A quiet residential street with a new ADU behind one of the homes
Beaumont, CA

ADU Company in Beaumont - One Fixed Price, Permits Handled

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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The bathroom inside a new ADU
A small deck outside a new ADU
The living room inside a new ADU
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A second-story addition that matches the existing roofline
A second-story addition with a balcony, matched to the original house
A single-story rear room addition with tall windows and a new patio
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

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ADU Company in Beaumont, CA

ADU work in Beaumont, CA comes with a specific set of conditions: hot, dry summers, clay-heavy soil in many subdivisions, and a housing stock that runs from early-2000s tract homes to larger custom lots in the hills. We’re Sutton ADU Builders, and we handle detached ADUs, home additions, and room additions across the city, from Sundance to Tournament Hills. What makes Beaumont different from most Inland Empire cities is the pace and pattern of its growth: many homes sit on lots graded for single structures, which means setbacks (the required gap between your new structure and the property line) and drainage often drive the design conversation before framing ever starts. If you’re weighing a build, call (472) 248-8213 and we’ll talk you through what your lot can actually support.

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Why Beaumont Homes Are Different

Beaumont sits at roughly 2,600 feet, so it catches more temperature swing than the valley floor. That affects everything from foundation depth to insulation choices. Summer highs regularly climb past 100 degrees, and the soil on many lots in the Sundance and Fairway Canyon areas is an expansive clay that shifts with moisture. We account for that in foundation and drainage planning. In older Beaumont neighborhoods near downtown, lots are smaller and often irregular, which means an ADU or addition has to work within tighter setback tolerances and sometimes an HOA review. Newer subdivisions, like those around Tournament Hills and The Fairways, tend to have cleaner utility records and more recent grading, but we still verify easements before committing to a footprint. The city also requires plan checks through its building department, and depending on the project, you may need a soils report. None of this is unusual to us, but it does mean a Beaumont quote that skips site-specific review is a quote you should be skeptical of. For an honest read on your lot, call (472) 248-8213.

Our Main Beaumont Services

Most Beaumont homeowners who call us are deciding between a detached backyard unit, a full addition, or a smaller room build. Each has its own page specific to Beaumont, so you can read what that job looks like on the ground here.

Home Addition Contractor in Beaumont

A home addition in Beaumont usually means extending the footprint of an existing single-family house: a larger kitchen, an added primary suite, or a second-story bump-out. On Beaumont lots, the first questions are setback and lot coverage, because many mid-2000s subdivisions were platted close to their limits. We also check roof tie-ins carefully, since Beaumont homes see real heat and occasional high winds. This is not a same-day or same-month project in most cases; it’s a structural build that deserves a written scope and a clear schedule before anything is signed. See our Home Addition Contractor in Beaumont page for a full cost breakdown and what to expect on site.

Home Addition Contractor in Beaumont

ADU Builders in Beaumont

Detached ADUs are the most common call we get in Beaumont, and for good reason: many lots in Sundance, Fairway Canyon, and Tournament Hills have the side or rear yard space to hold a 400 to 800 square foot unit without eating the whole backyard. The catch in Beaumont is usually utilities and drainage. Running new power, water, and sewer lines across a clay-heavy yard can add cost, and the city will want to see how runoff is handled before it signs off. We work with both stick-built and prefab approaches, including Abodu and Dvele, and we’ll tell you honestly which makes sense for your lot. Read the full details on our ADU Builders in Beaumont page.

ADU Builders in Beaumont

Room Addition Contractor in Beaumont

A room addition in Beaumont is the smallest-scale build we take on, but it still hits the same city requirements: permits, plan check, foundation, and final inspection. Common projects here include converting an underused den into a true bedroom, adding a home office, or bumping out a single wall for a wider living space. Because Beaumont sees hard summer heat, we pay extra attention to HVAC extension and window placement so the new room doesn’t become a hotbox in July and August. If you’re not sure whether your project is a room addition or something bigger, start on our Room Addition Contractor in Beaumont page and we’ll help you sort it from there.

Room Addition Contractor in Beaumont
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Beaumont

We service and install several recognized ADU product lines in Beaumont, including Abodu, Cover, Dvele, and Mighty Buildings. Parts and materials for these systems are stocked through our Inland Empire supply chain, not shipped piecemeal from out of state, which keeps typical turnaround tighter than ordering direct. See our brands page for a complete rundown of what we work with and how each system compares on a Beaumont lot.

Pricing for ADU Company in Beaumont, CA

Service Typical range in Beaumont
Detached ADU (400 – 600 sq ft) $180,000 – $260,000 before site work
Detached ADU (600 – 800 sq ft) $240,000 – $320,000 before site work
Detached ADU (800 – 1,000 sq ft) $300,000 – $410,000 before site work
Prefab ADU (Abodu or similar) $190,000 – $340,000 depending on site prep
Garage conversion to ADU $120,000 – $220,000
Home addition (200 – 400 sq ft) $90,000 – $180,000
Home addition (400 – 800 sq ft) $160,000 – $300,000
Room addition (single room) $60,000 – $140,000
Foundation and site work $15,000 – $45,000 depending on soil
Utility runs (power, water, sewer) $8,000 – $25,000 depending on distance

In Beaumont, the two things that push price higher than the base range are expansive clay soil that needs extra foundation work, and long utility runs on larger lots. Every project gets a written price before any work begins, so the number you approve is the number you build against. Call (472) 248-8213 for a free estimate based on your specific lot and scope.

Neighborhoods We Serve in Beaumont

We work across all of Beaumont’s residential areas, from the older streets near downtown to the larger lots in the newer master-planned communities. Crews are dispatched from our Inland Empire office, and typical response for site visits in Beaumont runs one to three business days depending on the week.

  • Sundance
  • Tournament Hills
  • Fairway Canyon
  • Olivewood
  • Three Rings Ranch

Service Area – Cities Near Beaumont

Beyond Beaumont, we take on builds in the neighboring cities where the lot conditions and permitting follow a similar pattern. If you’re in Banning, CA, Calimesa, CA, Yucaipa, CA, or San Jacinto, CA, the same written pricing and crew vetting standards apply. Call (472) 248-8213 and tell us which city you’re in; we’ll confirm coverage and get a site visit scheduled.

Serving Beaumont, CA - Our Local Coverage Area

We’re based in the Beaumont 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 Beaumont

The bedroom inside a new ADU

Ready to get started? Free estimates · Free on-site estimates response in Beaumont
Call (472) 248-8213

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Beaumont Customers Say

★★★★★ 5.0 from 5+ reviews

"Every crew member was vetted and carried a badge, which matters when they are around your family for months. Tidy site every day."

- Daniel F.

"Itemized estimate with allowances laid out. Final cost was within a hair of the quote."

- Naomi R.

"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.

How It Works in Beaumont

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Beaumont - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

More ADU services in Beaumont

Every build below starts the same way: a free site visit and a written price.

Getting started with Sutton

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

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What we promise on every job, written down, with the terms spelled out before any work starts.

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