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
A dedicated contractor manages the heavy lifting of your ADU project. This involves hiring skilled tradespeople, ordering materials, and ensuring that every phase of construction passes municipal inspections. You need a contractor when you want a single point of contact to oversee the transition from a vacant backyard area to a fully finished, livable home. They bridge the gap between initial architectural designs and the final move-in date for your new space.
Frequently asked in Torrance
Who typically needs an ADU and when do they call?
What is involved in ADU building in Torrance?
ADU building in Torrance involves initial design and planning, followed by securing necessary permits from the city. Then comes the construction phase, including foundation, framing, and utility connections. Finishing touches and final inspections complete the process. We manage these phases to ensure a successful build. Our expertise covers all aspects of ADU construction.
What are accessory dwelling units (ADUs)?
Accessory dwelling units are secondary housing units on a single-family lot. They can be attached or detached and provide independent living spaces. ADUs are valuable for accommodating family members, guests, or generating rental income. We help you design and build these functional additions to your property. They are a smart investment.
What are the benefits of a prefab ADU?
Prefabricated ADUs can offer faster construction times and potentially more predictable costs. Components are built off-site in a controlled environment, leading to higher quality control. We help you select and integrate a prefab ADU that fits your property and lifestyle. They are an efficient building option for Torrance residents.
What does an ADU quote entail?
An ADU quote involves a detailed breakdown of costs associated with your project. This includes design, materials, labor, and permitting fees. We provide a comprehensive quote after an on-site assessment. Our aim is to be transparent about all project expenses. Call us to schedule your assessment and receive a quote.
What are accessory dwelling unit companies?
ADU companies manage the entire process of building an accessory dwelling unit. This includes design, navigating permits, and construction. They ensure the project meets all local codes and your specific requirements. Our service is comprehensive for your ADU needs.
What is an ADU company?
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: Old Torrance, South Torrance, North Torrance, West Torrance, Harbor Gateway (adjacent area) — and every surrounding area.
Areas we serve
Browse by state, then city.
