







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Inglewood, CA
Adding an ADU, a room addition, or a home addition in Inglewood, CA usually means working with a specific kind of lot: long and narrow, often with a detached garage that has real potential, and almost always with a set of setback rules that shape what you can build. We’re Sutton ADU Builders, and we help Inglewood homeowners get from the first sketch to a finished second home with a written price locked in before work starts and a 365-day written guarantee behind every part of the job. Call (472) 248-8213 when you want to talk through what your lot can actually hold.
Why Inglewood Homes Are Different

Inglewood’s housing stock is older than a lot of buyers realize. Many of the single-family homes along the streets around Centinela Avenue, Prairie Avenue, and Manchester Boulevard were built between the 1920s and the 1950s. That matters for ADU work because the existing foundation, electrical panel, and sewer line are usually the first things we need to evaluate before we can say what a detached unit or addition will cost.
The lots themselves create both opportunity and constraint. Inglewood has a high share of lots in the 5,000 to 6,500 square foot range, which is enough for a modest detached ADU but rarely enough for a sprawling one. Setbacks, which is the required gap between your new structure and the property line, are enforced with a careful eye here. The city wants to see plans that respect the existing block feel, and that means creative footprints, not bigger-and-bigger builds. We also see a lot of detached garages in Inglewood that are structurally sound but underused. A garage conversion is often the fastest, most cost-effective route to a legal rental unit or a private space for family, and it changes the whole conversation about where the ADU should go. The coastal-influenced climate means mild temperatures most of the year, so insulation and HVAC choices lean toward efficiency without the extreme cold-weather detailing you’d need further east.
Our Main Inglewood Services
Most Inglewood homeowners call us about one of three things: adding a full home addition to gain interior square footage, building a detached ADU in the rear yard, or converting an existing room or garage into livable space. Each has its own Inglewood page because each involves a different set of permits, plans, and price ranges.
Home Addition Contractor in Inglewood
A home addition in Inglewood usually starts with a question about whether the existing foundation can carry the new load and whether the current electrical service has the capacity for the added square footage. Many of the older homes in this city need a panel upgrade as part of the job, and we factor that into the written price from the start rather than letting it surface as a surprise later. Foundations here have settled in ways that show up as hairline cracks and uneven floor lines, and a good addition plan accounts for that reality. We handle structural reinforcement, roof tie-ins, and the full permit process with the city. Home Addition Contractor in Inglewood

ADU Builders in Inglewood
A detached ADU in Inglewood is often the single best way to add a rental unit or a long-term space for a family member without touching the main house. We work with the lot widths and setback rules that define so much of Inglewood’s older neighborhoods, and we’re fluent with prefab lines like Cover and Dvele when a faster build makes sense for the site. The rear-yard garage is frequently the easiest starting point because the structure is already there and the foundation work is often minimal. We help with the planning approval, the utility runs, and the full build, with a written price delivered before anything is signed. ADU Builders in Inglewood

Room Addition Contractor in Inglewood
A room addition in Inglewood often means pushing out the back of the house or finishing an attached space that was never truly livable. The older framing and plaster walls common in this city’s housing stock mean we pay close attention to how the new roofline ties in and how the existing walls handle the transition. Permits for room additions here are generally straightforward when the addition stays within the existing footprint and doesn’t cross a property line, but we handle all of that so you don’t have to interpret the municipal code yourself. Every room addition gets a written line-item price and the same 365-day guarantee as a full ADU build. Room Addition Contractor in Inglewood

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 Inglewood
We have direct experience with several of the ADU brands homeowners ask about most, including Cover, Dvele, and Mighty Buildings. That matters in Inglewood because the product you choose changes the timeline, the foundation needs, and the total price. We can walk you through which brand fits your lot and budget honestly. Learn more on our brands page.
Pricing for ADU Company in Inglewood, CA
| Service | Typical range in Inglewood |
|---|---|
| Detached ADU (400 – 600 sq ft, standard finishes) | $180,000 – $320,000 |
| Detached ADU (under 400 sq ft, prefab) | $120,000 – $190,000 |
| Garage conversion to ADU | $90,000 – $180,000 |
| Attached ADU (junior ADU or converted bedroom) | $70,000 – $150,000 |
| Home addition (single room, 200 – 400 sq ft) | $95,000 – $220,000 |
| Large home addition (400+ sq ft, kitchen or primary suite) | $220,000 – $450,000 |
| Room addition (basic build-out, no plumbing) | $65,000 – $140,000 |
| Room addition (with bathroom or wet bar) | $110,000 – $230,000 |
| Foundation and site work only | $18,000 – $45,000 |
| Electrical panel upgrade (if required) | $4,000 – $8,000 |
What pushes a price toward the top of these ranges in Inglewood is usually the condition of the existing sewer line, the need for a new electrical panel, or a foundation that requires more seismic work than expected. Every project gets a written price before we start, and we don’t pass scope changes through silently. You’ll see the number first.
Neighborhoods We Serve in Inglewood

We work across all of Inglewood, from Centinela Heights up toward the old Morningside Park neighborhoods and down along the streets near Hollywood Park. Each has its own rhythm when it comes to permit reviews and neighbor notifications.
- Centinela Heights
- Morningside Park
- North Inglewood
- Hollywood Park
- Fairview Heights
For most Inglewood projects, once we have the plans in and the permit approved, scheduling is usually booked one to three weeks out depending on the size of the job and the current workload.
Service Area – Cities Near Inglewood
If your project sits just outside the Inglewood line, we also serve Hawthorne, CA, Culver City, CA, El Segundo, CA, and Lawndale, CA. Each of those cities has its own permitting quirks, but the standard is the same: a written price before work begins and a 365-day promise on the workmanship.
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 Company in Inglewood

Once permits are approved, most Inglewood ADU projects can be scheduled to start within one to three weeks. The permitting phase itself is usually the longest part, and the timeline depends on the complexity of the plans and how quickly the city reviews them. Call (472) 248-8213 to get an honest sense of your project’s timeline.
We handle all city permits for Inglewood projects, including the plan checks and inspections. If your neighborhood has an HOA, we’ll prepare the documentation you need and let you know what the HOA must sign off on. You won’t be left to interpret municipal or HOA language on your own. Call (472) 248-8213 with your specific street and we’ll tell you what applies.
No. Your written price covers the agreed scope of work, and we don’t pass silent change orders onto the bill. If something unexpected comes up during the build, we talk to you first and put any change in writing before doing the work. That’s the Threshold Standard, and it applies to every Inglewood job. Call (472) 248-8213 for a free estimate.
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 Inglewood Customers Say
"Backyard ADU for my mother. The project manager showed ID and walked me through the permit steps, the foundation plan, and the schedule. Moved her in on time."
- Margaret C."Insulated the walls and ceiling properly. It stays comfortable even in July."
- Tamika W."They handled the drawings and the permit paperwork for us. All I had to do was pick the finishes."
- Rosa M.



