







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Blythe, CA
Benson ADU Builders handles accessory dwelling units, home additions, and room additions across Blythe, California, with written pricing before any work starts. Blythe sits in the Palo Verde Valley along the Colorado River, where summer temperatures regularly pass 110 degrees and the housing stock trends toward mid-century ranches and newer stucco builds on larger desert lots. That combination of heat, river-adjacent soil, and generous setbacks gives Blythe ADU work a different shape than what you would see in coastal California. Call (903) 568-7222 to talk through your lot.
Why Blythe Homes Are Different
Blythe’s desert climate drives nearly every material decision on an ADU or addition. We spec siding and roofing for sustained UV exposure, because anything less fades and cracks within a few seasons. The soil here is a bigger variable than most homeowners expect. Riverside County’s flood-adjacent parcels near the river can shift slightly year over year, so foundation design often calls for deeper footings than a generic plan would assume. Homes off Lovekin Boulevard and around the older grid near Hobsonway tend to be 1950s and 1960s builds, meaning original framing, older electrical panels, and rooflines that were never designed for a second structure. Newer subdivisions east of Intake Boulevard give us cleaner slate, but HOA rules in some of those communities can add design-review steps to a backyard ADU. Permits go through Riverside County for unincorporated pockets and the city for in-town lots, and the distinction matters for setbacks, which is the distance a structure must sit from your property line. We walk every site before quoting so the written price reflects your actual lot, not a generic Blythe assumption.
Our Main Blythe Services
Most Blythe homeowners reach out to us for one of three projects: a detached backyard ADU, a full home addition, or a single room added onto the existing footprint. Here’s how each one works here.
ADU Builders in Blythe
Building an ADU in Blythe usually means either a prefab panel system from a brand like Dvele or Boxabl, or a site-built structure stick-framed on your lot. The prefab route shortens on-site time significantly, which matters when daytime highs make a long build window miserable for everyone. We handle setbacks, utility tie-ins, and Riverside County or city permitting as part of the written quote. ADU Builders in Blythe covers full project timelines, foundation options, and what a finished unit typically costs here.

Home Addition Contractor in Blythe
A home addition in Blythe means expanding your conditioned square footage with the same roofline and foundation standard as the original house, which protects resale value. On older homes near the river, we often find that tying into existing HVAC means upgrading the system, and our upfront quote reflects that before demolition starts. Home Addition Contractor in Blythe walks through layouts, structural reality checks, and the written-price promise on larger builds.

Room Addition Contractor in Blythe
A single room addition in Blythe, whether it’s a bedroom, office, or a larger laundry space, is the most cost-surgical way to add square footage. Desert heat means we pay close attention to insulation values and window orientation, especially on west-facing walls that catch the afternoon sun. Room Addition Contractor in Blythe breaks down typical scopes and pricing for one-room projects.

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 Blythe
As an authorized builder for Cover, Dvele, and Mighty Buildings, we can offer Blythe homeowners prefab ADU options alongside site-built construction. Panels and module components are ordered to the project and delivered to your lot on a confirmed schedule. Learn more on our brands page, then ask us which system fits your Blythe site.
Pricing for ADU Company in Blythe, CA
| Service | Typical range in Blythe |
|---|---|
| Detached ADU (prefab panel system) | $180,000 – $340,000 |
| Detached ADU (site-built) | $220,000 – $400,000 |
| Garage conversion ADU | $120,000 – $200,000 |
| JADU (attached junior unit) | $80,000 – $150,000 |
| Full home addition (400 – 800 sq ft) | $160,000 – $320,000 |
| Single room addition (150 – 250 sq ft) | $60,000 – $120,000 |
| Primary suite addition | $90,000 – $180,000 |
| Second-story addition | $250,000 – $450,000 |
| Foundation-only work (varies by soil report) | $10,000 – $30,000 |
Costs in Blythe push higher when soil conditions near the river require deeper footings, or when an older home’s electrical panel needs replacement to support a new unit. Your written price comes before any work begins, and it does not change unless you change the scope.
Neighborhoods We Serve in Blythe
We work across Blythe and the surrounding Riverside County pockets, from the established blocks near Hobsonway to the newer lots east of Intake Boulevard. Typical response for a site visit and written estimate is within a few business days, depending on current project load.
- Downtown Blythe near Hobsonway
- Neighborhoods off Lovekin Boulevard
- East Blythe subdivisions near Intake Boulevard
- Riverside County parcels south of I-10
- Areas near the Colorado River and Palo Verde Dam
Service Area – Cities Near Blythe
While this page covers Blythe specifically, our crews also take on ADU and addition work in nearby Riverside County communities. If your property sits outside the city limits, we can still help. We regularly hear from homeowners in Mecca, CA, Coachella, CA, Twentynine Palms, CA, and Indio, CA who want the same written-price standard we bring to Blythe.
Serving Blythe, CA - Our Local Coverage Area
We’re based in the Blythe 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 Blythe

Site visits and written estimates are typically scheduled within a few business days. From there, permit timing depends on whether your lot falls under city of Blythe or Riverside County jurisdiction, plus HOA design review if your neighborhood has one. We give you a realistic start window in the written quote.
Some do. Parcels close to the Colorado River can have soil that shifts with seasonal moisture, which means a soil report may recommend deeper footings than a standard plan. We include that assessment in the quote before you commit.
No, unless you change the scope. That is the point of The Relay Visibility Guarantee. Your price is in writing before demolition, and change orders, if requested, get their own line-item price on paper before any additional work happens. Call (903) 568-7222 to schedule a free estimate.
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 Blythe 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.



