







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Valencia, CA
Benson ADU Builders handles accessory dwelling units and home additions across Valencia, and we approach every job with the same commitment: a written price before any work starts, a 365-Day Done Right Promise in writing, and no surprises at the door. Valencia is master-planned suburbia done well, which means paseos, HOAs, and housing stock that runs from 1960s single-story ranches to 2000s tract homes. That variety changes how we design, permit, and build. Whether you’re adding a backyard unit off McBean Parkway or converting a garage near Valencia Town Center, call (903) 568-7222 and we’ll walk you through the real numbers.
Why Valencia Homes Are Different
Valencia sits in the Santa Clarita Valley, where summer temperatures regularly cross 100°F and the sun beats on stucco for months at a time. That matters for ADU design and for any home addition tied into existing HVAC. We size insulation and cooling loads for Santa Clarita Valley summers, not coastal averages. Many Valencia neighborhoods are governed by HOAs with their own architectural review on top of city permitting, so we sequence approvals early and write that into the schedule. The terrain is mostly flat-to-gentle in the paseo neighborhoods, but some lots near the hillsides have drainage and setback quirks that change where a detached unit can sit. Housing stock skews two stories with attached garages, which makes garage conversions a common ADU path, though ceiling height and fire separation rules decide whether that’s actually cheaper than a new build. Older single-story homes in the original Valencia neighborhoods often have roomier lots than the newer tracts, and that lot depth gives us more options for a detached ADU without pushing against rear setbacks.
Our Main Valencia Services
Most Valencia homeowners call us for one of three things: a new ADU in the backyard, a larger addition that expands the main house, or a single-room bump-out that adds a bedroom, office, or bath. Each has its own page with pricing and permit detail.
ADU Builders in Valencia
We build detached and attached ADUs in Valencia, and we bring real option to the table: site-built framing or prefab panels from Abodu, Cover, and Dvele, depending on lot access and how fast you want the unit closed in. A backyard ADU in Valencia means dealing with rear and side setbacks, HOA review where it applies, and utility connections that sometimes run farther than homeowners expect. We price all of that in writing before work starts. If you’re still deciding between a garage conversion and a ground-up unit, read the full breakdown on our ADU Builders in Valencia page.

Home Addition Contractor in Valencia
A home addition in Valencia usually means adding square footage to the first or second story, and it’s a bigger structural job than an ADU because the new space ties into the existing roofline, foundation, and HVAC. We’ve worked on additions across Valencia where HOA design standards dictated roof pitch and exterior finish, and we pull those requirements into the written price before demo starts. You can see exactly how we scope and price these jobs on the Home Addition Contractor in Valencia page.

Room Addition Contractor in Valencia
A room addition is the smallest of the three, typically one new bedroom, a home office, or a bathroom bump-out. In Valencia, the common constraint is lot line distance: many tract homes sit five feet from the side property line, so a side yard addition quickly hits the setback. That’s why we often look at the rear yard or a second-story pop-up instead. Get the full scope and numbers on our Room Addition Contractor in Valencia page.

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 Valencia
We’re authorized to build with Abodu, Cover, and Dvele prefab systems in Valencia, and we keep a working knowledge of each brand’s panel specs, lead times, and engineering so the choice isn’t a mystery. See our brands for what each system offers.
Pricing for ADU Company in Valencia, CA
| Service | Typical range in Valencia |
|---|---|
| Detached ADU (prefab, studio) | $120,000 – $180,000 |
| Detached ADU (site-built, 1 bed) | $180,000 – $280,000 |
| Detached ADU (site-built, 2 bed) | $280,000 – $420,000 |
| Garage conversion ADU | $90,000 – $170,000 |
| Attached ADU / JADU | $80,000 – $150,000 |
| Home addition (single story, 300 sq ft) | $90,000 – $160,000 |
| Home addition (single story, 500 sq ft) | $150,000 – $260,000 |
| Home addition (two-story, 500 sq ft) | $220,000 – $350,000 |
| Room addition (single room, 150 – 200 sq ft) | $60,000 – $110,000 |
| Room addition (primary suite) | $110,000 – $190,000 |
Prices in Valencia push higher when the lot has poor rear access for equipment, when an HOA requires specific exterior finishes, or when the existing electrical panel needs a service upgrade to carry the new load. Whatever the price, it’s the same price at the end: we write it before work starts and it doesn’t change unless you change the scope.
Neighborhoods We Serve in Valencia

We work across Valencia, including the older original tracts and the newer master-planned sections. Most Valencia neighborhoods run on HOA schedules, so we sequence plan review early in the project. Here are a few areas we serve regularly:
- Northbridge
- North Park
- Valencia Summit
- Bridgeport
- Old Orchard
For scheduling, we coordinate dispatch from our Los Angeles office, and we typically get a crew to most Valencia neighborhoods in a day or two once permits are cleared.
Service Area – Cities Near Valencia
Beyond Valencia, we serve the surrounding Santa Clarita Valley. See our pages for Santa Clarita, CA, Newhall, CA, Canyon Country, CA, and Castaic, CA if your project sits just outside Valencia city limits.
Serving Valencia, CA - Our Local Coverage Area
We’re based in the Valencia 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 Valencia

We prepare the plans, elevations, and finish schedules your HOA needs, and we submit them alongside the city permit application. HOA review runs in parallel, so it doesn’t add months to the schedule. Call (903) 568-7222 to get your specific community’s requirements checked early.
Plan on roughly five to eight months from design to final inspection for a detached ADU in Valencia. Prefab systems like Abodu or Cover can compress the on-site phase once the foundation and utilities are in. Your written price includes the schedule, so you’ll know the timeline before you commit.
We cover the full Valencia service area, from the older neighborhoods near McBean Parkway out to the newer sections by Magic Mountain Parkway. If you’re in Valencia, we’ll come out, measure, and price the job. Estimates are free, and the price we give you is the price you pay.
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 Valencia 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.



