Adu permit — Los Angeles, CA
Last updated: September 24, 2026
What affects the price
Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.
About this service
Getting an ADU permit is the legal process of obtaining local government approval for your building project. You cannot legally construct or occupy an ADU without this documentation. You need this service before any construction begins to ensure your build meets building codes and safety regulations.
Frequently asked in Los Angeles
What do I need to know about building an ADU unit in Los Angeles?
What are the general rules for accessory dwelling units in Los Angeles?
How do I find a reliable ADU builder in Los Angeles?
What are the advantages of adding a backyard accessory dwelling unit?
What does 'accessory dwelling unit' mean in the context of Los Angeles?
What are the considerations for homes with mother-in-law suites in Los Angeles?
What services are available for accessory dwelling units in Los Angeles?
Also serving nearby: Santa Monica · Inglewood · South Gate · Compton · Torrance
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Los Angeles — population 3,820,914; about 8,120 residents per square mile across 470.5 sq mi. ZIP codes covered include 90001, 90002, 90003, 90004, 90005, 90006, 90007, 90008.
Neighborhoods served in Los Angeles: Hollywood, Santa Monica, Beverly Hills, Downtown LA, Pasadka, Long Beach — and every surrounding area.
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