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Thousand Oaks A.D.U. Builders - El Segundo

You dream it. We build it.

#1 ADU Builder in Thousand Oaks

Featured Project: Conejo Oaks


Get invited to our next A.D.U. Open House.

Featured Project: Conejo Oaks

Detached ADU's

The City of Thousand Oaks has the following size restrictions on Detached ADU's:


850 square foot max for a studio or 1- bedroom unit and 1,000 square foot max for a 2- bedroom or larger unit.​


A 400-600sf ADU is ideal for a one-bedroom floor plan and a 600-1,000 sf structure is enough to be one or two stories, with up to three bedrooms and multiple baths...

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Thousand Oaks A.D.U. Builders (Rollings Kitchen)

Attached ADU's

ADU's can be attached to an existing home, attached to a garage in the rear of the lot, or detached completely.

An ADU must be in the backyard or side yard area and not in front of the existing home. A new detached accessory unit is limited to 1,000 sf in Thousand Oaks, while an addition attached to an existing home is limited to 50% of the size of the existing home...

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Garage Conversions

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A garage conversion is the most cost-effective option because the basic structure already exists. The downside is the limitation in size – most two-car garages in Thousand Oaks are only 300-400 square feet.

A new accessory dwelling unit in Thousand Oaks must be at least 10’ away from the existing house and garage or it must be attached to either. Also, a new unit must be at least 4’ from both the rear and side property lines. A garage conversion into a living space in Thousand Oaks, however, does NOT need to meet these setback requirements.

What's our background?

Thousand Oaks ADU Builders was built on three fundamental pillars: Quality, Reliability, and Affordability. We strive daily to provide exceptional craftsmanship to homeowners in Thousand Oaks, represent the construction industry with honesty and integrity, and provide services that are competitive in the marketplace.


Years Experience


Square feet Built




Construction Experience

Our Services

We Offer a Range of Services for our Clients Needs...

Pre - Construction

Attached ADU's

Detached ADU's

Garage Conversions

Site Management

What We do

Our Projects

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