housing Opportunity Site.
How long must Density Bonus units in Santa Rosa stay affordable?
A minimum of 55 years from the date of initial occupancy for low- and very low-income units, under the Density Bonus Housing Agreement required by Section 20-31.110, unless a separate Regulatory Agreement sets a longer term. Housing Authority staff monitor compliance for the life of the agreement.
Who approves a Supplemental Density Bonus application?
A project seeking the Supplemental Local Density Bonus applies for a Minor Conditional Use Permit under Chapter 20-52, supported by the Density Bonus Worksheet and the Eligibility Point calculation required by Section 20-31.070, and the recorded agreement itself is executed with the City's Housing Authority.

Sources & Official References

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