A Sutton company - serving Ventura, CA
A quiet residential street with a new ADU behind one of the homes
Port Hueneme, CA

ADU Company in Port Hueneme - Plans, Permits & Build, One Fixed Price

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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Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in Ventura
🛡 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 new sunroom addition with three walls of windows
A second-story addition that matches the existing roofline
A second-story addition with a balcony, matched to the original house
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 Port Hueneme, CA

Port Hueneme homeowners adding an ADU, a room addition, or converting a garage are working with a specific set of conditions: small flat lots, 1940s-to-1970s Ranch and Spanish-style homes, salt air off the Pacific, and a shallow water table. Sutton ADU Builders plans for all of it. The three services we handle in Port Hueneme each have their own page, linked below. If you want to talk through your lot and your numbers first, call (350) 238-1748 and a live person will answer.

Call (350) 238-1748

Why Port Hueneme Homes Are Different

The bedroom inside a new ADU

Port Hueneme’s ADU surge is tied directly to the Navy base and port workforce. You see it on nearly every block: a detached garage becoming a rental, an alley-facing unit tucked behind a 1950s bungalow. The lots are small and flat, which makes for efficient builds, but they leave little room for error on setbacks (the required gap between your new structure and the property line).

The housing stock itself shapes the work. Most homes are single-story Ranch or Spanish-style builds from the 1940s through the 1970s, often with detached garages and narrow side yards. Those garages are prime conversion candidates, but many have original concrete slab floors too thin for living space. We regularly see slabs that need thickening or pier retrofits before framing can start. The coastal marine layer keeps cooling loads low, which helps energy costs, but salt air eats standard exterior fasteners. We spec stainless or coated hardware as a default here, not an upgrade. The shallow water table also means foundation and drainage plans have to be done right the first time.

Our Main Port Hueneme Services

Most Port Hueneme homeowners call us about one of three things: a full home addition, a new detached ADU, or a room addition. Each service has its own Port Hueneme page with pricing, process, and local details.

Home Addition Contractor in Port Hueneme

A home addition in Port Hueneme usually means expanding a small Ranch out toward the side yard or building up over the garage. The flat lots make single-story additions straightforward, but setbacks on narrow parcels often push the design toward a bump-out rather than a full-width extension. We handle permits, foundation, framing, and finish, with a written price locked before work starts. See the full breakdown on our Home Addition Contractor in Port Hueneme page.

Home Addition Contractor in Port Hueneme

ADU Builders in Port Hueneme

Port Hueneme is one of the strongest ADU markets in Ventura County because of the base and port rental demand. Detached units, garage conversions, and alley-facing builds all work here, but the garage-conversion path often needs slab work first. The ADU Builders in Port Hueneme page covers what a build costs, what the city requires, and which prefab lines make sense on a small coastal lot.

ADU Builders in Port Hueneme

Room Addition Contractor in Port Hueneme

A room addition in Port Hueneme typically means a bedroom, an office, or a family room added to a 1950s or 1960s home. We deal with original foundation lines, roof tie-ins on aging framing, and salt-corroded hardware during the tie-in. You can find full pricing and the step-by-step on the Room Addition Contractor in Port Hueneme page.

Room Addition Contractor in Port Hueneme
Need help today?Fast, friendly service and a no-obligation free estimate.

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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 Port Hueneme

We work regularly with James Hardie exterior systems, Abodu and Cover prefab ADUs, and Dvele high-performance panels. Parts and panels for these lines are ordered as soon as your plan is approved, so Port Hueneme builds don’t stall waiting on product. See our brands for the full list.

Pricing for ADU Company in Port Hueneme, CA

Service Typical range in Port Hueneme
Detached ADU (500 – 750 sq ft) $180,000 – $320,000 before site work
Detached ADU (750 – 1,000 sq ft) $250,000 – $400,000 before site work
Garage conversion ADU $90,000 – $180,000 depending on slab work
Home addition (400 – 600 sq ft ground-up) $170,000 – $290,000
Home addition (600 – 900 sq ft ground-up) $240,000 – $390,000
Room addition (200 – 350 sq ft attached) $95,000 – $175,000
Room addition (350 – 500 sq ft attached) $140,000 – $230,000

The biggest price driver in Port Hueneme is slab and foundation work. Undersized 1950s garage slabs, the shallow water table, and drainage requirements near the coast can add $15,000 – $40,000 before framing starts. Whatever the number ends up being, you’ll see it in writing before we lift a tool, and the 365-Day Done Right Promise covers workmanship for a full calendar year after completion.

Neighborhoods We Serve in Port Hueneme

We work across Port Hueneme, from the older blocks near Hueneme Road up to the neighborhoods around Moranda Park and the beach side. Most of our Port Hueneme jobs are within a 10 – 15 minute drive, which keeps scheduling tight and change orders rare.

  • Hueneme Road corridor
  • Moranda Park area
  • Beach side / Surfside
  • Navy housing adjacent blocks

Service Area – Cities Near Port Hueneme

We serve Port Hueneme and the surrounding Ventura County cities with the same written-price, photo-badged crew standard. If you’re just over a city line, we cover Oxnard, CA, Camarillo, CA, Somis, CA, and Ventura, CA as part of our regular service area.

Serving Port Hueneme, CA - Our Local Coverage Area

We’re based in the Port Hueneme 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 Port Hueneme

The bathroom inside a new ADU

Ready to get started? Free estimates · Free on-site estimates response in Port Hueneme
Call (350) 238-1748

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 Port Hueneme Customers Say

★★★★★ 5.0 from 4+ reviews

"They handled the drawings and the permit paperwork for us. All I had to do was pick the finishes."

- Rosa M.

"Straight answers on what we could and couldn't do on our lot."

- Edwin H.

"Insulated the walls and ceiling properly. It stays comfortable even in July."

- Tamika W.

How It Works in Port Hueneme

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 Port Hueneme - 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 Port Hueneme

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

Getting started with Sutton in Ventura

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 Ventura team

A local crew that works across Ventura and the towns around it, to the same written standard as every Sutton 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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