ADU Regulations in Burlingame, California (2026)

Regulations at a glance

Local rules & notes

One Stop Shop Pilot Program: A partnership with nonprofit Hello Housing to provide free technical assistance and project management (up to 100 hours) for homeowners in specific jurisdictions. Amnesty Enforcement Delay: A mandatory five-year stay of enforcement on non-permitted Second Units if they meet health and safety standards, to encourage legalization. 21 Elements Project: A collaborative countywide project to update Housing Elements and share resources, including standard designs and contractor lists.

For the official ordinance and latest updates, check your city or county planning department.

Frequently asked questions about ADU regulations in Burlingame

• What is the maximum ADU size in Burlingame, California?

  In Burlingame, the maximum ADU size is typically 1200 square feet, depending on whether the unit is attached or detached. California state law allows up to 1,200 sq ft for detached ADUs and 800 sq ft for attached in many jurisdictions; Burlingame may follow state defaults or have local limits. Verify with Burlingame planning for your specific lot.

• What are the setback requirements for ADUs in Burlingame?

  In Burlingame, typical setback requirements are 4 feet from the side property line and 4 feet from the rear. These may be reduced to 4 feet under California Government Code § 65852.2 where applicable. Check with Burlingame planning for overlay zones or design standards that could affect your site.

• What is the maximum height for an ADU in Burlingame?

  In Burlingame, the maximum height for an ADU is generally 16 feet. State law often allows up to 16 feet for detached ADUs and up to 25 feet when within 4 feet of the property line in some cases. Confirm with Burlingame or county planning for your zone.

• Is ADU approval ministerial in Burlingame?

  In Burlingame, ADU approval is typically Ministerial (by-right) per Gov Code §65852.2. Ministerial (by-right) review means the city must approve qualifying applications without discretionary review, per California Gov Code § 65852.2. Your project must still meet objective standards; Burlingame planning can confirm the exact process.

• Are there parking requirements for ADUs in Burlingame?

  In Burlingame, parking for ADUs is generally Often waived per state law; check local ordinance. California law often waives parking for ADUs within a half-mile of transit or in certain historic districts. Check with Burlingame planning for your address.