If I have questions about the ADU Code Ordinance what can I do?

You may contact our Planning and Building staff by email, phone, or by visiting our counter for further questions on your project. 

General Zoning Inquiries:

Email: planning@cityofsanmateo.org

Call Planner on Duty: (650) 522-7212

Planning Counter Hours: Monday, Wednesday, Thursday, Friday 8:00am - 4:45pm and Tuesday 12:30pm - 4:45pm

Building Permit Application and Fee Inquiries:

Building Counter Line: (650) 522-7172

Building Code Consultation (Building Plan Checker) Hours: Monday through Friday 9:30am - 11:30am

Fire Prevention Inquiries:

Justin Ho: (650) 522-7940

Fire Code Consultation Hours: Monday through Friday 9:30am-11:30am

Parks and Recreation Inquiries:

Call (650) 522-7400

Heritage Tree Preservation Inquiries:

Call (650) 522-7420

Show All Answers

1. What is an Accessory Dwelling Unit (ADU)?
2. What is a Junior Accessory Dwelling Unit (JADU)?
3. Is an accessory dwelling unit the same as an accessory building?
4. Where can I put an ADU on my property?
5. How many ADUs can I add to my property?
6. Can I use my ADU for short-term rentals?
7. Can I Sell my ADU?
8. What are the requirements for an ADU/JADU?
9. Do I need to provide parking for my ADU?
10. Will the ADU count towards the density/floor area ratio of my property?
11. Is the ADU required to have fire sprinklers?
12. Is a Building Permit required for an ADU/JADU?
13. Is a Discretionary Permit required for an ADU/JADU?
14. Will my property taxes increase with an Accessory Dwelling Unit?
15. What if I currently have an unregistered ADU?
16. How do I know if my garage was built legally?
17. Can the City help me find a licensed professional? (i.e. architect, contractor, engineer, designer, etc.)
18. If I have questions about the ADU Code Ordinance what can I do?