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(805) 864-5399 ext: 760
Schedule ADU Consultation (805) 864-5399 ext: 760

Camarillo ADUs

Everything about building Accessory Dwelling Units in Camarillo, CA

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Camarillo ADU Guidelines Last Updated 10/13/20

The city government of Camarillo will approve ADUs under California's statewide mandated regulations.
The California Building Code (CBC) 2019 is adopted.


City Hint: The city permitted a total of 8 ADU projects in the past year of 2019, which is below the average compared to other cities in California.

Number of ADUs allowed:

Single-family lots may have one ADU; however, may have two ADUs only with a junior ADU and detached ADU combination. Multi-family lots may have two detached ADUs, plus attached ADUs equal to 25% of the multi-family units

Types of ADUs allowed:

Detached ADU, Attached ADU, Junior ADU are permitted. ADUs may be new construction or converted from existing space. JADUs must be converted from existing space.

Lot size:

Single family and multi-family residential lots will not be subject to the minimum lot size of the underlying zoning district or by ordinance for Accessory Dwelling Unit (ADU) projects. ~ AB68

ADU size:

ADUs with one bedroom or less can be up to 850 square feet. ADUs with two or more bedrooms can be up to 1,000 square feet on lots smaller than one acre and up to 1,200 square feet on lots one acre or larger. Junior ADUs are limited to 500 square feet. Detached ADUs are limited to 800 square feet when combined with a junior ADU.


ADUs are subject to the same front yard setbacks as the primary residence. Side and rear yard setbacks are four feet


Parking: One on-site parking space is required per attached ADU, detached ADU, and existing non-habitable structure that is converted into an ADU. Garage conversion does not require replacement parking for the residence. Required parking may be uncovered and may be tandem in a driveway. No parking is required for internal and junior ADUs. Parking is not required for ADUs located within 1/2 mile of public transit

Fire Safety:

Accessory dwelling units shall not be required to provide fire sprinklers unless they are also required for the primary dwelling. ~ State Standards

Shape, materials and style:

Design, colors, materials, and textures of ADUs must be compatible with the primary dwelling units


Attached, internal, and junior ADUs have the same maximum height limit as the primary dwelling unit. Detached ADUs are limited to 16 feet.

Design review:

The municipality shall provide a ministerial review process which is not based on a discretionary approval for an ADU. The process shall take no less than 120 days. Valid applications submitted for ADUs, if not approved or denied within 120 days from submission, shall be considered approved. ~ State Standards

Zone Clearance is required for all ADUs. Additionally, a Plan Review is required for attached ADUs over 16 feet in height

Number of Bedrooms:

No maximum number of bedrooms is established other than that implied by the maximum size of an ADU allowed. ~ State Standards


Property owner must live in either the primary dwelling unit or the junior ADU. Owner-occupancy is not required for attached, internal, and detached ADUs, if the ADU is approved between 1/1/2020 and 12/31/2024. Rental period must be longer than 30 consecutive days if an ADU is rented.
ADUs cannot be sold separately from the primary dwelling units.

Utility connections:

Connection and utility fees shall be reasonable, and shall not be disproportionately higher than those to develop primary dwellings, so as not to deter the development of ADUs. If a private sewage disposal system is used, such as a septic system, review and approval by a local health officer may be required. ~ State Standards

Allowed Zones:

*** Beginning in 2020, according to state law, all residential zoning districts, including single-family and multi-family, are allowed to build Accessory Dwelling Units. ***

Attached is a copy of a handout showing the requirements for an ADU for residential zones. The list of the zoning district shown above has commercial, mixed use, and open space which we do not allow ADU’s.

Residential Building Code:

The California Building Code (CBC) 2019 is adopted.

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ADU Design Library

Browse hundreds of models to find the right fit for your property.

ADU Model 768 sqft

W 32 ft L 24 ft

ADU Model 676 sqft

W 26 ft L 26 ft

ADU Model 536 sqft

W 30 ft L 22 ft

Customer Reviews

"Housable has been a great resource regarding my ADU project. I purchased both the Property and Design Reports. In both cases, they delivered as promised and on time."

Ed in Corona, CA

"The property report was great! Made me feel like my project is feasible."

Alexandria in Santa Ana, CA

"My experience with Housable was exceptional. The team was extremely helpful and responsive. I am very satisfied and happy to have used these services. As a home owner I do not know the construction lingo or process but the Housable team very kind and helpful and patient with me. My expectations were exceeded. Thank you for everything."

Monica H. in Oakland, CA

Complete 5-Step Process

Browse hundreds of permit-ready ADU designs and order one to customize to your needs.
Connect with local contractors to get site visits and cost estimates for your project.
Mark up changes to your plans and provide critical info needed to permit your project.
Finalize your project blueprints to submit for building permits.
Select your contractor and build your project.

What our customers say:

Customer Reviews

"My permits were APPROVED, thank you for all your hard work. I am in the process of meeting with contractors. "

Mary S. in San Jose, CA

"I just wanted to let you know that the permit process has been completed and we are currently in the construction phase. The work you guys did was great and I will definitely be using this service again in the future. I will keep you guys updated on anything important. Thanks!"

Patrick L. in Orange County, CA

Detached ADU - Completed in 2020
1,003 sq. ft., 3 bed, 2 bath

Estimate Your ADU Potential
Costs / ROI



* upon completion of ADU


* based on local average price per sqft


* estimated by location


* 30 years / 5% interest rate / 20% down payment


Size: 500 sqft


Appreciation Estimate = (Base Value: $) / (Home's Living Space: sqft) * (ADU's Living Space: sqft)

Rental Estimate = (Rent Per Sqft: $3.15) * (ADU's Living Space: sqft)

Check your property's zoning, browse designs & get contractor estimates for your ADU project:

Everything you need to get accurate estimates from contractors for your ADU project. Get help with ADU feasibility, design, permitting and sourcing contractors for your project in one place.

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Housable is providing information about specific properties that is furnished to users as a good-faith estimate of the development potential of a property. You should not in any way base your development, investments, or other financial decisions on this information. We strongly advise you to consult with an industry professional, such as a lender, realtor, contractor, or architect, who is sufficiently licensed and insured in their field, and who can work with you individually to confirm all requirements before moving forward with any real estate development or investment.