







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Clovis, CA
Adding an ADU in Clovis, CA means working with a city that’s made it genuinely easy – fast-track permitting, pro-ADU policies, and thousands of 1990s and 2000s tract homes sitting on 7,000 to 10,000 square foot lots with room to spare. But the Central Valley heat changes how we design: cool roofs, high-efficiency insulation, and HVAC sizing that actually holds up past 100°F aren’t upgrades here, they’re the baseline. That’s where Benson ADU Builders comes in. We pair the prefab brands homeowners research themselves – Abodu, Cover, Dvele – with a written price before work starts and a 365-Day Done Right Promise. Call (559) 206-2363 for a free estimate.
Why Clovis Homes Are Different

Clovis housing stock skews heavily toward single-family homes built from the 1980s forward, with the big subdivisions concentrated in the east and northeast parts of town. Those lots, mostly 7,000 to 10,000 square feet, are what make detached ADUs viable without forcing a homeowner to sacrifice their whole backyard. You’ll see a different picture near Old Town Clovis: tighter lots where a garage conversion or a compact attached unit usually pencils out better than a standalone structure.
The heat is the quiet factor in every Clovis project. Summers routinely push past 100°F for stretches, which means an ADU that skimps on insulation or undersizes the HVAC becomes a room nobody wants to use by July. We design for that from the start – cool roof materials, high-efficiency windows, and conditioning systems matched to the actual square footage and orientation of the unit. Clovis’s “Clovis Way of Life” framing matters too: a lot of the ADUs we see going up are for aging parents or adult children, not rental listings. That shapes the work – separate entrances, covered patios, sound separation between the main house and the unit. People here aren’t just adding square footage. They’re adding a place for someone they love, and they want the privacy to still work for everybody.
Our Main Clovis Services
Most Clovis homeowners reach out to us about one of three things: building a new ADU, expanding the main house, or adding a single room. Each has its own page with local pricing and details for Clovis.
ADU Builders in Clovis
ADUs in Clovis come in a few flavors: detached units in the backyard, garage conversions, and JADUs carved out of existing space inside the house. The large-lot subdivisions in east and northeast Clovis lend themselves to detached units, while homes near Old Town often work better as garage conversions. We walk you through the setback rules, the permitting path, and the prefab options before you commit to anything. Read more about how we approach ADU construction on our ADU Builders in Clovis page.

Home Addition Contractor in Clovis
A home addition in Clovis usually means extending the footprint of the existing structure – think a bigger kitchen, a new primary suite, or a family room that actually fits everyone. On the larger lots this is straightforward; on tighter older lots it takes some planning with setbacks and existing utilities. We handle the full scope, from framing through finishes, and every project gets a written price before anything starts. See the details on our Home Addition Contractor in Clovis page.

Room Addition Contractor in Clovis
A room addition is the smaller cousin of the home addition: one bedroom, one office, one bathroom added onto the existing home. In Clovis, where families often stay put across generations, that extra bedroom or a ground-floor suite for a parent is a common request. We keep the scope tight, the permit path clean, and the price in writing from day one. Visit our Room Addition Contractor in Clovis page for specifics.

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 Clovis
We work with a short list of prefab and materials brands that Clovis homeowners can research on their own: Abodu, Cover, Dvele, and Mighty Buildings among them. Because we’re authorized to build with several manufacturers, you’re not locked into one take-it-or-leave-it product. See our brands for the full breakdown and what each option costs in this market.
Pricing for ADU Company in Clovis, CA
| Service | Typical range in Clovis |
|---|---|
| Detached ADU (prefab, 400 – 600 sq ft) | $180,000 – $310,000 |
| Detached ADU (site-built, 400 – 600 sq ft) | $220,000 – $360,000 |
| Garage conversion ADU | $95,000 – $170,000 |
| JADU (interior conversion) | $70,000 – $120,000 |
| ADU structure only (shell, no finishes) | $100,000 – $190,000 |
| Full interior finish package for ADU | $45,000 – $95,000 |
| Whole-home addition (400 – 700 sq ft) | $190,000 – $380,000 |
| Primary suite addition | $110,000 – $210,000 |
| Single room addition (150 – 250 sq ft) | $65,000 – $130,000 |
| Bathroom addition | $40,000 – $75,000 |
What pushes a Clovis project toward the top of those ranges? Two things mostly: the level of HVAC and insulation work needed to handle the summer heat, and site conditions on older lots near Old Town where access and setbacks get tighter. Whatever the number, you’ll see it in writing before any work starts.
Neighborhoods We Serve in Clovis
We work across Clovis, from the newer subdivisions in the northeast to the established neighborhoods closer to Old Town. Response times vary by how far the crew is from the job, but most Clovis homeowners can get us out for an estimate within a day or two of calling.
- Old Town Clovis
- Clovis East / Harlan Ranch area
- North Clovis (Shepherd / Willow area)
- South Clovis (Shaw / Temperance area)
- Southeast Clovis (Dewitt / Locan subdivisons)
Service Area – Cities Near Clovis
Our Clovis crews regularly handle work in the surrounding Central Valley communities too. If you’re a few exits down Highway 168 or over in the next town, we can help. We also serve Fresno, CA, Sanger, CA, Fowler, CA, and Madera, CA. Scheduling is coordinated through our Fresno, Central Valley office, with crews serving Clovis locally.
Serving Clovis, CA - Our Local Coverage Area
We’re based in the Clovis 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 Clovis

Yes. Clovis requires permits for ADUs, including prefab and modular units. The city has fast-track permitting for ADUs that meet certain state standards, which can shorten the timeline meaningfully. We handle the entire permit package and coordinate directly with the city so you don’t have to navigate it alone. Call (559) 206-2363 and we’ll walk you through what applies to your lot.
Many Clovis neighborhoods do have HOAs, and rules vary by association. California state law limits how much an HOA can restrict ADUs, but it can’t eliminate the need to follow architectural guidelines. We review your HOA’s CC&Rs early in the process so there are no surprises after you’ve already started planning. Our estimates are free – call us to talk through your specific situation.
A prefab ADU typically goes from permit approval to move-in in four to seven months in Clovis. Site-built units usually run six to twelve months depending on scope, finish level, and any site challenges. Clovis’s fast-track permit process helps on the front end. We’ll give you a written schedule alongside your written price so you know what to expect. Call (559) 206-2363 for a free estimate for your specific project.
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 Clovis Customers Say
"Fixed quote and clear change orders approved by text."
- Trina M."Communication was the best part. I always knew what was happening that week without having to ask."
- Dolly N."Home addition blends in with the original house."
- Vic S.




