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
Fielding ADU Builders handles ADU construction, garage conversions, and room additions in Marina del Rey with a written price before any work begins. Coastal lots here run small, setbacks are tight, and coastal-zone permitting adds a review layer most inland contractors never deal with. We work those rules every week, and we back every project with a one-year written guarantee. Call (361) 315-4177 to get a real number in writing.
Why Marina del Rey Homes Are Different
Marina del Rey housing runs to 1960s and 1970s construction on smaller lots, often with stucco exteriors and flat or low-slope roofs. The salt air is the quiet variable: it eats flashing, corrodes hardware, and shortens the life of anything left exposed. We spec corrosion-resistant fasteners and exterior materials that hold up a few hundred yards from the water.
Permitting goes through Los Angeles County coastal-zone review for many parcels, which means an ADU or addition that sails through in Culver City can need extra documentation here. Setback rules get enforced strictly, and some HOAs in the marina-adjacent communities layer their own design-review step on top. We handle the paperwork in order, keep the permit board posted, and tell you before we build whether a variance will be required.
Our Main Marina del Rey Services
Most Marina del Rey homeowners call us about one of three things: adding a room, converting the garage they cannot park in anyway, or building a detached ADU in the backyard. Each has its own page with full pricing and details.
Room Addition Contractor in Marina del Rey
A ground-floor addition in Marina del Rey usually means extending into a side yard that is already tight on setback. We match stucco texture, roofline, and window style so the new section does not read as an afterthought. Coastal moisture means we pay close attention to flashing and sill detailing where new framing meets old. Room Addition Contractor in Marina del Rey
Garage Conversion Contractor in Marina del Rey
Most garages near the marina were built as storage, not living space. That means slab inspection, ceiling-height verification against code, and often re-framing a low roof to make the room legal. We see flat-roof garages with ponding water on a regular basis, and we address drainage before finishing the interior. Garage Conversion Contractor in Marina del Rey
ADU Builders in Marina del Rey
A detached ADU behind a Marina del Rey home has to clear the same coastal review, plus fit within lot coverage limits that leave less buildable ground than owners expect. We work with prefab platforms and conventional framing, and we will tell you which method fits your lot before you spend a dollar on plans. ADU Builders in Marina del Rey
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 install and finish ADUs and additions built on Abodu, Cover, and Dvele platforms, and we frame conventional additions with James Hardie siding where the design calls for it. Our brands page lists what we work with and how turnaround typically runs.
Pricing for ADU Company in Marina del Rey, CA
| Service | Typical range in Marina del Rey |
|---|---|
| Room addition, ground-floor | $180 – $340 per sq ft |
| Room addition, second-story | $240 – $420 per sq ft |
| Garage conversion, attached | $70 – $140 per sq ft |
| Garage conversion, detached | $90 – $160 per sq ft |
| Detached ADU, prefab | $210 – $380 per sq ft |
| Detached ADU, conventional | $280 – $450 per sq ft |
| ADU site preparation | $8,000 – $30,000 |
| ADU foundation and utility rough-in | $25,000 – $70,000 |
| Garage conversion finish work (drywall, paint, trim) | $12,000 – $32,000 |
| Room addition finish work (flooring, paint, millwork) | $18,000 – $45,000 |
Coastal-zone review, HOA design approvals, and tight-lot foundation work push Marina del Rey prices toward the upper end of these ranges. Whatever the number, it goes in writing before we start, and that is the number on the final invoice.
Neighborhoods We Serve in Marina del Rey
We work across Marina del Rey and the surrounding coastal corridor. Most of our jobs are in the residential pockets near the marina, the peninsula, and the eastern edge toward the 405.
- Marina Peninsula
- Silver Strand
- Oxford Triangle
- Marina East
- Westside Village
Response time for estimates in Marina del Rey is typically within a few business days, faster if you call with plans already drawn.
Service Area – Cities Near Marina del Rey
Our Marina del Rey crews also cover nearby coastal and westside cities. If your property is a few blocks over a boundary line, call and we will confirm coverage. We serve Venice, CA, Culver City, CA, Santa Monica, CA, and El Segundo, CA.
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
Many parcels in Marina del Rey fall within the coastal zone, which adds a review layer to standard building permits. We tell you during the estimate whether your address triggers coastal review and how long it typically adds. Call (361) 315-4177 and we will check your parcel before you commit to plans.
Plan check and coastal review in Marina del Rey commonly run four to seven months before the first inspection, depending on scope and HOA involvement. We handle submittals and respond to plan-check comments so the clock runs on the city, not on us. Call (361) 315-4177 for a realistic timeline on your specific lot.
Yes. We serve all residential neighborhoods in Marina del Rey, from the peninsula to the eastern boundary near the 405, and the nearby cities linked above. If you are unsure whether your address falls in our service area, call (361) 315-4177 and a live person will confirm it.
Call (361) 315-4177 to schedule a free estimate. Reed Calloway and the Fielding ADU Builders team will put your price in writing before any work starts.
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
"Garage conversion with a new bath and kitchenette. Permit was handled by them. Inspection passed first time."
- Sheila B."Honest feedback on what the lot could fit. Told me up front what would fit on the lot and what the setbacks would allow."
- Rita C."Clear price breakdown. Change orders were all in writing."
- Hal P.
