SB9 in Fairfax

Fairfax receives a grade of D, indicating extremely limited SB9 activity and minimal support for duplex and lot-split development under the law. For investors, this grade signals a challenging environment with no demonstrated market or regulatory momentum for SB9 projects. The city’s restrictive development culture and lack of approvals make it a low-priority location for SB9-driven investment.

Fairfax is a small city in Marin County with a restrictive development culture that has not embraced SB9. The local ordinance imposes standard setbacks and design review requirements typical of the area, but it does not include any incentives or streamlined processes to encourage SB9 applications. Lot minimums and parking requirements remain unchanged and are not relaxed to facilitate duplexes or lot splits. Overall, the ordinance is standard but effectively discourages SB9 development through procedural and cultural barriers.

From 2022 through 2025, Fairfax recorded zero SB9 applications and zero approvals. This flat trajectory reflects the city’s resistance to SB9 implementation. Despite the statewide push for increased housing density, Fairfax’s local government and community have maintained a restrictive stance on development. There were no significant policy changes or outreach efforts to promote SB9 uptake during this period. The city’s small size and Marin County location contribute to a development culture focused on preservation rather than expansion. Fairfax is not a charter city and has not been involved in any litigation related to SB9 compliance. The absence of applications suggests either a lack of demand or a perception that SB9 projects will face insurmountable hurdles.

There is no record of any enforcement action by the California Department of Housing and Community Development against Fairfax for SB9 noncompliance. The city has not been subject to letters, lawsuits, or other enforcement measures related to SB9.

Investors should avoid Fairfax for SB9-driven development. The city’s zero application and approval record over four years demonstrates a stagnant market with no signs of change. The restrictive local culture and lack of supportive policies create significant barriers to SB9 projects. Without enforcement pressure or ordinance reform, Fairfax will remain a difficult place to execute SB9 developments. Investors seeking SB9 opportunities should focus on cities with demonstrated activity and more favorable regulatory environments. For the grading methodology, see the SB9 City Guide post.