A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Camarillo, CA
Most Camarillo homeowners adding an ADU or room addition will spend between $180,000 and $320,000 for a detached unit before site work, with garage conversions typically running $90,000 to $170,000. The big Camarillo-specific variable is your lot: much of the city sits on older grading with expansive soils, which means foundation work often costs more here than in Oxnard’s flatter, sandier ground. If you’re planning an accessory dwelling unit in Camarillo, call us at (472) 248-8213 and we’ll walk you through what your specific parcel will actually require.
Why Camarillo Homes Are Different
Camarillo’s housing stock splits into two very different builds: the mid-century ranch homes concentrated in the Las Posas corridor and Mission Oaks area, and the newer tract developments spreading through the Village at the Park and Springville neighborhoods. Ranch-era homes from the 1950s and 60s almost always carry older 100-amp electrical panels and cast-iron drain lines, which means a garage conversion ADU here frequently includes panel and sewer work that a newer Springville home might skip entirely.
The climate matters too. Camarillo sits far enough inland that summer afternoons hit the high 80s while mornings stay cool, so we spec insulation and window packages differently than we would for a coastal Oxnard build. And because the city is bordered by Cal State Channel Islands, Point Mugu, and active agricultural parcels, many homeowners in the Santa Rosa Valley and adjacent Camarillo Heights areas are working with larger lots that trigger deeper setbacks and different stormwater requirements. If your property falls within view corridors near the Camarillo Ranch or along the Adolfo corridor, expect a design review step before permits move.
Our Main Camarillo Services
These are the three services Camarillo homeowners call us about most, each linked to its own page with deeper detail on scope, pricing, and timelines.
Home Addition Contractor in Camarillo
Most Camarillo home additions we quote are ground-up bedroom-and-bathroom extensions to ranch-era houses in the Las Posas and Mission Oaks neighborhoods, where the original floor plan simply runs out of room. These jobs almost always require foundation work on expansive soil, which we price explicitly up front. We also handle permitted additions in the newer Springville tracts. If you’re weighing an addition against moving, see the full breakdown on our Home Addition Contractor in Camarillo page.
ADU Builders in Camarillo
Detached ADUs in Camarillo run the full range, from 480-square-foot one-bedroom units to 1,200-square-foot two-story builds. Camarillo’s ADU ordinance follows state law closely, which means most single-family lots can add a detached unit without a zone change, but your specific setback and height limits depend on the neighborhood. We work with prefab lines like Boxabl and Cover when the lot allows a fast site delivery, and we do stick-built in the Camarillo Heights and Santa Rosa Valley areas where the terrain requires it. Full scope and pricing on the ADU Builders in Camarillo page.
Room Addition Contractor in Camarillo
A room addition in Camarillo is usually one of two things: converting an enclosed patio or bumping out a family room in a Mission Oaks ranch, or finishing a bonus space above the garage in a Springville or Village at the Park build. The patio conversions often hide drainage and slab problems, so we open the walls before we commit to a fixed price. For a complete walkthrough of what a Camarillo room addition actually involves, see the Room Addition Contractor in Camarillo page.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Camarillo
We service and install Dvele, Cover, and Mighty Buildings systems in Camarillo, along with Boxabl units where the lot dimensions make sense. Parts and panels for these brands are stocked at our regional yard, and most warranty follow-ups are handled within a week of the call. See our brands page for the full line.
Pricing for ADU Company in Camarillo, CA
| Service | Typical range in Camarillo |
|---|---|
| Detached ADU, 480 – 800 sq ft | $180,000 – $320,000 |
| Detached ADU, 800 – 1,200 sq ft | $300,000 – $450,000+ |
| Garage conversion ADU | $90,000 – $170,000 |
| Prefab ADU (Abodu, Boxabl, Cover, Dvele) | $150,000 – $300,000 |
| Room addition, 200 – 500 sq ft | $70,000 – $160,000 |
| Room addition, 500 – 800 sq ft | $140,000 – $240,000 |
| Foundation work on expansive soil | Adds $8,000 – $35,000 depending on soil report |
| Electrical panel upgrade (100A to 200A) | $3,500 – $6,500 |
What pushes a Camarillo quote higher is usually the soil report: parcels in the older Las Posas corridor frequently require deeper footings or full foundation replacement that newer Springville tracts don’t. The second biggest driver is permit and design review time along the Adolfo corridor and near the Camarillo Ranch view corridors. Whatever the number, you get it in writing before we lift a tool, and it doesn’t change unless you change the scope.
Neighborhoods We Serve in Camarillo
We work across Camarillo, from the older Las Posas and Mission Oaks neighborhoods to newer tracts in Springville and Village at the Park. We also serve the semi-rural edges of Camarillo Heights and Santa Rosa Valley, where driveways and access roads add a layer to scheduling. Our crews are typically on-site within three to five days for an estimate anywhere in the Camarillo area.
- Mission Oaks
- Las Posas corridor
- Springville
- Village at the Park
- Camarillo Heights and Santa Rosa Valley
Service Area – Cities Near Camarillo
We serve Camarillo and the surrounding Ventura County communities. If you’re in Somis, CA, Oxnard, CA, Newbury Park, CA, or Santa Paula, CA, our crews cover those areas too, with scheduling handled from the same Camarillo-area dispatch line.
Serving Camarillo, CA - Our Local Coverage Area
We’re based in the Camarillo area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About ADU Company in Camarillo
Yes. We pull all required permits through the City of Camarillo and manage the submittal package for your design review if one applies. HOAs are your responsibility, but we’ll prepare the plans and elevation drawings your HOA board wants to see. Call (472) 248-8213 and we’ll tell you what your specific project triggers.
We can usually get a team out for an estimate within three to five business days anywhere in Camarillo. Build starts depend on permit review timelines, which currently run four to ten weeks for most ADU and addition applications in the city.
We do. Work in unincorporated Ventura County, including parts of Santa Rosa Valley and the Camarillo Heights periphery, goes through county permitting instead of city review, which can add time but not complexity to your job. Call (472) 248-8213 and we’ll confirm which jurisdiction covers your address.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Camarillo Customers Say
"Itemized estimate with allowances laid out. Final cost was within a hair of the quote."
- Naomi R."Backyard ADU for my mother. The project manager showed ID and walked me through the permit steps, the foundation plan, and the schedule. Moved her in on time."
- Margaret C."Insulated the walls and ceiling properly. It stays comfortable even in July."
- Tamika W.
