Permit Required
Do you need a permit to install a water heater in Los Angeles, CA?
A plumbing permit is required to install or replace a water heater. Replacement is eligible for an Express Permit (no plan check).
✓ Verified from official source
Source: LADBS Information Bulletin P/GI 2020-003 — Express Permits — Verified 2026-06-26
Permit rules vary by property and change over time. This is an informational guide, not legal advice — always confirm with Los Angeles Department of Building and Safety (LADBS) before starting work.
How to get the permit in Los Angeles
Building department
Apply online
Phone
(213) 482-7210
Code in force
2023 City of Los Angeles Residential Code (based on 2022 California Residential Code / CRC, derived from the IRC)
Need a permit pulled? Find a licensed plumber in Los Angeles
Licensed plumbers near you can handle the permit and the work — compare pros on our directory.
Find a plumber in Los Angeles, CA →See Installing a Water Heater permit rules for other cities →