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
Turning an ADU into a rental property means converting your extra space into a standalone apartment for tenants. This is a smart way to generate monthly income or help pay down your mortgage. You need this service if your local zoning allows for rental units and you have the extra square footage available.
Frequently asked in Torrance
What is an accessory dwelling unit rental in Torrance?
Are there accessory dwelling unit grants available in Torrance?
What is an ADU unit in Torrance?
Who are accessory dwelling unit builders in Torrance?
What are local ADU options in Torrance?
What is the ADU cost in Torrance?
Who is an accessory dwelling unit contractor in San Diego?
Also serving nearby: Carson · Compton · Inglewood · Long Beach · South Gate
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Torrance — population 139,224; about 6,786 residents per square mile across 20.5 sq mi. ZIP codes covered include 90501, 90502, 90503, 90504, 90505, 90506, 90507, 90508.
Neighborhoods served in Torrance: Harbor Gateway, South Torrance, Old Torrance, Del Amo, Torrance Airport Area — and every surrounding area.
Areas we serve
Browse by state, then city.
