







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable ADU Builders Across Port Hueneme
Building an ADU in Port Hueneme comes with a wrinkle most California cities don’t have: nearly the entire city sits inside the Coastal Zone, which means any accessory dwelling unit south of Hueneme Road triggers California Coastal Commission review on top of city permitting. That single fact changes your timeline, your budget, and which prefab brands make sense. Our ADU Builders team has worked through that exact permitting sequence on lots from Surfside to the Hueneme Bay tract, and we’ll walk you through it before you spend a dollar. Call (831) 230-7250 to get a written price and an honest calendar for your Port Hueneme lot.
Most Port Hueneme homeowners start this process with two questions: how much, and how long. The short answer is that a backyard ADU here typically runs $180,000 to $340,000 for a ground-up 400 to 800 square foot unit, and if you’re south of Hueneme Road, plan for an extra 6 to 10 weeks of permitting compared to Oxnard. We’ll break down exactly why below.
Why Lodgewick ADU Ventura Is Port Hueneme’s Preferred ADU Builders Company

Lodgewick ADU Ventura is part of the Kingswell family of home-service companies, established in 2010, and led here by Russ Delmar. Every project we take in Port Hueneme operates under The Kingswell Guarantee: a written price before work begins, a defined arrival window, a clean job site, and a written guarantee on every build, with a free return visit if the work fails within the 365-day guarantee period. That promise is in writing on every Port Hueneme project, not buried in a sales pitch.
What separates us from most ADU contractors working Port Hueneme is how we handle the Coastal Zone. We sequence the Coastal Development Permit application first, then hold demolition or excavation until the appeal window closes. That sequencing is why our Port Hueneme projects don’t hit stop-work orders. Homeowners near Hueneme Beach, along Surfside Drive, and in the tracts off Ventura Road have seen the difference this makes: a 90-day city review clock that actually stays on schedule.
Every call to (831) 230-7250 is answered by a live person, 24 hours a day. When you have a question about your permit status or a change order, you get Russ or someone on his Port Hueneme crew, not a voicemail loop.
Backyard ADU in Port Hueneme
A Backyard ADU in Port Hueneme is a detached accessory dwelling unit built in the rear yard of your existing home, and here it almost always means engaging with Coastal Zone rules before you can pour concrete. On a compact lot near Hueneme Beach, our crew framed a 420 square foot backyard ADU with James Hardie siding; because the parcel sits inside the Coastal Zone, we sequenced the Coastal Development Permit first and poured footings only after the CCC appeal window closed, keeping the project on the city’s 90-day review clock and avoiding a stop-work order. That’s the kind of sequencing that keeps Port Hueneme projects moving.
A ground-up backyard ADU in Port Hueneme typically runs $180,000 to $340,000 depending on square footage, foundation conditions, and finish level. Coastal Zone compliance adds 6 to 10 weeks and roughly $8,000 to $15,000 in additional permit and design work compared to a similar build in Oxnard or Camarillo. You should know that number before you sign anything.
Coastal Zone Sequencing
South of Hueneme Road, the California Coastal Commission has jurisdiction. That means your ADU needs a Coastal Development Permit before the city will even review your building plans. We file the CDP application first and don’t schedule any site work until the appeal window closes. It sounds obvious, but we regularly meet Port Hueneme homeowners whose previous contractor started demolition early and got hit with a stop-work order.
Lot Coverage and Setbacks
Port Hueneme’s zoning code applies lot coverage and setback overlays that many contractors miss when they quote a backyard ADU. We pull the specific lot’s overlays during the estimate, not after plan check. Port Hueneme homeowners deserve a quote that reflects what the city will actually approve. Otherwise you pay for a redesign you didn’t budget for.
ADU Construction in Port Hueneme

