ADU Company in Oxnard, CA
An ADU in Oxnard isn’t usually a rental play. It’s a place for Mom, an adult child, or a grandchild. The city’s multigenerational households – rooted in the strawberry and citrus farming families that built Oxnard – are the engine behind most accessory dwelling unit projects here, and that changes how we quote, design, and permit every job. We’re Lodgewick ADU Builders, part of the Kingswell family, and we work the Oxnard soil conditions, the salt air, and the Coastal Zone rules every week. Call us at (254) 602-5618 and we’ll give you a written price before anything gets built.
Why Oxnard Homes Are Different
Most of Oxnard’s housing stock went up between the 1950s and 1970s: single-story ranch tract homes on flat, generous lots with attached or detached two-car garages. Those garages are often the single best ADU candidate in town – the slab’s poured, the roof’s on, and the electrical’s already run to the structure. Blocks closer to downtown are a different animal: early-1900s Craftsman bungalows on narrow lots, where rear-yard setbacks and lot-coverage limits squeeze ADU placement tighter than most homeowners expect.
Then there’s the climate. Oxnard gets more fog and salt exposure than nearly any city in Southern California. The marine layer rolls in off the Pacific and hangs over the coastal flats, which means any ADU we build needs corrosion-resistant fasteners, fiber-cement or stucco exteriors, and aluminum-clad windows. Same structure ten miles inland in Camarillo gets standard hardware. Oxnard gets the upgraded spec. On the positive side, frost is basically nonexistent, so we build year-round without weather shutdowns, and a single mini-split heat pump usually handles the whole mechanical load.
Our Main Oxnard Services
Oxnard homeowners call us most often for three things: building a new detached ADU in the backyard, converting a garage into living space, and adding square footage to the main house. Each has its own dedicated Oxnard page below.
Home Addition Contractor in Oxnard
A home addition in Oxnard means matching 1950s ranch framing to modern shear-wall code while keeping the roofline clean and the stucco texture close enough that neighbors can’t spot the seam. On coastal-zone properties like Hollywood Beach, even a modest bump-out can trigger Coastal Development Permit review if it changes the footprint. We handle that paperwork before it becomes a mid-project stall. Home Addition Contractor in Oxnard

Garage Conversion Contractor in Oxnard
Oxnard’s two-car attached garages from the post-war boom are ideal conversion candidates, but the details separate a good job from a headache. We re-level old slabs, upgrade the electrical panel, insulate walls that were never insulated, and rebuild the garage door opening into something that looks original. Coastal-zone conversions in neighborhoods like Mandalay Shores face a dual-approval process, and we front-load that paperwork so the building permit isn’t waiting on a CDP. Garage Conversion Contractor in Oxnard

ADU Builders in Oxnard
Most Oxnard ADU projects are family-housing plays: a casita for aging parents, a starter unit for an adult kid priced out of Oxnard rents, or a JADU carved from the main house. The motivation changes the design conversation – these aren’t income properties, so we prioritize privacy, sound separation, and a separate entrance over rental-market bells and whistles. For lot-constrained properties near downtown, prefab options from Abodu and Boxabl sometimes beat stick-built on cost and speed. ADU Builders in Oxnard

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 Oxnard
We work with the ADU and building product brands that hold up to salt air: James Hardie siding, Abodu prefab units, Cover, and Dvele. We stock common James Hardie trim profiles locally and know which prefab models clear Oxnard’s coastal overlay rules. See our brands for the full list.
Pricing for ADU Company in Oxnard, CA
| Service | Typical range in Oxnard |
|---|---|
| Detached ADU (new build, full scope) | $180,000 – $320,000 |
| Attached ADU / JADU | $120,000 – $220,000 |
| Garage conversion to ADU | $95,000 – $175,000 |
| Prefab ADU (Abodu, Boxabl, Dvele) | $140,000 – $290,000 installed |
| Home addition (single room bump-out) | $65,000 – $140,000 |
| Home addition (full wing, 400 – 800 sq ft) | $180,000 – $350,000 |
| Kitchen addition | $80,000 – $160,000 |
| Primary suite addition | $90,000 – $190,000 |
| Fiber-cement siding (ADU exterior, James Hardie) | $14 – $22 per sq ft |
| Mini-split HVAC for ADU | $4,500 – $9,500 |
Costs in Oxnard push up when coastal-zone permits enter the picture, when old ranch slabs need significant re-leveling, or when corrosion-resistant exterior materials replace standard ones. What they never do is change after we start: the written price we give you before permits are pulled is the price you pay. No change orders, no door-knock surprises.
Neighborhoods We Serve in Oxnard
We work all over Oxnard, from the beach-side communities to the inland ranch tracts. Our teams stage from a local Oxnard hub, so the typical drive to any job in the city stays short.
- Hollywood Beach
- Mandalay Shores
- Riverpark
- Downtown Oxnard
- South Oxnard
Service Area – Cities Near Oxnard
Our Oxnard crews also run jobs in nearby Ventura County cities. Homeowners in Port Hueneme, CA and Camarillo, CA regularly call us for the same ADU and conversion work. We also serve Somis, CA and Santa Paula, CA. If you’re not sure whether we cover your street, call (254) 602-5618 – a live person will tell you either way.
Serving Oxnard, CA - Our Local Coverage Area
We’re based in the Oxnard 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 Oxnard
Plan for 6 to 10 months from first drawing to final inspection for a stick-built ADU in Oxnard. Coastal-zone projects in Hollywood Beach or Mandalay Shores add 6 to 12 weeks for Coastal Development Permit review before the building permit can even be pulled. Prefab ADUs can shorten on-site construction to a few weeks, but the permit timeline stays the same. Call (254) 602-5618 for a schedule estimate specific to your street.
Yes, if your property sits in the California Coastal Zone, which includes Hollywood Beach, Mandalay Shores, and the Channel Islands Harbor area. Oxnard’s certified Local Coastal Program requires a Coastal Development Permit on top of the standard ADU building permit. Homes in Riverpark or South Oxnard are outside the Coastal Zone and skip that step entirely. Call (254) 602-5618 and we’ll check your parcel before you commit.
We pull every permit – building, CDP if you’re in the Coastal Zone, plus any electrical, plumbing, or mechanical sub-permits. That includes handling the plan checks and any corrections Oxnard’s building department sends back. You shouldn’t spend a single afternoon at City Hall on our job. Call (254) 602-5618 to get your project scoped with the permit path mapped out.
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 Oxnard Customers Say
"The ADU came out beautiful and the permitting, which terrified me, was handled start to finish. They kept me updated every week so I was never wondering what was happening."
- Shauna Mills"A whole backyard ADU from scratch. Terrified me going in, but they kept me updated weekly and there were no nasty surprises. Quality work and a fair price."
- Noreen Fletcher"Built a backyard unit for my mother in law. They handled the permits, gave me a real timeline, and stuck to it within a few days. The written price is what we paid, which anyone who's done construction knows is rare."
- Dennis Fairchild