ADU Regulations in Carson, California (2026)
Summary from local ordinance data. Verify with city planning for your specific lot.
Regulations at a glance
| Rule | Value |
|---|---|
| Max ADU Size | 1000 sq ft |
| Side Setback | 4 ft |
| Rear Setback | 4 ft |
| Max Height | 16 ft |
| Approval Type | Ministerial (by-right) per Gov Code §65852.2 |
| Parking Requirements | Often waived per state law; check local ordinance |
Local rules & notes
Proposed Setback Reversion (SB 765): This bill, supported by Carson, attempted to allow cities to establish rear and side yard setbacks larger than 4 feet (reverting to Jan 1, 2020 standards) if the 4-foot standard made construction infeasible. Amnesty Period: State law provides a 5-year amnesty period for owners of existing ADUs with building standard violations to correct them.
For the official ordinance and latest updates, check your city or county planning department.
Frequently asked questions about ADU regulations in Carson
What is the maximum ADU size in Carson, California?
In Carson, the maximum ADU size is typically 1000 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; Carson may follow state defaults or have local limits. Verify with Carson planning for your specific lot.
What are the setback requirements for ADUs in Carson?
In Carson, 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 Carson planning for overlay zones or design standards that could affect your site.
What is the maximum height for an ADU in Carson?
In Carson, 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 Carson or county planning for your zone.
Is ADU approval ministerial in Carson?
In Carson, 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; Carson planning can confirm the exact process.
Are there parking requirements for ADUs in Carson?
In Carson, 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 Carson planning for your address.
Check if your specific address qualifies
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