San Mateo County ADU One Stop Shop Program

Housing Program

San Mateo County ADU One Stop Shop Program

Program description
No-cost technical support for homeowners navigating ADU design, permitting, and project management.
Maximum assistance
No direct cash assistance
Repayment
No

Program categories

Organization

Important considerations

This is a technical-assistance program rather than a direct construction grant or loan.

Eligibility & program information

Rank Math Internal Links Processed
1
Status
Active
Additional Info

Program support has been delivered with Hello Housing and local partners.

State
California
Coverage Type
County / Eligible Areas
Resources
California HCD ADU Funding Resources
Eligibility Requirements

Must meet local service-area and program requirements.

Official Information

Visit the official website(s) for current eligibility, program details, and information on how to apply.

Information last updated August 27, 2026.