







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 Inglewood
Adding an accessory dwelling unit in Inglewood means building under a very specific set of rules, and most of them trace back to the same place: LAX. The flight path changes how high you can build, how much soundproofing you need, and sometimes how long plan check takes. That’s not a reason to skip the project. It’s a reason to hire a builder who already knows the sequence. Sutton ADU Builders has been doing this since 2006, and we walk Inglewood homeowners through the whole thing, from the first line-item estimate to the final inspection. Call (472) 248-8213 and we’ll start with a real scoped price, not a vague number.
We’re the ADU Builders team that sends you a photo and name of every person who’ll step onto your property before they arrive. That matters in Inglewood, where you’re trusting a crew with your backyard, your fence line, and often your side gate for months at a time.
Why Sutton ADU Builders Is Inglewood’s Preferred ADU Builders Company

Most Inglewood lots are shaped like postage stamps: long and narrow, with side setbacks under five feet on older parcels. That’s the first thing we check, because it determines whether a prefab shell actually fits or whether we need a stick-built or custom panelized approach. The second thing we check is the city’s airport-influence overlay. We’ve seen too many homeowners sign a contract, then get a plan-check rejection because the roof height exceeded what the FAA notification review allows without extra steps. We scope that from day one, not after you’ve spent money on drawings.
Our reputation in Inglewood comes from the details. Homeowners near Darby Park, Centinela Heights, and the streets around Rogers Park have hired us because we don’t hand them a mystery crew. Every Sutton technician is background-checked and identity-verified under the Threshold Standard. You get a name and a photo before the visit. At the door, that person shows a photo ID badge. Written price first, always. The 365-Day Done Right Promise covers workmanship for a full year from completion, and if anything fails, the second visit is free. No haggling. That’s the deal, in writing.
Dispatch and scheduling for Inglewood jobs are coordinated from our Los Angeles office, and crews serve Inglewood locally. You’re never calling a call center. A live person answers, 24/7.
Backyard ADU in Inglewood
A Backyard ADU in Inglewood is a detached second home on your existing lot: kitchen, bath, sleeping area, its own address, its own utility hookups. On a typical 5,000 to 6,500 square foot Inglewood parcel, a 400 to 600 square foot one-bedroom unit runs roughly $180,000 to $320,000 before site work, and site work on older Inglewood lots is where the real conversations happen. Sewer line depth, power panel capacity, and whether your garage has an unpermitted conversion that needs legalizing first all move the number.
We built a 600 sq ft backyard ADU for a homeowner near Prairie Ave and 104th St using a Cover panelized shell. The unit had to be craned over a tight side-yard setback, and because the parcel sits inside the LAX noise-impact zone, we upgraded the wall insulation and installed laminated glass to hit the city’s interior noise standard before final inspection passed. One bedroom, one bath, full kitchen, fully permitted as a detached ADU.
Site Access and Crane Work
Inglewood backyards are tight. If the side yard is under eight feet, we plan for a crane or panel-by-panel delivery from the start. We don’t wait until delivery day and hope a truck fits.
Noise Standards and Fenestration
Homes under the flight path have a real interior noise limit in the building code. Laminated glass and upgraded wall assemblies are not optional upgrades in the LAX influence zone. They’re often required to pass inspection.
ADU Construction in Inglewood

