ADU Builder
Ventura County
Licensed ADU builder in Ventura County, CA. We handle permits, design, and construction for detached ADUs, garage conversions, and attached units — turnkey, on budget, no surprises.
Ventura County's Trusted ADU Contractor
Ventura Stone Construction is a licensed general contractor and ADU builder serving all of Ventura County, CA. We specialize in detached ADUs, attached ADUs, and garage conversions in Ventura, Thousand Oaks, Oxnard, Camarillo, Moorpark, Simi Valley, Newbury Park, and Santa Barbara.
Our ADU construction process is fully managed — one ADU contractor handles permits, design, engineering, construction, and final inspection. No subcontractor confusion, no hidden fees.
Whether you need a detached ADU in Thousand Oaks, a garage conversion in Camarillo, or an attached unit in Oxnard, Ventura Stone Construction delivers rental-ready ADU builds with luxury finishes throughout Ventura County.
Turnkey ADU Construction
Permit & entitlement management
Custom ADU design
Detached & attached units
Garage conversions
Premium finishes & fixtures
Rental-ready turnkey builds
Utility connections & hookups
Landscaping & site work
ADU Builder Across Ventura County
Our ADU contractor team serves all of Ventura County, CA — licensed, insured, and experienced in local permit requirements.
Ventura
ADU builder in Ventura, CA — detached units, garage conversions, and attached ADUs built to luxury standards.
Thousand Oaks
ADU contractor in Thousand Oaks — full permit management and turnkey ADU construction.
Oxnard
ADU builder in Oxnard, CA — licensed general contractor handling design, permits, and build.
Camarillo
ADU construction in Camarillo — rental-ready accessory dwelling units built on time and on budget.
Moorpark
ADU builder in Moorpark, CA — detached and attached units with no hidden fees.
Simi Valley
ADU contractor in Simi Valley — garage conversions and new ADU builds by an experienced team.
Newbury Park
ADU construction in Newbury Park — premium finishes and full project management.
Santa Barbara
ADU builder in Santa Barbara, CA — luxury accessory dwelling units designed and built to code.
ADU Builder Questions
How long does it take to build an ADU in Ventura County?
An ADU build in Ventura County typically takes 4–8 months from permit approval to final inspection. Garage conversions can be faster at 2–4 months. We manage the entire timeline as your licensed general contractor.
Do you handle ADU permits in Ventura County?
Yes. As a licensed ADU builder in Ventura County, we manage all permit applications, plan checks, and inspections for your accessory dwelling unit — detached, attached, or garage conversion.
How much does an ADU cost in Ventura County, CA?
ADU construction in Ventura County typically ranges from $150,000 to $350,000+ depending on size, type, and finishes. Garage conversions start lower. We provide a detailed, itemized quote with no hidden fees.
Can I rent out my ADU in Ventura County?
Yes — ADUs in Ventura County can be rented as long-term or short-term rentals. We build rental-ready ADUs with separate entrances, full kitchens, and all required utilities.
More from Ventura Stone Construction
"Ventura Stone handled our ADU from permits to final walkthrough. The process was seamless and the unit is beautiful."
— Verified Customer, Oxnard, CA
Ready to Build Your ADU?
Free consultation for ADU construction in Ventura County. We handle permits, design, and build — no hidden fees.