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Mill Valley ADU Permits and Regulations
As of January 1, 2020 the city of Mill Valley updated their ADU zoning to comply with the state mandate and accommodate ADU’s. Since then, there’s been high demand from Mill Valley homeowners looking to maximize their property.
Mill Valley ADU Resources
City Code of Ordinances
Learn about ADU regulations in the city of Mill Valley
Mill Valley’s ADU Ordinance and Updates
Learn about ADU regulations in Mill Valley
Rental rate trends in Mill Valley
The average rent for a 2 bedroom apartment in Mill Valley is $3,150
Mill Valley building permits
Building permit information for Mill Valley
City Planner Info
planning@cityofmillvalley.org
415-388-4033
Financing Options
When it comes to financing your ADU, our friends at San Mateo Credit Union offer ADU Loans, reach out to one of our home specialists for an introduction!
Regulations
Max ADU Size
Lot under 9,000 sqft: 600 sqft
Lot between 9,000 and 1000 sqft: 650 sqft
Lot over 10,000 sqft: 800 sqft
Front Setback
45’
Note: Front setbacks vary by zoning, please talk to a home specialist to confirm
Primary Residence Setback 10’
Side and Rear Setback
4’
Additional setback requirements may apply under the Building and Fire Codes or as a result of “no-build” easements or require compliance with existing easement restrictions.
Events & News
We are here to help you understand everything we’ve learned from ADU building
California's New ADU Laws: What You Should Know
What are Accessory Dwelling Units (ADUs)?
Building an ADU in California
We covered the new state laws, our process and the advantages of building with us.