Permit Required? Required
Typical Fee Range $1,000–$4,000 Includes building, zoning, and utility capacity fees.
Fee Method Valuation-based
Apply Online Apply at Development Services Department →

What's Required in Long Beach

  • Building permit required for all secondary dwelling units.
  • Must contain independent cooking, sleeping, and sanitation facilities.
  • Requires professional architectural plans including foundation.
  • Must meet lot coverage and setback rules for the zoning district.
  • Owner-occupancy of the property is a mandatory requirement.
  • Maximum size capped by state and local laws (usually 800-1200 sq ft).

How to Get a ADU Permit in Long Beach

1

Step 1: Zoning Audit

Confirm an ADU is allowed on your lot via LBDS Planning.

2

Step 2: Design Documents

Prepare detailed site plans and architectural drawings.

3

Step 3: Submit Portal

Apply for a New Accessory Structure permit online via LBDS.

4

Step 4: Multi-Agency Review

Checked by Building, Zoning, and Fire departments.

5

Step 5: Inspections

Full series from footings to final occupancy sign-off.

Frequently Asked Questions

Yes, provided it meets all building and safety codes.
ADUs can often share meters with the main house in Long Beach.
Expect 8-12 weeks for a new detached ADU.