ADU Construction in Port Hueneme means building an accessory dwelling unit from the ground up on your existing lot, and the sequence of permits and inspections here is different enough from neighboring cities that you want a builder who has done it in this specific zip code. Whether you’re on Surfside Drive, in the tract near Hueneme High School, or off Pleasant Valley Road, the Coastal Zone question comes first. If you’re south of Hueneme Road, the Coastal Development Permit leads the schedule. If you’re north, you’re on a standard city review timeline.
A ground-up ADU construction project in Port Hueneme typically runs $180,000 to $340,000. The honest range matters because Port Hueneme’s updated energy reach code adds costs some quotes omit. If a number looks too good to be true, it probably doesn’t include the HERS rating compliance the city enforces.
Foundation and Soils
Port Hueneme sits on sandy coastal soils, and lots near Hueneme Beach and the harbor require more substantial foundation work than the clay soils you’d see inland toward Somis. We factor soil reports into the written price. When a Port Hueneme lot needs compacted fill or deeper footings, that’s in the quote, not a surprise change order later.
Permits and Inspections
We pull all Port Hueneme city permits, handle the Coastal Commission paperwork where it applies, and schedule every inspection. We don’t ask Port Hueneme homeowners to pull their own permits, and we don’t start work without them. The Kingswell Guarantee includes a written price and written guarantee on every Port Hueneme build.
Trusted Brands We Service in Port Hueneme
Lodgewick ADU Ventura works hands-on with leading ADU manufacturers and materials, which matters in Port Hueneme because Coastal Zone review and energy reach codes make some prefab options a better fit than others. We’ve matched Port Hueneme lots with Cover and Dvele units where the module’s HERS rating already satisfies the city’s updated energy code. For garages and site-built structures, we use James Hardie siding for coastal durability. We don’t push a brand; we match the module to your lot, your budget, and the permit path ahead of you.
Common ADU Builders Problems We See in Port Hueneme Homes
- Scheduling demolition before the Coastal Commission appeal window closes. South of Hueneme Road, the CCC has a 10-day appeal period after the Coastal Development Permit is issued. Tear down a garage before that window ends and you risk a stop-work order from the city.
- Quoting a backyard ADU without checking lot coverage and setback overlays. Port Hueneme’s zoning code is specific tight, and a quote based on a generic Ventura County assumption often fails plan check. The homeowner then pays for a redesign.
- Using a prefab module whose HERS rating misses Port Hueneme’s updated energy reach code. Boxabl and Plant Prefab units can work here, but only if the module’s efficiency rating clears the city’s threshold. Otherwise you’re paying for on-site insulation retrofits.
- Underestimating sandy soil foundation costs near Hueneme Beach. Compacted fill and deeper footings near the coast change the foundation price. A quote that ignores soils ends up with a change order when excavation starts.
Pricing for ADU Builders in Port Hueneme, CA
Here are honest ranges for Port Hueneme specifically. A ground-up backyard ADU of 400 to 800 square feet runs $180,000 to $340,000. A garage conversion typically lands between $90,000 and $160,000. If your lot sits south of Hueneme Road inside the Coastal Zone, add $8,000 to $15,000 for the Coastal Development Permit and related design work. Port Hueneme’s updated energy reach code can add $4,000 to $9,000 in insulation and HERS verification costs that cheaper quotes leave out. We give Port Hueneme homeowners a written, line-item price before work starts, and that price doesn’t change at the door. Call (831) 230-7250 for your free estimate.
We Also Serve Cities Near Port Hueneme
Our crews work regularly in Oxnard, Camarillo, Somis, and Ventura as well. If you’re in one of those cities and considering an ADU, the rules and timelines are different from Port Hueneme, and you should talk to someone who knows your specific city’s permit path. We do.
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 Builders in Port Hueneme
If your Port Hueneme parcel sits south of Hueneme Road, your ADU needs a Coastal Development Permit from the California Coastal Commission before the city reviews your building plans, which typically adds 6 to 10 weeks to your total timeline. North of Hueneme Road, you’re on the city’s standard review clock. Call (831) 230-7250 and we’ll check your specific address against the Coastal Zone map and give you a realistic calendar.
Port Hueneme allows a minimum 4 foot side and rear setback for detached ADUs under 800 square feet, but lot coverage overlays in some tracts, especially near the beach, change what’s actually buildable on your specific parcel. We pull the overlay during the free estimate so your quote reflects what the city will approve. Call (831) 230-7250 for a written price based on your lot, not a guess.
Yes, prefab ADUs like Boxabl, Abodu, Cover, and Dvele can work in Port Hueneme, but only if the module’s HERS rating clears the city’s updated energy reach code, and south of Hueneme Road the Coastal Commission must approve the placement. We verify the module’s energy rating before you commit so you don’t pay for on-site insulation retrofits. Call (831) 230-7250 to go over which prefab makes sense for your Port Hueneme lot.
A ground-up ADU in Port Hueneme typically takes 8 to 12 months from permit application to final inspection, and south of Hueneme Road, add 6 to 10 weeks for the Coastal Development Permit. The build itself is usually 3 to 5 months once permits clear. Call (831) 230-7250 and we’ll give you a month-by-month calendar based on your specific Port Hueneme address.
Port Hueneme does not require owner-occupancy for newly built ADUs, which means you can rent the unit from day one, though short-term rentals under 30 days face separate restrictions. We’ll walk you through the rental rules when we scope your Port Hueneme project. Call (831) 230-7250 for details and a free written estimate.
Schedule Your Free ADU Estimate in Port Hueneme

If you’re considering an ADU in Port Hueneme, the next step is a conversation. We’ll check your address against the Coastal Zone map, pull your lot’s setback and coverage overlays, and give you a written, line-item price for the full project, no pressure, no vague numbers. Russ Delmar leads the Port Hueneme crew and answers the phone when you call. Reach us at (831) 230-7250 to schedule your free estimate.
Written by Russ Delmar, Owner at Lodgewick ADU Ventura, serving Port Hueneme under The Kingswell Guarantee since 2010.




