ADU Builder in Oak Park
Safeway Construction is a licensed ADU builder serving Oak Park homeowners who want to add living space, rental income, or multigenerational housing to their property. Based in Simi Valley with quick access to Oak Park via the 101 freeway (Kanan Road exit), we handle every phase of ADU construction from design and permits through move-in day.
Oak Park’s ADU Construction Experts
Accessory dwelling units are one of the smartest investments Oak Park homeowners can make. Whether you want to generate rental income, provide housing for a family member, or add flexible living space, an ADU on your Oak Park property can deliver significant value. California law makes it easier than ever to build ADUs, and Safeway Construction is here to guide you through every step.
We build all types of ADUs for Oak Park homeowners: detached units up to 1,200 square feet, garage conversions, attached additions, and junior ADUs within your existing home. Every ADU we build includes quality finishes, energy-efficient systems, and a thoughtful layout designed to maximize livable space. We handle architectural design, engineering, permits with the County of Ventura Building and Safety Division, and all construction.
About 20 minutes from our Simi Valley headquarters via the 101 freeway. With 20+ years of construction experience and a 5.0-star Google rating, Oak Park homeowners trust Safeway Construction to build ADUs that are done right, on time, and within budget.
ADU Construction Services in Oak Park
Detached ADU Construction
Build a standalone accessory dwelling unit in your Oak Park backyard. Our detached ADUs range from 400 to 1,200 square feet and include full kitchens, bathrooms, living areas, and private entrances. Popular with homeowners in Oak Park (unincorporated), Kanan Road corridor, Lindero Canyon area looking to add rental income or multigenerational living space.
Garage Conversion ADU
Convert your existing garage into a fully permitted ADU at a fraction of the cost of new construction. We handle structural upgrades, insulation, plumbing, electrical, and interior finishing to transform your Oak Park garage into a comfortable living space.
Attached ADU Addition
Add an ADU that connects to your existing home in Oak Park. Attached ADUs share a wall with the main house and can include a separate entrance, kitchen, bathroom, and living area. This option works well when backyard space is limited.
Junior ADU (JADU)
Create a JADU of up to 500 square feet within your existing Oak Park home. Junior ADUs convert existing bedrooms or interior space, require minimal construction, and are permitted under California law for most single-family properties.
ADU Design & Permitting
We manage the complete ADU permitting process with the County of Ventura Building and Safety Division. From initial site assessment and architectural plans through plan check and final inspection, we handle every step so you can focus on the end result.
ADU Interior Finishing
Every Safeway ADU includes quality interior finishing: modern kitchens with quartz countertops, tiled bathrooms, LVP or hardwood flooring, energy-efficient HVAC, and thoughtful layouts that maximize livable space in your Oak Park ADU.
Why Oak Park Homeowners Choose Safeway for ADU Construction
Licensed ADU Specialists
ADU construction involves unique challenges: site assessment, utility connections, separate metering, and navigating California's evolving ADU legislation. Our team has built ADUs across the region and understands the specific requirements for Oak Park properties.
Just Minutes from Oak Park
About 20 minutes from our Simi Valley headquarters via the 101 freeway. You get the responsiveness of a local contractor with the experience of a firm that has been serving the area for over 20 years.
Always Free Estimates
Every Safeway estimate is free — whether you use our instant online tool at SafewayQuickQuote.com or schedule a no-obligation in-home consultation. ADU projects are a major investment, and you deserve to know your costs upfront without paying a consultation fee. We provide detailed, honest estimates at no cost.
Full-Service ADU Builder
We handle everything from architectural design and city permits through construction and final inspection. No subcontractor juggling for you. One team, one contract, one point of contact for your entire Oak Park ADU project.
Oak Park ADU Construction Cost Ranges
ADU Construction costs in Oak Park vary by scope and materials. Here are typical price ranges for projects in the Oak Park area. Get a personalized estimate at SafewayQuickQuote.com.
Garage Conversion
$70,000 - $120,000
Junior ADU (JADU)
$50,000 - $90,000
Small Detached (400 sq ft)
$150,000 - $200,000
Medium Detached (600 sq ft)
$190,000 - $260,000
Large Detached (900+ sq ft)
$250,000 - $350,000
Attached ADU Addition
$160,000 - $250,000
ADU Construction FAQs for Oak Park Homeowners
How much does an ADU cost in Oak Park?
ADU construction costs in Oak Park typically range from $70,000 to $200,000 depending on the type and size. Garage conversions generally cost $70,000 - $120,000, making them the most affordable option. Detached ADUs ranging from 400 to 1,200 square feet typically cost $250,000 - $350,000. Attached ADU additions fall between $160,000 - $250,000. For reference, Ventura County ADU builders generally quote $90,000 to $400,000 depending on size and type, and our pricing is competitive within those ranges. Get a free estimate — online at SafewayQuickQuote.com or by calling (805) 222-6544.
How long does it take to build an ADU in Oak Park?
Building an ADU in Oak Park typically takes 6 to 12 months from design through final inspection. The design and permitting phase takes 2 to 4 months depending on complexity and review times with the County of Ventura Building and Safety Division. Construction of a detached ADU takes 4 to 6 months, while garage conversions can be completed in 2 to 3 months. Oak Park is unincorporated and falls under County of Ventura jurisdiction for building permits, not a city building department. This is an important distinction because the County permitting process and fees differ from neighboring cities like Thousand Oaks and Agoura Hills. Safeway Construction manages every phase of your ADU project from initial design through move-in day.
What types of ADUs can I build in Oak Park?
California law allows several types of ADUs in Oak Park: detached ADUs (standalone structures up to 1,200 sq ft), attached ADUs (additions to your existing home), garage conversion ADUs, and Junior ADUs (JADUs up to 500 sq ft within existing space). Under AB 68 and SB 9, most single-family properties can build at least one ADU. Oak Park is unincorporated and falls under County of Ventura jurisdiction for building permits, not a city building department. This is an important distinction because the County permitting process and fees differ from neighboring cities like Thousand Oaks and Agoura Hills. Safeway Construction helps Oak Park homeowners determine the best ADU type for their property and handles all permitting with the County of Ventura Building and Safety Division.
More Safeway Services in Oak Park
Ready to Start Your Remodel?
Two ways to get started — pick what works for you.
Request a Consultation
Fill out our form or call us. We'll get back to you within one business day.
Get an Instant Estimate
Use our AI tool to get a price range in 2 minutes. No phone call needed.
Try the Instant EstimatorFree. No sign-up required.