A Sutton company - serving Fresno, CA
A quiet residential street with a new ADU behind one of the homes
Fresno, CA

ADU Company in Fresno - Design, Permits and Build Under One Contract

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
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Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in Fresno
🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
The bedroom inside a new ADU
The bathroom inside a new ADU
A second-story addition that matches the existing roofline
A second-story addition with a balcony, matched to the original house
A single-story rear room addition with tall windows and a new patio
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

Get your free estimate

ADU Company in Fresno, CA

Fresno homeowners add square footage differently than almost anywhere else in California. The city’s older ranch homes sit on wide lots with alley access, the summers push 105 degrees, and the flat terrain means foundation work goes quicker than in the hills east of town. That combination shapes every ADU, room addition, and home addition we build here. If you’re weighing a detached backyard unit or a bump-out on a 1960s Sunnyside rancher, we can give you a written price before any work starts. Call (559) 785-0627 to talk through your lot.

Call (559) 785-0627

Why Fresno Homes Are Different

A small deck outside a new ADU

Most of Fresno’s housing stock was built between the 1950s and 1980s, and a lot of it is single-story ranch construction on generous lots. That’s a real advantage for ADU work. A detached unit in a Tower District backyard or off the alley behind a Sunnyside home rarely fights the property line the way a tight infill lot would in a denser city. The wide alleys behind many central Fresno neighborhoods are a leftover from the city’s early planning grid, and they’re a gift for anyone who wants a backyard ADU with its own access and parking without tearing up the front yard.

Heat is the other big variable. Fresno summers routinely cross 100 degrees, so insulation and HVAC sizing aren’t optional details. We spec attic insulation and mini-split systems for rooms that actually hold temperature in July. The mild winters, though, keep foundation requirements simpler than in freeze zones, which trims cost and time on most jobs. Add Fresno’s newer ADU ordinance and pre-approved plan options, and a detached build that might stall in other cities moves faster here.

Our Main Fresno Services

The two calls we get most often in Fresno are for detached ADUs and for additions that add a bedroom or a larger living space to the existing house. Each service has its own Fresno page with pricing and local specifics.

Home Addition Contractor in Fresno

A home addition in Fresno usually means extending the footprint of a 1950s or 1960s ranch. Common projects off neighborhoods like Fig Garden and Tower District include adding a primary suite, expanding a kitchen, or building a family room onto the back of the house. The flat lots help with foundation work, but the heat means we plan for real insulation and properly sized HVAC runs so the new space doesn’t bake in August. Written price first, then a crew you’ve already seen by name and photo. Learn more on our Home Addition Contractor in Fresno page.

Home Addition Contractor in Fresno

ADU Builders in Fresno

Detached ADUs fit Fresno’s lot patterns better than almost any other build type. A 1960s ranch with alley access in Sunnyside or a wide backyard in the Tower District can host an 800 to 1,200 square foot unit without touching the front yard. We work with prefab lines including Abodu and Cover where the lot allows, and we handle the site work, foundation, utilities, and finish trades for a complete build. The ADU Builders in Fresno page has the full pricing breakdown and local permit notes.

ADU Builders in Fresno

Room Addition Contractor in Fresno

A room addition in Fresno is often the right call when you need one extra bedroom or a home office and don’t want to move. On older central Fresno homes, that means tying a new foundation into an existing slab, matching rooflines, and making sure the new HVAC branch actually reaches the added space. We cover all of that with a written price and a 365-day promise on workmanship. See the Room Addition Contractor in Fresno page for room-specific costs.

Room Addition Contractor in Fresno
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (559) 785-0627

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Fresno

We install and finish ADUs and additions from several product lines, including Abodu, Cover, Dvele, and Mighty Buildings, plus Tuff Shed conversions and James Hardie exterior systems. See our brands page for the full list. Parts and panels typically arrive from regional suppliers within a week or two in Fresno, and we coordinate delivery with your site schedule.

Pricing for ADU Company in Fresno, CA

Service Typical range in Fresno
Detached ADU, 400 – 600 sq ft $120,000 – $180,000
Detached ADU, 600 – 800 sq ft $180,000 – $260,000
Detached ADU, 800 – 1,200 sq ft $260,000 – $380,000
Garage conversion to ADU $90,000 – $160,000
Prefab ADU (Abodu, Cover, Dvele, Mighty Buildings) $140,000 – $320,000
Room addition, 200 – 350 sq ft $75,000 – $130,000
Room addition, 350 – 500 sq ft $130,000 – $190,000
Home addition, 500 – 800 sq ft $190,000 – $300,000
Home addition, 800 – 1,200 sq ft $300,000 – $420,000
Site work, foundation, utility trenching $15,000 – $45,000
HVAC and insulation upgrades (for Fresno heat) $8,000 – $22,000

What pushes prices up in Fresno is usually site access, soil conditions, and the level of HVAC and insulation the summer demands. A detached unit on an alley lot with easy equipment access costs less than one that requires a long utility trench. Every project gets a written price before work starts, so the number you approve is the number you pay.

Neighborhoods We Serve in Fresno

The living room inside a new ADU

We work across the Fresno metro, from the central historic districts to the newer edges of the city. Most of our calls come from homeowners in the single-story ranch neighborhoods where lot sizes make ADUs and additions practical.

  • Tower District
  • Sunnyside
  • Fig Garden
  • Hoover
  • Bullard

Most Fresno neighborhoods are within a 20 to 30 minute drive of our scheduling office, so site visits and estimates are easy to arrange.

Service Area – Cities Near Fresno

Beyond Fresno proper, we take ADU and addition projects in nearby Central Valley communities. You’ll find local details for Clovis, CA, Madera, CA, Sanger, CA, and Fowler, CA on their own pages. If your lot is in one of those cities, those pages cover pricing and permit specifics for your area.

Serving Fresno, CA - Our Local Coverage Area

We’re based in the Fresno 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 Fresno

A new sunroom addition with three walls of windows

Ready to get started? Free estimates · Free written quotes response in Fresno
Call (559) 785-0627

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Fresno Customers Say

★★★★★ 4.9 from 7+ reviews

"Straight answers on what we could and couldn't do on our lot."

- Edwin H.

"Backyard ADU for my mother. The project manager showed ID and walked me through the permit steps, the foundation plan, and the schedule. Moved her in on time."

- Margaret C.

"Detached unit with a small kitchen and bath. Windows and finishes were nicer than I expected for the budget."

- Philip S.

How It Works in Fresno

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Fresno - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

More ADU services in Fresno

Every build below starts the same way: a free site visit and a written price.

Getting started with Sutton in Fresno

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

Book a site visit
A building crew carrying lumber to a backyard ADU site

Your Fresno team

A local crew that works across Fresno and the towns around it, to the same written standard as every Sutton location.

Areas we serve
A worker protecting the lawn before an ADU build starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

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