A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Lancaster, CA
Benson ADU Builders handles ADU construction, home additions, and room additions in Lancaster with a written price before any work starts. Lancaster’s high-desert climate, expansive clay soils, and a housing stock dominated by single-story ranches built between the 1950s and 1990s shape how we approach every project here. If you’re weighing an ADU for rental income or a home addition for family, call (903) 568-7222 and we’ll walk you through the numbers without the sales fog.
Why Lancaster Homes Are Different
Lancaster sits in the Antelope Valley at roughly 2,350 feet of elevation, which means two things for construction: intense summer heat and overnight temperature swings that test every material choice. Stucco exteriors, concrete slab foundations, and composition shingle roofs dominate the older sections around downtown and east of the 14 Freeway. Newer tract developments west of Sierra Highway and north toward Quartz Hill often sit on larger lots, which is good news for setback requirements when you’re placing a detached ADU.
Soil here is a real consideration. Expansive clay shifts with moisture, so foundation work often calls for deeper footings or post-tension slabs than you’d see in coastal Los Angeles. We also factor in wind: the Antelope Valley gets sustained gusts that influence framing, window ratings, and how we sequence roof work. Homeowners in areas with HOA oversight, such as some communities in West Lancaster, will want their CC&Rs reviewed before committing to a design, and we handle that review as part of the written estimate.
Our Main Lancaster Services
Most Lancaster homeowners call us about one of three projects: a detached ADU in the backyard, a home addition that extends the existing footprint, or a room addition that reworks interior space. Each has its own dedicated Lancaster page with pricing, timelines, and the specifics of how we build here.
ADU Builders in Lancaster
Detached ADUs are the fastest way to add rentable square footage on Lancaster’s oversized lots, and Benson is authorized to build with prefab brands like Abodu and Cover, which compress the on-site timeline significantly. We handle the full scope: site survey, foundation, utility connections, and the finish work that makes the unit feel like a home rather than a box. Water and sewer line extensions on sprawling Antelope Valley parcels are a frequent cost driver we price upfront. See ADU Builders in Lancaster for the full breakdown.
Home Addition Contractor in Lancaster
A home addition in Lancaster often means expanding a kitchen or adding a primary suite onto a single-story ranch, and the framing here has to answer to wind loads and heat gain. We’re seeing more homeowners pair an addition with panelized construction from Dvele to keep the on-site build window short through the hot months. Every addition starts with a structural review of the existing slab and a written line-item price. Details are on Home Addition Contractor in Lancaster.
Room Addition Contractor in Lancaster
Room additions convert garages, enclose patios, or split an oversized living area into functional bedrooms and offices. Lancaster’s older stock has plenty of attached garages that homeowners want to turn into an ADU-adjacent JADU, which triggers a different set of code requirements than a simple remodel. Our team walks you through which path fits your floor plan. Read Room Addition Contractor in Lancaster for the specifics, including what JADU conversion typically costs.
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 Lancaster
We’re authorized to build with Abodu, Boxabl, Cover, Dvele, and Mighty Buildings, and we keep common replacement parts and trim stocked locally so punch-list items don’t stall. Turnaround on brand-specific panels and modules runs about two to three weeks in Lancaster once the order’s confirmed. See our brands for the complete line.
Pricing for ADU Company in Lancaster, CA
| Service | Typical range in Lancaster |
|---|---|
| Detached ADU, prefab (Abodu, Cover) | $180,000 – $320,000 |
| Detached ADU, site-built | $220,000 – $380,000 |
| Garage conversion ADU / JADU | $90,000 – $180,000 |
| Attached home addition (primary suite) | $140,000 – $260,000 |
| Kitchen expansion | $80,000 – $180,000 |
| Room addition (single, 200-400 sq ft) | $70,000 – $150,000 |
| Permit and design package (all projects) | $8,000 – $22,000 |
Prices in Lancaster move with foundation demands (expansive clay can add $15,000 to $40,000 in slab and footing work), utility extension distance, and whether the design calls for fire-rated exterior materials, which the high-desert fire zones sometimes require. We put the written line-item price in front of you before you commit, and that number doesn’t change unless you change the scope.
Neighborhoods We Serve in Lancaster
We run jobs across the entire Lancaster footprint, from the older grid streets around downtown to the newer subdivisions pushing west and north. Our crews start most Lancaster projects within two to three weeks of the signed estimate.
- Downtown Lancaster
- West Lancaster
- Quartz Hill
- East Lancaster
- Sun Village area
Service Area – Cities Near Lancaster
Benson ADU Builders dispatches crews from the brand’s Los Angeles office to Lancaster and the surrounding Antelope Valley and Santa Clarita communities. We also serve Acton, CA, Palmdale, CA, Canyon Country, CA, and Santa Clarita, CA, with the same written-price guarantee on every job.
Serving Lancaster, CA - Our Local Coverage Area
We’re based in the Lancaster 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 Lancaster
Most Lancaster estimates turn into signed contracts within a week, and we typically break ground two to three weeks after that. Prefab ADUs from Abodu or Boxabl can compress the total timeline to roughly four or five months, while site-built work runs longer. Call (903) 568-7222 to check current scheduling for your area.
Yes. We pull the building permit through the City of Lancaster, handle plan checks and inspections, and review your HOA’s CC&Rs if your neighborhood has them. Any permit or design fees are itemized in the written estimate so you see exactly what the city requires before you spend a dollar.
The price changes only if you change the scope. Soil findings, utility runs, and material upgrades are all priced into the written estimate upfront, and our 365-Day Done Right Promise means anything not built right gets fixed within a full year. Call (903) 568-7222 for a free estimate and a line-item quote.
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 Lancaster 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.
