A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Santa Clarita, CA
Adding an ADU, home addition, or room addition in Santa Clarita means planning around a few realities most general contractors never mention: hillside lots, wildfire-adjacent building codes, and a housing stock that spans 1960s ranch-style homes to 1990s tract builds. Benson ADU Builders approaches every Santa Clarita project with a written price before any work begins, a 365-Day Done Right Promise, and access to prefab brands like Abodu, Dvele, and Cover that speed up city approval. Whether you’re planning a detached backyard unit in Valencia or a second-story addition off McBean Parkway, you’ll deal with one point of contact and one clear number. Call (903) 568-7222 to talk through your Santa Clarita project.
Why Santa Clarita Homes Are Different
Santa Clarita sits in a high-desert climate zone where summer days regularly push past 100 degrees and winter nights can drop near freezing. That temperature swing affects how we insulate ADU walls, which roofing materials hold up, and how quickly exterior paint and caulking age. Homes in Canyon Country and Newhall were largely built in the 1960s through 1980s, meaning many lots still need panel upgrades before an ADU can connect to the grid. Newer Stevenson Ranch and Valencia builds tend to be cleaner jobs on the electrical side, but their HOAs often impose architectural review for any visible addition.
The terrain is the other piece most builders don’t mention. Many Santa Clarita parcels slope, some steeply, which changes setback requirements and can add grading or retaining costs before vertical construction starts. If your lot backs up to open space or falls within a designated wildfire hazard zone, the city will require specific eave details, venting, and ignition-resistant siding. We account for all of that in the written estimate, not as a surprise change order later. Troy Eastman reviews every Santa Clarita quote personally before it reaches you.
Our Main Santa Clarita Services
Most Santa Clarita homeowners reach out about one of three projects: a detached or attached ADU for rental income or family, a larger home addition to gain square footage, or a single-room bump-out that solves a specific space problem. Each has its own Santa Clarita page with full detail.
ADU Builders in Santa Clarita
A backyard ADU in Santa Clarita usually falls between 400 and 1,200 square feet, and the route you take matters. Site-built units give you full design control but run longer on timeline. Prefab panels from brands like Abodu and Cover arrive pre-engineered and dramatically compress on-site construction, which matters when you’re working around a sloped lot or a tight side setback. We handle city submittals, foundation, utility connections, and the final certificate of occupancy. Full pricing and Santa Clarita-specific ADU details are on the dedicated page for ADU Builders in Santa Clarita.
Home Addition Contractor in Santa Clarita
A home addition in Santa Clarita often means extending the back of a ranch-style home to add a primary suite, a great room, or a second-story section. Existing roof lines, foundation type, and HVAC capacity all shape the final cost, and older Canyon Country homes sometimes need structural upgrades before we can tie new framing into the original build. Every addition starts with a written scope and a fixed price, so you know the number before demolition day. See Home Addition Contractor in Santa Clarita for specific pricing and project examples.
Room Addition Contractor in Santa Clarita
Room additions are the surgical option: a single bedroom off the back, a home office conversion over the garage, or an expanded kitchen dining area. In Santa Clarita, a room addition often triggers a simpler permit path than a full home addition, especially if the new space attaches to an existing permitted wall. We define the exact footprint, match roof lines, and keep the work contained so the rest of the house stays livable. Details and cost ranges are on Room Addition Contractor in Santa Clarita.
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 Santa Clarita
We’re authorized to build with Abodu, Dvele, Mighty Buildings, and Cover, and we support these systems with local crews who know the Santa Clarita permit landscape. Most prefab panels we order are staged at regional yards, so lead times stay predictable. See our brands for a full comparison of each system’s specs and timelines.
Pricing for ADU Company in Santa Clarita, CA
| Service | Typical range in Santa Clarita |
|---|---|
| Detached ADU (site-built, 400 – 600 sq ft) | $180,000 – $260,000 |
| Detached ADU (prefab, 400 – 500 sq ft) | $145,000 – $210,000 |
| Attached ADU conversion (garage or unused space) | $95,000 – $160,000 |
| JADU (junior unit under 500 sq ft) | $70,000 – $110,000 |
| Home addition (400 – 800 sq ft ground floor) | $110,000 – $190,000 |
| Home addition (second story, 400 – 600 sq ft) | $160,000 – $250,000 |
| Room addition (single room, 150 – 300 sq ft) | $48,000 – $85,000 |
| Prefab panel delivery and set (ADU shell only) | $70,000 – $125,000 |
Sloped lots in Santa Clarita, wildfire-zone cladding requirements, and panel upgrades on older homes are the three most common cost drivers. Whatever the number, it’s a written price before work starts. No verbal estimate that floats upward after demo day, no change orders billed without your signature.
Neighborhoods We Serve in Santa Clarita
We run ADU and addition projects across Santa Clarita every week, and the neighborhoods below come up constantly. Response time for most Santa Clarita estimates is within two to three business days, depending on the week’s schedule.
- Valencia
- Canyon Country
- Newhall
- Stevenson Ranch
- Saugus
Service Area – Cities Near Santa Clarita
Our crews also work in the communities directly around Santa Clarita. If your project is in Valencia, CA, Canyon Country, CA, Newhall, CA, or Stevenson Ranch, CA, the same written-price guarantee and 365-Day Done Right Promise apply. Dispatch and scheduling are coordinated from the brand’s Los Angeles office, with Santa Clarita crews serving locally.
Serving Santa Clarita, CA - Our Local Coverage Area
We’re based in the Santa Clarita 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 Santa Clarita
Most Santa Clarita homeowners get a site visit scheduled within two to three business days of calling (903) 568-7222. We confirm the arrival window by text with a live link, and the estimator shows up in a Benson uniform with ID. The written estimate follows within a few days of the visit.
Yes, and we check that before you commit. Some Valencia and Stevenson Ranch HOAs require architectural review for any visible structure, even when the city permit is straightforward. We review your HOA’s CC&Rs at the start so the design clears both the city and the association on the first pass.
It applies to every project, including prefab ADUs from Abodu, Dvele, Cover, and Mighty Buildings. If anything we built or installed fails within 365 days of completion, we come back and make it right at no charge. That promise is written into your contract.
Ready to see a real number for your Santa Clarita ADU or addition? Call (903) 568-7222 for a free, written estimate. Troy Eastman and the Benson team will walk you through the options, the price, and the timeline before you commit to anything.
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 Santa Clarita 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.
