Los Angeles
Building express permit check for insulation and air-sealing scope
LADBS Express Permits list installing radiant barrier and/or insulation in attics for residential buildings, and installing insulation in walls or floors for single-family dwellings and duplexes. Insulation or air-sealing work should be confirmed with LADBS when it changes assemblies, opens walls, affects structural or trade systems, or falls outside the listed express categories.
Official applicationSource record
City of Los Angeles Department of Building and Safety: Express Permits (No Plan Check Required)- Type
- Local Building Department
- Tier
- A
- Verified
- 2026-05-01