ADU permit guide for Long Beach, California

Los Angeles County, CaliforniaReviewed August 28, 2026

Building and Safety Bureau reviews local ADU permits through the City Online Portal System. Use this page to plan the local process and the fee questions to verify before you submit.

Prepared by GetYourPermit editorial teamReport an error

Permit fee planning by size

GetYourPermit research · 8 published reference lines

ADU sizeResearched range
600 sq ft$4,980 – $7,280
800 sq ftimpact-fee band$8,680 – $14,380
1,000 sq ft$10,880 – $17,560
1,200 sq ft$13,080 – $21,180

Getting the permit

Department
Building and Safety Bureau
Where to apply
City Online Portal System
View the full 5-step permit process

Reference pages to verify