A Seedling company - serving Thousand Oaks, CA
A quiet residential street with a new ADU behind one of the homes
Camarillo, CA

ADU Company in Camarillo - Design, Permits and Build Under One Contract

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
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🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
A small deck outside a new ADU
The living room inside a new ADU
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
A single-story rear room addition with tall windows and a new patio
An attached garage converted into living space
A new sunroom addition with three walls of windows
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

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ADU Company in Camarillo, CA

Camarillo homeowners looking to add an ADU, convert a garage, or build a home addition are working with a specific kind of property: mid-century ranch homes on generous 6,000 to 8,000 square foot lots. Those lots are the reason detached ADUs work so well here. The climate is mild, the road access is straightforward, and the main complications we see involve mature eucalyptus trees, older setbacks, and drainage patterns that need respect. That is what this page is about. If you would like to talk through your Camarillo property, call (805) 309-3462 and a real person will answer.

Call (805) 309-3462

Why Camarillo Homes Are Different

The bedroom inside a new ADU

Camarillo’s housing stock was largely built between the 1950s and 1980s, and it leans heavily ranch-style and California bungalow with simple gable or hip roofs and wood-frame construction. Those are good bones for ADU work. The rear yards in neighborhoods like Mission Oaks, Las Posas Estates, and the older pockets near Pleasant Valley Road typically have enough depth for a detached unit, but the original setbacks and lot-coverage rules from that era can tighten what is actually buildable.

The mild Mediterranean climate means we do not need to overbuild for extreme cold the way a mountain ADU would. Mild, wet winters and warm, dry summers keep heating and cooling loads modest. What does matter here: Santa Ana winds, which push through the nearby hills and can put real pressure on framing, windows, and roofing details. We design for that. And the wildfire risk in the hillsides around Camarillo influences defensible space and exterior material choices on a surprising number of lots.

The other recurring Camarillo issue is water. Many older homes have mature eucalyptus trees along property lines. Roots push toward any new foundation. Shade keeps moisture in the soil longer than you would expect. Good drainage design and a foundation strategy that accounts for root intrusion are not extras on a Camarillo ADU – they are the difference between a dry, settled structure and one that needs attention within a few years.

Our Main Camarillo Services

The three jobs Camarillo homeowners call us about most are home additions, garage conversions, and detached ADUs. Each has its own Camarillo page with pricing, process details, and specific local considerations.

Home Addition Contractor in Camarillo

A home addition on a Camarillo ranch home usually means extending into the rear or side yard while keeping the rest of the house livable. Our crews protect floors with drop cloths and shoe covers on every visit, and we send a photo of the clean-up before we leave each day – important when your kids and pets still live in the house while we are working. Setbacks and lot coverage on older Camarillo lots can shrink what the city will approve, so we check that before you commit to a design. For a detailed Camarillo breakdown, see our Home Addition Contractor in Camarillo page.

Home Addition Contractor in Camarillo

Garage Conversion Contractor in Camarillo

Converting a garage in Camarillo is often the most cost-effective path to a rental unit or a quiet space for an aging parent. Many two-car garages in this city sit on slabs built decades ago, so we verify the slab, drainage, and electrical service before we frame anything. Attached garage conversions count toward the city’s 50% attached-ADU allowance, which can be the simplest route when a rear-yard ADU would not meet setbacks. Read the full Camarillo breakdown on our Garage Conversion Contractor in Camarillo page.

Garage Conversion Contractor in Camarillo

ADU Builders in Camarillo

A detached ADU in a Camarillo rear yard works because the lots are wide and deep enough to support one without crowding the main home. Mid-century tract layouts usually leave a usable area along the back fence or on the garage side. The variables are drainage, eucalyptus root zones, and wind exposure from the Santa Ana season. We also help Camarillo homeowners compare prefab options like Abodu and Cover against conventional builds, so you choose what fits your lot, not what we prefer to sell. Get the full Camarillo scope on our ADU Builders in Camarillo page.

ADU Builders in Camarillo
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Camarillo

We work hands-on with Abodu, Cover, Dvele, and Mighty Buildings for Camarillo ADU projects. Homeowners who are already researching prefab and modular brands can compare them through us without getting locked into a single product line. See the full list on our brands page.

Pricing for ADU Company in Camarillo, CA

Service Typical range in Camarillo
Detached ADU (prefab, turnkey) $180,000 – $320,000
Detached ADU (conventional build) $220,000 – $400,000
Attached ADU (conventional) $150,000 – $280,000
Garage conversion (full unit) $130,000 – $220,000
Garage conversion (studio only) $90,000 – $160,000
Home addition (one bedroom suite) $110,000 – $200,000
Home addition (two bedrooms) $180,000 – $320,000
Foundation work (root zone or drainage) $8,000 – $25,000

What pushes a Camarillo ADU price up: eucalyptus root zones that require a deeper foundation or a structural slab, drainage retrofits on older lots where water pools after winter rain, and wind-rated window and roof details when the lot sits in a Santa Ana exposure corridor. Whatever the number, you get it in writing before any work starts. That is our practice on every Seedling project.

Neighborhoods We Serve in Camarillo

Our crews work throughout Camarillo, including Mission Oaks, Las Posas Estates, the Pleasant Valley corridor, and the neighborhoods near the 101. Most jobs are scheduled within a two-week window once the design and permit set is approved.

  • Mission Oaks
  • Las Posas Estates
  • Pleasant Valley
  • Central Camarillo
  • Old Town Camarillo

Service Area – Cities Near Camarillo

We also serve homeowners in nearby cities: Moorpark, CA, Thousand Oaks, CA, Westlake Village, CA, and Simi Valley, CA. Dispatch and scheduling are coordinated from our Los Angeles office, and crews work locally in Camarillo and the surrounding area.

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

The bathroom inside a new ADU

Ready to get started? Free estimates · Free in-home estimates response in Camarillo
Call (805) 309-3462

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Camarillo Customers Say

★★★★★ 4.9 from 7+ reviews

"Built a backyard unit for us. For a months long project the crew kept the site remarkably tidy, swept daily, and were respectful of our neighbors and our dog. Beautiful result."

- Charlotte Vey

"They converted our garage and were so mindful that we were living right there through it. Quiet hours respected, site swept, nothing left out where the kids play. Lovely work."

- Eugene Park

"Quality ADU. Communication was good overall, with one quiet stretch during the inspection wait where I had to check in. Once moving again they were tidy and quick to finish."

- Noelle Friedman

How It Works in Camarillo

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Camarillo - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

More ADU services in Camarillo

Every build below starts the same way: a free site visit and a written price.

Getting started with Seedling in Thousand Oaks

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

Book a site visit
A building crew carrying lumber to a backyard ADU site

Your Thousand Oaks team

A local crew that works across Thousand Oaks and the towns around it, to the same written standard as every Seedling location.

Areas we serve
A worker protecting the lawn before an ADU build starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

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