ADU Construction in Inglewood means the full sequence: survey, soils, foundation, framing, rough mechanical, insulation, drywall, finishes, and the city’s final walk. A detached unit on a standard Inglewood lot typically takes 6 to 10 months from contract to final inspection, depending on plan check timing. The city’s planning and building departments process a high volume of ADU applications, and anything in the airport review layer adds time.
We tell every customer the same thing: the fastest way to blow a timeline is to start before you know whether the property triggers FAA Part 77 review. In Inglewood, exceeding the single-story default height can trigger notification to the FAA through the city’s plan check process. That’s not a dealbreaker. It’s a step we plan for.
Permit Sequence and Inspections
Inglewood requires building permits, and depending on scope, planning review for setbacks, height, and parking. We pull permits, schedule inspections, and stay on-site through every phase. You don’t chase the city; we do.
Foundation and Utility Scope
Older Inglewood homes often have 100-amp panels that need upgrading for a new ADU. Sewer laterals may need a new cleanout or a trench to the main. These are line items in your written price before we start, not change orders after.
Trusted Brands We Service in Inglewood
We work with panelized and prefab systems that make sense on narrow Inglewood lots. Abodu builds compact units designed for California setbacks, and we’ve installed them on parcels where a traditional wide-load delivery would never clear the side yard. Cover panelized shells are our go-to when the lot geometry is unforgiving and we need to crane panels over a roof or fence line. For Inglewood’s stucco-heavy housing stock, we also handle James Hardie exterior systems when the ADU needs to match a mid-century or Spanish-style main house. Because we stock common trim, flashing, and panel components locally, replacement parts for these systems don’t require a week of waiting.
Common ADU Builders Problems We See in Inglewood Homes
- LAX height and noise overlay surprises. A homeowner signs a contract, then plan check flags the roof height for FAA notification review. The redesign costs thousands and adds weeks. We check the property’s airport-influence status before we ever quote a final number.
- Prefab panels that won’t clear the side yard. Standard panel dimensions don’t always fit Inglewood’s older lots, where side setbacks can be under five feet. We measure first. Re-framing on site because a vendor’s spec sheet was optimistic is an expensive mistake.
- Unpermitted existing structures. Lots of Inglewood garages were converted without permits decades ago. If the city requires legalization or demolition before ADU approval, that changes the scope and the calendar. We identify it early.
- Historic overlay review. Some Inglewood neighborhoods have historic status that adds design review. We check before you buy plans, not after you’ve fallen in love with a rendering.
Pricing for ADU Builders in Inglewood, CA
Here are honest ranges for the Inglewood market. A detached studio ADU, roughly 300 to 400 square feet, typically runs $150,000 to $220,000. A one-bedroom backyard ADU in the 500 to 600 square foot range runs $180,000 to $320,000 before site work. A two-bedroom unit pushes $300,000 to $450,000. Garage conversions run lower, usually $80,000 to $150,000, because the shell already exists. What moves the number: panel upgrades, sewer trenching, crane access, noise-glazing upgrades under the flight path, and whether the parcel triggers FAA Part 77 review. We deliver a written, line-item price before any work begins. No change orders appear silently on your bill. Call (472) 248-8213 for a free estimate and a real scope conversation.
We Also Serve Cities Near Inglewood
Sutton ADU Builders works throughout the South Bay and surrounding areas, including Hawthorne, Culver City, El Segundo, and Lawndale. If you’re in one of those cities and want the same written-price, photo-badge standard, we’re ready. See more about our Inglewood coverage or call (472) 248-8213.
Serving Inglewood, CA - Our Local Coverage Area
We’re based in the Inglewood 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 Inglewood
Yes, if it exceeds the single-story default height, and often if it sits within the LAX influence area at all, the city’s plan check may require FAA Part 77 notification and review before the building permit is issued. The practical effect is a longer plan check and possibly lower roof height than you’d get in Hawthorne or Lawndale. We check your parcel’s status before we quote, so this never hits you as a surprise. Call (472) 248-8213 and we’ll look it up for your address.
Yes, but the method changes. On lots where the side yard is under eight feet, we use panelized systems like Cover or Abodu that can be craned over the house, or we frame on site with smaller material deliveries. The key is knowing before you buy the shell. A standard prefab module that needs 12 feet of side access won’t fit many Inglewood parcels, and re-framing on site after delivery is expensive. We measure first, always.
A building permit is mandatory, and depending on your parcel, planning review for setbacks, height, and sometimes design if you’re in a historic overlay. Utility upgrades like a panel change or sewer connection get their own permits. We pull all of them under the project and schedule every inspection. You won’t be asked to chase the city.
Most detached ADUs in Inglewood take 6 to 10 months from contract to final inspection. Airport-influence review can add weeks to plan check. Site conditions, like sewer trenching or a full panel upgrade, add field time. We give you a written schedule with your written price, and we update it when anything actually changes. For a specific timeline on your lot, call (472) 248-8213.
The honest answer: a condition we couldn’t see before opening walls or trenching. A rotted sewer lateral. A panel that’s worse than the label says. A foundation that needs more work than the soils report suggested. That’s why we do a full site review before pricing, and why our written price shows line items for exactly those risk areas. If a covered element fails within a year, the 365-Day Done Right Promise covers it, and the second visit is free. No haggling.
Call (472) 248-8213 to schedule your free estimate with Sutton ADU Builders in Inglewood. You’ll get a written price, a real scope, and the names and photos of everyone coming to your property before they arrive.
Written by Miles Hartwell, Owner at Sutton ADU Builders, serving Inglewood since 2006.



