A Fielding company - serving Dallas, TX
A quiet residential street with a new ADU behind one of the homes
Mesquite, TX

ADU Company in Mesquite - Plans, Permits & Build, One Fixed Price

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 Dallas
🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
A small deck outside a new ADU
The living room inside a new ADU
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
An attached garage converted into living space
A new sunroom addition with three walls of windows
A kitchenette inside a converted garage
Every project starts with

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

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ADU Company in Mesquite, TX

Mesquite sits in a rare position for ADU work: brick ranch homes from the 1960s and 1970s on lots big enough to build on, inside Dallas County but outside Dallas city limits. That means county and city rules overlap, and the right build depends block by block. Fielding ADU Builders handles that patchwork daily, and our Mesquite team prices every project in writing before the first permit is pulled. Call (903) 342-8977 to talk through your lot.

Call (903) 342-8977

Why Mesquite Homes Are Different

The bedroom inside a new ADU

Most Mesquite homes are single-story brick ranches built between 1960 and 1985, on 7,000 to 10,000 square foot lots. The slab foundations and composition shingle roofs are consistent, but what’s underneath is not. Many of the original galvanized water lines are still in the ground in neighborhoods like Casa View Heights and Skyline, and 100-amp electrical panels are common. Almost every ADU or addition here starts with a utility upgrade: a panel swap to 200 amps, a sewer lateral replacement, or both, before a single wall goes up.

The climate adds another layer. Mesquite gets hot, humid summers and hard thunderstorms. HVAC sizing has to account for July heat, not just square footage. Hail-resistant roofing and drainage that moves water away from a slab matter more here than in drier parts of the metro. And the expansive clay soil under Mesquite means foundation movement is a constant concern. We plan for it on every build, from pier depth to how we tie the new slab to the house.

Our Main Mesquite Services

Most Mesquite homeowners call us about one of three things: adding a room, converting a garage, or building a full ADU in the backyard. Each has its own page with local pricing and the specifics of how it works here.

Room Addition Contractor in Mesquite

A room addition on a Mesquite ranch home usually means extending off the back or side, which triggers setback rules and often a variance request. The existing slab and roof tie-in set most of the engineering. We start every addition here with a written price and a permit plan, and we flag any panel or sewer work before it becomes a surprise. Read more on our Room Addition Contractor in Mesquite page.

Room Addition Contractor in Mesquite

Garage Conversion Contractor in Mesquite

Mesquite’s separate garages and attached two-car bays make conversions one of the fastest ways to add living space. The real work is in the utilities: running sewer to a detached garage, upsizing the panel, and insulating for Texas summers. We price the conversion with those upgrades included, not as a change order later. See our Garage Conversion Contractor in Mesquite page for the full breakdown.

Garage Conversion Contractor in Mesquite

ADU Builders in Mesquite

Backyard ADUs in Mesquite work best on the larger lots that give you room to build while keeping a yard. The main question is usually build method: prefab, modular, or conventional stick-built. We work with all three and match the method to your lot, budget, and the county’s permitting path. Details and local pricing on our ADU Builders in Mesquite page.

ADU Builders in Mesquite
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (903) 342-8977

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 Mesquite

We install and finish ADUs from Boxabl, Plant Prefab, and Tuff Shed, plus conventional builds with James Hardie siding. Parts for these systems are stocked at our Dallas-Fort Worth office, which keeps most Mesquite jobs moving without a supply run. See our brands for the full list.

Pricing for ADU Company in Mesquite, TX

Service Typical range in Mesquite
Garage conversion (attached) $45,000 – $75,000 before permit fees
Garage conversion (detached) $60,000 – $95,000 before permit fees
ADU, prefab (Boxabl, Plant Prefab) $120,000 – $180,000 all-in
ADU, modular (Tuff Shed-style structure, finished) $90,000 – $150,000 all-in
ADU, conventional stick-built $180,000 – $300,000 all-in
Room addition (standard single room) $60,000 – $110,000 before permit fees
Electrical panel upgrade to 200 amps $2,500 – $4,500
Sewer lateral replacement $4,000 – $8,000
HVAC system for new ADU $6,000 – $12,000

In Mesquite, the two biggest price movers are utility upgrades and lot conditions: a 100-amp panel, galvanized sewer lines, or clay soil that needs deeper piers will push the number up before any finish work starts. That’s why we put the full price in writing after a site walk, not a phone estimate. The number you approve is the number on the final invoice.

Neighborhoods We Serve in Mesquite

We run jobs throughout Mesquite, from the older brick streets near the center to the larger lots on the edges. Our crews are in Mesquite weekly, and response for a site walk is usually within a few days.

  • Casa View Heights
  • Skyline
  • Meadow Creek
  • Palos Verdes
  • Eastridge

Service Area – Cities Near Mesquite

Beyond Mesquite, we cover the surrounding Dallas County communities: Sunnyvale, TX, Seagoville, TX, Irving, TX, and Hutchins, TX. Each city has its own permit office and its own quirks, and we handle them the same way: written price, permitted work, one-year written guarantee.

Serving Mesquite, TX - Our Local Coverage Area

We’re based in the Mesquite 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 Mesquite

The bathroom inside a new ADU

Ready to get started? Free estimates · Written quotes before work starts response in Mesquite
Call (903) 342-8977

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 Mesquite Customers Say

★★★★★ 4.9 from 7+ reviews

"Good addition. Electrical inspection delayed a week, which was the county, but the build is great."

- Eva K.

"Garage conversion with a new bath and kitchenette. Permit was handled by them. Inspection passed first time."

- Sheila B.

"Built a detached ADU behind our house. The builder is a veteran and runs the site like a platoon: schedule posted, crew on time, everything labeled. Finished within a few days of the date."

- Ken W.

How It Works in Mesquite

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 Mesquite - 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 Mesquite

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

Getting started with Fielding in Dallas

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 Dallas team

A local crew that works across Dallas and the towns around it, to the same written standard as every Fielding 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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