A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Selma, CA
Adding an ADU in Selma, CA usually costs between $185,000 and $420,000 for a detached unit, depending on size, site conditions, and finish level. What makes Selma jobs different from work in nearby cities is the combination of expansive R-1 zoning, large flat lots on the east side, and soil conditions that demand careful foundation planning. Benson ADU Builders handles everything from the first site walk to final inspection, with a written price before any work starts. If you’re weighing an ADU on your Selma property, call (559) 206-2363 for a free estimate.
Why Selma Homes Are Different
Most of Selma’s housing stock is modest single-story ranch and Spanish-style homes built between the 1950s and 1980s. You’ll see wood-frame construction with stucco exteriors across the older neighborhoods west of Highway 99 and in the newer subdivisions pushing east. Those simple roof lines and accessible utility connections make many Selma properties genuinely good candidates for attached or detached ADUs. But there are two things a builder unfamiliar with Selma won’t catch until it’s too late.
First, the high water table and heavy clay soils common throughout the area mean the foundation strategy matters more here than in many Central Valley cities. Clay shifts as it absorbs and releases moisture, and a high water table can push against a slab from underneath. We specify foundation and drainage designs for Selma specifically, not a generic California detail. Second, older neighborhoods west of Highway 99 often have shallow sewer laterals. Adding a second dwelling sometimes means upgrading the lateral to the street before the ADU ever gets framed, a $4,000 to $9,000 cost most homeowners don’t see coming.
Selma’s hot, dry summers routinely pass 100°F, while winter brings cool, foggy conditions. An ADU here needs insulation and HVAC sized for sharp temperature swings, not just a mini-split thrown in as an afterthought. The low annual rainfall is a plus, keeping moisture-related issues lower than coastal markets, but the heat is relentless from June through September. We plan for that reality in every Selma project from day one.
Our Main Selma Services
Selma homeowners call us most often about two things: adding a detached ADU in the backyard, and expanding the footprint of the existing house. Here’s how each works in Selma.
ADU Builders in Selma
Detached ADUs in Selma make a lot of sense given the R-1 zoning and the large, flat lots on the east side of town. We build both site-built and prefab ADUs, including units from ADU Builders in Selma partners like Abodu and Dvele, which let homeowners see the floor plan and price before committing. On a typical Selma lot, we handle setbacks, utility runs, foundation design for clay soils, and everything through final inspection. Each project starts with a written price and a defined scope, so you know what you’re paying before ground breaks.
Home Addition Contractor in Selma
Many Selma homes from the 1950s to 1980s were built with modest footprints that don’t match how families live today. A home addition means expanding the existing structure, whether that’s a new primary suite, a larger kitchen, or a family room that opens to the backyard. Selma’s stucco exteriors and straightforward roof lines make tying new work into the existing house cleaner than in cities with older or more complicated architecture. See Home Addition Contractor in Selma for the full scope of what an addition project involves here.
Room Addition Contractor in Selma
A room addition is the smaller version of the same idea: one new bedroom, an office, a den, or a playroom added onto the existing floor plan. In Selma, we commonly see homeowners add a room when a parent moves in, when a remote-work setup demands a quiet space, or when a growing family needs one more bedroom. The clay soil and foundation considerations still apply, but the scope is tighter and the timeline shorter. See Room Addition Contractor in Selma for typical ranges and what the build involves.
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 Selma
We build with and service ADUs from James Hardie, Abodu, Cover, and Dvele. Prefab panels and materials are coordinated from our Central Valley office and delivered to Selma job sites on schedule, which keeps construction timelines tighter than fully site-built projects. Visit our brands to compare the options side by side.
Pricing for ADU Company in Selma, CA
| Service | Typical range in Selma |
|---|---|
| Detached ADU (site-built) | $185,000 – $420,000 |
| Detached ADU (prefab) | $165,000 – $295,000 |
| Attached ADU (garage conversion) | $95,000 – $175,000 |
| JADU conversion (attached, under 500 sq ft) | $70,000 – $125,000 |
| Home addition (attached, 400 – 800 sq ft) | $95,000 – $190,000 |
| Room addition (single room, 150 – 300 sq ft) | $45,000 – $95,000 |
| Foundation upgrade for clay soils | $6,000 – $18,000 |
| Sewer lateral replacement or upgrade | $4,000 – $9,000 |
| Site prep and drainage correction | $3,500 – $11,000 |
| Architectural and engineering plans | $3,000 – $8,000 |
What pushes a Selma ADU toward the higher end is usually the foundation. Clay soils that require piers, a raised floor system, or drainage correction add real cost. Sewer lateral upgrades in older neighborhoods west of Highway 99 are the other common surprise. You get a written price covering these line items before any work starts, and that price is what you pay unless you change the scope yourself.
Neighborhoods We Serve in Selma
We cover all of Selma, from the older tree-lined streets west of Highway 99 to the open-lot subdivisions on the east side. Every neighborhood has different soil, sewer, and setback realities, and we evaluate each property on its own terms rather than applying a cookie-cutter approach.
- West Selma (historic grid, older homes, shallow laterals)
- East Selma (large flat lots, newer construction, R-1 zoning)
- Downtown Selma core
- Neighborhoods near Selma High School
- Areas along Floral Avenue and Rose Avenue
Response time across Selma is typically same-week for estimates, and we coordinate scheduling so you’re not waiting weeks between the first call and the first site visit.
Service Area – Cities Near Selma
Benson ADU Builders serves Selma and the surrounding Central Valley communities. If you’re a few miles down Highway 99 or just outside city limits, we can help. We regularly work with homeowners in Fowler, CA, Parlier, CA, Kingsburg, CA, and Reedley, CA. Call (559) 206-2363 and we’ll confirm coverage for your specific property.
Serving Selma, CA - Our Local Coverage Area
We’re based in the Selma 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 Selma
After the initial estimate and site walk, most Selma projects begin the design and permitting phase within two to three weeks. The full timeline depends on permit review, soil testing, and whether your property needs a sewer lateral upgrade. Call (559) 206-2363 for a realistic schedule for your address.
Most central Selma neighborhoods have no HOA, but some newer east-side subdivisions do. If you’re in an HOA-governed community, we’ll review the CC&Rs with you before any design work begins so there are no surprises later. State law limits how much an HOA can restrict ADUs, but the rules vary by association.
No. Your written price covers the scope we agreed on. The only time the number changes is if you ask us to add or change something mid-project, and we always put that change in writing before proceeding. It’s the same approach we bring to every Selma project: no verbal estimates, no scope creep billed after the fact. Call (559) 206-2363 to get your project priced.
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 Selma Customers Say
"Great build. Inspection delay, the county's fault, pushed things a week, but updates were clear."
- Soo-jin P."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."Fixed quote and clear change orders approved by text."
- Trina M.
