A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Del Aire, CA
ADU construction in Del Aire, CA runs $180 – $340 per square foot depending on whether you go prefab or stick-built, and most projects clear permits in 60 – 120 days. The homes here are mostly compact single-story ranchers on 5,000 – 7,000 square foot lots, which changes how we lay out foundations, manage setbacks, and stage materials. If you’re weighing a garage conversion against a backyard unit, call (361) 315-4177 and we’ll walk you through what fits your specific lot and budget.
Why Del Aire Homes Are Different
Del Aire sits just east of LAX between El Segundo and Hawthorne, and the flight path overhead is a fact of daily life here. That matters for ADU work in two ways: sound attenuation is usually non-negotiable (double-pane windows, insulated walls, solid-core doors), and the Los Angeles County airport land-use rules can add a layer of review depending on where your parcel falls. Most of the housing stock dates from the 1950s and 1960s. That means galvanized supply lines to replace, panels that are already near capacity, and lot dimensions that do not forgive wasted inches.
The unincorporated character of Del Aire also matters. Because the community sits in Los Angeles County rather than inside a city with its own building department, plan checks and inspections run through LA County Public Works and LA County Building & Safety. We handle that process routinely: the paperwork, the corrections, the reinspection scheduling. Homeowners who tried to manage a permit over the counter know it is a different rhythm than neighboring El Segundo or Hawthorne. Del Aire jobs reward contractors who know which questions the plan checker will ask before they ask them.
Our Main Del Aire Services
Most Del Aire homeowners call us about one of three projects: adding a room to the existing footprint, converting a garage into living space, or building a detached ADU in the backyard. Each has its own page on this site, because each has its own permitting path, budget range, and construction sequence in Del Aire specifically.
Room Addition Contractor in Del Aire
Room additions in Del Aire usually mean extending off the back of a rancher where the lot allows. The county setback rules, the existing roofline, and the condition of the current foundation all shape the plan. We pull the permits, run the structural work, and match the new roofline so it does not look bolted on. If the room is for a family member who needs level access, we can adjust thresholds and door widths early in the design. See the full scope and pricing on the Room Addition Contractor in Del Aire page.
Garage Conversion Contractor in Del Aire
Garage conversions are the most common ADU route in Del Aire because the footprint already exists and the foundation is usually sound. The work is less about new framing and more about sealing the building envelope, rerouting HVAC, upgrading the panel if needed, and meeting California’s energy code for converted space. Del Aire garages from the 1950s often have thin slabs and no vapor barrier, so we test and remediate before framing interior walls. Details and line-item pricing are on the Garage Conversion Contractor in Del Aire page.
ADU Builders in Del Aire
A detached backyard ADU in Del Aire gives you a fully separate address, independent utilities, and the most design freedom, but it also means a new foundation, new trenching, and a tighter dance with side- and rear-yard setbacks. We work with prefab platforms like Abodu and Cover where the lot geometry allows, and switch to conventional framing when it does not. The build method decision drives both timeline and price, and we put both in writing before you commit. Full breakdown on the ADU Builders in Del Aire 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 Del Aire
We work regularly with Abodu, Cover, and Dvele for prefab ADUs in Del Aire, plus conventional builds using James Hardie siding. The right platform depends on your lot, your budget, and how fast you need the unit in. See our brands page for a full breakdown of what we build with and why.
Pricing for ADU Company in Del Aire, CA
The table below reflects what we see across Del Aire jobs, based on the build method and scope. These are working ranges before permit fees; your written quote will be exact.
| Service | Typical range in Del Aire |
|---|---|
| Standard ADU construction (stick-built) | $220 – $340 per sq ft |
| Prefab ADU (Abodu, Cover, Dvele) | $180 – $280 per sq ft |
| Garage conversion to living space | $140 – $220 per sq ft |
| Room addition (grade-level, standard finish) | $190 – $300 per sq ft |
| Foundation work (new slab or retrofit) | $12 – $25 per sq ft |
| Electrical panel upgrade (if required) | $2,500 – $5,500 |
| Kitchenette in ADU | $12,000 – $28,000 |
| Full bath in ADU or addition | $15,000 – $35,000 |
| Sound attenuation package (LAX proximity) | $3,000 – $8,000 |
| Site prep, trenching, and utility connections | $6,000 – $18,000 |
Prices in Del Aire climb when the panel is undersized, the sewer lateral needs replacement, or the flight-path noise review pushes you to a higher window spec. Whatever the number, it goes in writing before any work starts, and that is the number on the final invoice.
Neighborhoods We Serve in Del Aire
We run crews through every section of Del Aire, from the streets south of Manchester down to the Rosecrans border, and east from Aviation toward the 405. Response time for estimates is usually within a few days, and the written price comes before any commitment.
- Del Aire Proper (between El Segundo and Hawthorne)
- The Manchester corridor area
- North Del Aire near the school
- East Del Aire toward the 405
- The Rosecrans-adjacent streets
Service Area – Cities Near Del Aire
Fielding ADU Builders serves Del Aire, CA and the surrounding metro. Dispatch and scheduling are coordinated from our Los Angeles office, with crews serving Del Aire locally. We also take on projects in Los Angeles, CA, Long Beach, CA, Anaheim, CA, and Riverside, CA.
Serving Del Aire, CA - Our Local Coverage Area
We’re based in the Del Aire 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 Del Aire
We usually schedule the first walkthrough within a few days of your call. Del Aire is a compact service area for our crews, so we are not juggling long drives between appointments. The written price follows shortly after the site visit.
Del Aire is unincorporated Los Angeles County, so permits and inspections go through LA County Building & Safety rather than a city hall. We prepare the submittal package, respond to plan-check corrections, and schedule every inspection through final sign-off. Call (361) 315-4177 to discuss your site’s specifics.
Yes. Homes under the approach corridor often need upgraded window assemblies and insulation to meet noise standards, and some parcels trigger county airport land-use review. We factor that into the early plan so it does not surprise you mid-project. Call (361) 315-4177 for a free estimate and we will tell you exactly what your parcel requires.
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 Del Aire Customers Say
"Room addition over the back patio. Framing is square, windows are tight, and the roofline matches."
- Danny L."Foundation and slab poured on schedule. Crew kept the yard orderly."
- Marian J."Garage conversion with a new bath and kitchenette. Permit was handled by them. Inspection passed first time."
- Sheila B.
