Adu builder — Thousand Oaks, 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
An ADU builder is a professional who manages the design, permitting, and construction of your secondary unit. You need to hire one when you want a streamlined process that handles the heavy lifting from start to finish. Builders provide expertise on zoning and structural requirements that keep your project on budget. Exact pricing confirmed free on the call.
Frequently asked in Thousand Oaks
What makes an accessory dwelling unit project affordable in Thousand Oaks?
What are the steps for accessory dwelling unit construction in Thousand Oaks?
Can I get a backyard accessory dwelling unit in Thousand Oaks?
How do I get an ADU quote in Thousand Oaks?
What are accessory dwelling units (ADUs) like in Thousand Oaks?
Who are accessory dwelling unit builders near me in Thousand Oaks?
What services does an ADU company offer in Thousand Oaks?
Also serving nearby: Simi Valley · Oxnard · San Buenaventura Ventura · Santa Monica · Santa Clarita
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Thousand Oaks — population 123,463; about 2,234 residents per square mile across 55.3 sq mi. ZIP codes covered include 91358, 91360, 91362.
Neighborhoods served in Thousand Oaks: Wildwood, Newbury Park, Westlake Village, Agoura Hills, Oak Park — and every surrounding area.
Areas we serve
Browse by state, then city.