A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Marina del Rey, CA
Most ADU and addition projects in Marina del Rey come down to three things: a tight lot, coastal air, and a homeowner who wants the price nailed down before the first permit is pulled. As an ADU company serving Marina del Rey, we handle that by putting every estimate in writing, showing you exactly which prefab brand fits your lot, and keeping the same crew on your job from demo to final walkthrough. Whether you’re planning a detached ADU behind a beach bungalow or a second-story addition on a marina-facing home, call (903) 568-7222 and you’ll get a real person and a real number.
Why Marina del Rey Homes Are Different
Marina del Rey housing stock runs from 1960s and 1970s single-story homes near the channels to newer townhomes and condos around Admiralty Way and Via Marina. What that means for ADU work: many older lots were platted before today’s setback rules existed, so the buildable footprint often sits closer to the side property line than modern code assumes. We measure the actual lot before we quote, and we’ve seen enough Marina del Rey parcels to know the difference between what the county record says and what the fence line actually does.
The coastal air is a second factor. Salt and humidity shorten the life of untreated wood siding, cheap flashing, and exposed fasteners within a few years of installation. That’s why we default to James Hardie cladding and stainless or coated hardware on exterior work near the water. The soil near the marina also trends sandy and drains fast, which changes how we size footings and anchor a foundation. None of this is exotic – it just means a Marina del Rey ADU quote has to account for a few local conditions that a generic inland bid will miss.
Our Main Marina del Rey Services
Three jobs account for nearly every call we take in Marina del Rey: building a new detached ADU, adding square footage to the main house, and converting or extending a single room. Each one has its own Marina del Rey page with pricing, timelines, and what to expect.
ADU Builders in Marina del Rey
A detached ADU on a Marina del Rey lot typically runs 400 to 1,200 square feet, and the first decision is whether to go prefab or site-built. We’re authorized to build with Abodu, Cover, and Dvele, which means you can compare a factory-built option against a custom-framed unit before you commit. Setbacks and parking requirements vary by parcel, so we pull the property report before we price anything. Full details, including real dollar ranges, are on our ADU Builders in Marina del Rey page.
Home Addition Contractor in Marina del Rey
Adding a second story or bumping out the back of a Marina del Rey home usually triggers both structural engineering and HOA or LA County coastal review depending on the exact address. We’ve worked on additions along Washington Boulevard and in the Silver Strand area, where narrow side yards and existing rooflines shape what’s possible. The written price we give before work starts includes the engineering, permits, and finishes – there’s no after-the-fact line item. See the Home Addition Contractor in Marina del Rey page for scope examples and costs.
Room Addition Contractor in Marina del Rey
A single room addition is usually the fastest way to add a bedroom, office, or rental suite without disturbing the rest of the house. In Marina del Rey, the most common request is a primary-suite bump-out or a garage conversion into a legal bedroom. Since ADU and JADU rules in California allow certain garage conversions, we check both paths and tell you which one is cheaper to permit. Room-specific pricing and timelines are on our Room Addition Contractor in Marina del Rey 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 Marina del Rey
We build with Abodu, Cover, and Dvele prefab ADU systems, and we install James Hardie siding and trim on both prefab and site-built projects. Local supply runs are quick, so a panel replacement or a cladding change doesn’t stall your schedule. See our brands for what each manufacturer offers.
Pricing for ADU Company in Marina del Rey, CA
| Service | Typical range in Marina del Rey |
|---|---|
| Detached ADU (prefab, 400-600 sq ft) | $180,000 – $260,000 |
| Detached ADU (site-built, 400-600 sq ft) | $210,000 – $310,000 |
| Detached ADU (site-built, 750-1,200 sq ft) | $290,000 – $430,000 |
| Garage conversion ADU (300-500 sq ft) | $95,000 – $145,000 |
| JADU (attached junior unit, up to 500 sq ft) | $80,000 – $130,000 |
| Second-story home addition | $250,000 – $450,000 |
| Ground-level bump-out addition (200-400 sq ft) | $110,000 – $190,000 |
| Primary suite room addition (250-400 sq ft) | $90,000 – $160,000 |
| Bedroom or office room addition (150-300 sq ft) | $70,000 – $120,000 |
| Garage conversion to living space | $60,000 – $110,000 |
What pushes Marina del Rey prices toward the top of those ranges: sandy soil that needs deeper footings, coastal moisture that justifies upgraded cladding and flashing, and HOA or coastal-review fees on certain parcels. Every quote we give is a written, line-item price before work starts – no change orders slid in mid-job.
Neighborhoods We Serve in Marina del Rey
We cover the full Marina del Rey area, from the homes off Washington Boulevard to the side streets near the marina and the neighborhoods east of Lincoln Boulevard.
- Silver Strand
- Oxford Triangle
- Marina Peninsula
- The Village (east of Via Marina)
- Glencoe / Maxella area
For most Marina del Rey estimates we can have a crew member on site within a few business days to measure the lot and confirm access.
Service Area – Cities Near Marina del Rey
We regularly work in the neighboring communities around Marina del Rey. If your property is in Venice, CA, Culver City, CA, Santa Monica, CA, or El Segundo, CA, the same written-price process and guarantee apply.
Serving Marina del Rey, CA - Our Local Coverage Area
We’re based in the Marina del Rey 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 Marina del Rey
Most Marina del Rey estimates can be scheduled within a few business days. We confirm a live arrival time, send the background-checked technician’s name and photo beforehand, and follow the site visit with a written price within 48 hours. Call (903) 568-7222 to set a time.
Some Marina del Rey parcels are inside HOAs or the California Coastal Zone, which can add a review step beyond standard city permitting. We check the parcel’s status before quoting, include any HOA or coastal fees in the written price, and handle the required applications on your behalf.
No. The price we hand you before work starts is the price you pay unless you change the scope. Our 365-Day Done Right Promise then covers the work for a full year after completion, in writing. For an exact quote on a Marina del Rey ADU or addition, call (903) 568-7222 – estimates are free and the number goes to a live person, not a voicemail tree.
If you’re weighing an ADU, a home addition, or a room addition in Marina del Rey, the fastest way to a real number is a ten-minute phone call. Reach us at (903) 568-7222 and we’ll schedule your free on-site estimate, walk you through the prefab and site-built options, and put every dollar on paper before you decide.
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 Marina del Rey Customers Say
"Booked a consult online and met the project manager two days later. Weekly progress updates arrived by text with photos. ADU finished on schedule."
- Hannah W."Clean, quiet crew. They respected the neighbors, kept noise to working hours, and swept the driveway every evening."
- Hope C."Communication was the best part. I always knew what was happening that week without having to ask."
- Dolly N.
