ADU Regulations in Lakewood, California (2026)

Regulations at a glance

Local rules & notes

Restrictive Open Space Requirement: The ordinance requires a minimum of 650 square feet of usable open space adjacent to the ADU, excluding vehicle storage or areas less than 8 feet wide. This is a significant constraint not typically found in standard state ADU laws. High Minimum Floor Area: The ordinance sets a minimum size of 460 sq. ft., which is higher than the state 'efficiency unit' standard (typically ~150-220 sq. ft.). Attached ADU Rear Setback: Attached ADUs are subject to a 10-foot rear setback, whereas detached units only require 5 feet.

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

Frequently asked questions about ADU regulations in Lakewood

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

  In Lakewood, 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; Lakewood may follow state defaults or have local limits. Verify with Lakewood planning for your specific lot.

• What are the setback requirements for ADUs in Lakewood?

  In Lakewood, typical setback requirements are 5 feet from the side property line and 5 feet from the rear. These may be reduced to 4 feet under California Government Code § 65852.2 where applicable. Check with Lakewood planning for overlay zones or design standards that could affect your site.

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

  In Lakewood, 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 Lakewood or county planning for your zone.

• Is ADU approval ministerial in Lakewood?

  In Lakewood, 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; Lakewood planning can confirm the exact process.

• Are there parking requirements for ADUs in Lakewood?

  In Lakewood, parking for ADUs is generally true. California law often waives parking for ADUs within a half-mile of transit or in certain historic districts. Check with Lakewood planning for your address.