A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Anaheim Hills, CA
Benson ADU Builders is an ADU company serving Anaheim Hills, CA, and the surrounding foothill communities. Adding an accessory dwelling unit here means working with sloped lots, older hillside homes, and HOAs that often have their own design review process on top of city permits. We handle the entire build from plans and permits to the final walkthrough, and every project starts with a written price before any work begins. Call (903) 568-7222 to talk through your Anaheim Hills project and get a free estimate.
Why Anaheim Hills Homes Are Different
Anaheim Hills homes sit on terrain that most flatland contractors never deal with. A large share of the housing stock was built between the 1970s and 1990s, and many lots climb at angles that change how an ADU gets sited, how grading affects drainage, and how far a foundation has to step down the slope. Where the lot drops toward a canyon or backs up to ridgeline open space, setbacks and retaining walls become real line items on the estimate, not afterthoughts.
The climate matters too. Summers in Anaheim Hills run hot and dry, which pushes us toward cladding and insulation choices that keep a detached ADU livable without running the air conditioning nonstop. James Hardie siding holds up well to the sun exposure, and prefab panels from brands like Abodu and Dvele arrive pre-sealed so the building envelope goes up faster with fewer weather delays. Some neighborhoods, especially those with active HOAs, require exterior materials and rooflines that match the main house within a defined palette. That is a review step we plan for from day one so it does not stall the permit.
Key takeaways: expect grading and retaining considerations on sloped Anaheim Hills lots, HOA design review in master-planned neighborhoods, and material choices that have to handle intense summer sun.
Our Main Anaheim Hills Services
Most Anaheim Hills homeowners call us for one of three projects: a detached ADU, a larger home addition, or a single room addition. Each has its own Anaheim Hills page with local pricing and specifics.
ADU Builders in Anaheim Hills
We build detached and attached ADUs across Anaheim Hills, working with prefab systems from Abodu, Cover, and Dvele as well as site-built construction when the lot calls for it. Hillside setbacks and access for a crane or panel truck both shape the plan early, which is why we survey the lot and confirm utility routing before quoting. You get a written price, a defined scope, and a 365-Day Done Right Promise in writing. ADU Builders in Anaheim Hills has the full cost breakdown by ADU type.
Home Addition Contractor in Anaheim Hills
A home addition in Anaheim Hills often means pushing out on a sloped lot, which brings foundation engineering, drainage redirection, and sometimes a retaining wall into the scope. We have built additions that tie into existing 1970s and 1980s framing without mismatched rooflines, and we carry James Hardie materials so the new exterior can match what the HOA already approved. Home Addition Contractor in Anaheim Hills covers pricing and process for larger additions.
Room Addition Contractor in Anaheim Hills
A single room addition, like a main-floor bedroom or a dedicated office, is usually the fastest permitted project we do in Anaheim Hills. The main local variables are floor height transitions on a hillside and tying the roofline into the existing eave line cleanly. We quote the job with a fixed written price and coordinate the small things homeowners forget, like relocating a vent or matching stucco texture on the tie-in wall. Room Addition Contractor in Anaheim Hills has the specific room-type price ranges.
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 Anaheim Hills
We are authorized to build with Abodu, Cover, Dvele, and Mighty Buildings, and we stock the common trim, panel, and flashing parts locally so small fixes don’t wait on a cross-country shipment. See our brands for what each system offers. Turnaround for standard parts in Anaheim Hills is typically a few days, not weeks.
Pricing for ADU Company in Anaheim Hills, CA
These are the typical ranges we quote for Anaheim Hills, based on recent projects and current material costs. Every project still gets its own written estimate before work starts.
| Service | Typical range in Anaheim Hills |
|---|---|
| Detached ADU (prefab, under 500 sq ft) | $180,000 – $240,000 |
| Detached ADU (site-built, 500 – 800 sq ft) | $240,000 – $340,000 |
| Attached ADU conversion (garage or wing) | $120,000 – $190,000 |
| JADU (junior ADU under 500 sq ft) | $90,000 – $140,000 |
| Home addition (400 – 800 sq ft) | $160,000 – $290,000 |
| Home addition (800+ sq ft with kitchen/bath) | $290,000 – $475,000 |
| Room addition (single room, 150 – 300 sq ft) | $70,000 – $140,000 |
| Room addition with bath (300 – 500 sq ft) | $110,000 – $200,000 |
| Grading and retaining for hillside lot | $8,000 – $28,000 (added to any scope) |
What pushes cost up in Anaheim Hills is almost always the lot: slope, access for equipment, and how far utilities have to run from the street. Our written price covers the agreed scope, so a retaining wall that shows up in the survey is in the quote, not added later as a surprise.
Neighborhoods We Serve in Anaheim Hills
We work across the Anaheim Hills area, from the canyon-adjacent streets to the master-planned communities with their own design standards. Typical response for an estimate visit runs two to three business days depending on how many surveys are already on the schedule that week.
- Anaheim Hills Estates
- Summit Pointe
- Canyon Rim
- View Pointe
- Perlita area
Service Area – Cities Near Anaheim Hills
Benson ADU Builders serves Anaheim Hills as its core focus, and we take projects in nearby communities across the region. Dispatch and scheduling run from our Los Angeles office, with crews working locally in Anaheim Hills and the surrounding cities. Nearby coverage includes Anaheim, CA, Los Angeles, CA, Long Beach, CA, and Riverside, CA.
Serving Anaheim Hills, CA - Our Local Coverage Area
We’re based in the Anaheim Hills 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 Anaheim Hills
We typically schedule the first Anaheim Hills site visit within two to three business days. The visit includes a lot review, basic measurements, and a conversation about what you want to build. After that, you receive a written price, usually within a week. Call (903) 568-7222 to set the appointment.
Yes, many Anaheim Hills neighborhoods have HOAs with design review rules about exterior materials, colors, and rooflines. We review those guidelines before quoting so the estimate matches what the HOA will actually approve. That prevents a plan being sent back after you have already signed.
We can. Sloped Anaheim Hills lots often need soil engineering, stepped foundations, and sometimes a retaining wall, and we include those in the written scope from the first quote. The fixed-price approach means the retaining cost is named before work starts, not billed later. Call (903) 568-7222 for an estimate on your specific lot.
Call Benson ADU Builders at (903) 568-7222 to schedule your free Anaheim Hills estimate. A live person answers, and you will have a written price before any work begins.
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 Anaheim Hills Customers Say
"Booked a consult online and met the project manager two days later. Weekly progress updates arrived by text with photos. ADU finished on schedule."
- Hannah W."Clean, quiet crew. They respected the neighbors, kept noise to working hours, and swept the driveway every evening."
- Hope C."Communication was the best part. I always knew what was happening that week without having to ask."
- Dolly N.
