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
An ADU quote is a detailed breakdown of what it takes to bring your secondary unit project to life. This process involves looking at your site conditions, utility access, and design preferences to give you a clear financial picture. You should request this when you are ready to move from the brainstorming phase into real planning. Costs are typically influenced by foundation type and finish levels. Exact pricing confirmed free on the call.
Frequently asked in Los Angeles
What exactly is an accessory dwelling unit?
An accessory dwelling unit, often called an ADU, is a second, smaller living unit on a single-family residential lot. It can be attached to the main home or a detached structure in the backyard. Accessory Dwelling Unit Experts can explain how these units are permitted in Los Angeles and what types work best for different properties. We can help you understand the practical applications for your specific situation.
What's involved in building a unit in my backyard?
What does 'accessory dwelling unit' mean?
The term 'accessory dwelling unit' refers to a secondary housing unit on an existing single-family lot in Los Angeles. It provides independent living facilities but is subordinate to the main house. Think of it as a guest house with a kitchen, bathroom, and sleeping area. Accessory Dwelling Unit Experts can clarify what constitutes an ADU under current California law and how it applies to your property.
Who are the professionals that build ADUs?
Where can I find accessory dwelling unit builders near me in Los Angeles?
What are the main cost factors for an ADU?
Are there affordable options for accessory dwelling units?
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, Downtown Los Angeles, Santa Monica, Venice, Pasadena, Silver Lake — and every surrounding area.
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