A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Coppell, TX
Fielding ADU Builders designs and constructs accessory dwelling units, garage conversions, and room additions in Coppell, Texas. Most Coppell jobs involve working within an existing 1980s – 2000s brick-veneer footprint rather than building detached structures, because the lots here tend to be compact. Clay-rich expansive soil also drives foundation decisions on any detached ADU. Reed Calloway leads our Coppell work, and you can reach us at (903) 342-8977 for a written price on your project.
Why Coppell Homes Are Different
Coppell’s housing stock is mostly 1980s through 2000s brick-veneer single-family homes, many of them two-story traditional designs set on relatively compact lots. That matters for ADU work because the rear yards often don’t have enough room for a detached unit. Homeowners instead look at garage conversions or second-story additions that stay within the existing footprint. The city’s 2019 ADU ordinance allows attached and detached units as accessory to a principal single-family dwelling, but it requires owner-occupancy. Coppell isn’t building an investor rental market; it’s building housing for families who plan to stay.
Hot, humid summers mean any ADU here needs high-efficiency HVAC sized correctly from day one. Severe thunderstorms roll through often enough that we frame and flash for wind-driven rain, not just appearance. Underneath it all, the clay-rich expansive soils around Coppell shift with moisture. A detached ADU needs a foundation designed to move with that soil, not fight it.
In established neighborhoods like Northlake Woodlands and Mockingbird Hill, older homeowners often want a ground-floor in-law suite so they can avoid stairs. HOA rules on exterior appearance are strict there. The workable answer is usually an addition or conversion that matches the original brick and roofline closely enough that it reads as part of the original house, not a bolt-on.
Our Main Coppell Services
Two types of work dominate the calls we take in Coppell: room additions for growing households and garage conversions or ADUs for multigenerational living. Each has its own dedicated Coppell page with pricing and details.
Room Addition Contractor in Coppell
A room addition in Coppell usually means extending the first floor or adding a second-story bump-out. Given the lot sizes, going up is often the only direction available. We pull Coppell permits, match the brick on the new exterior, and run HVAC ducting sized for Texas summers. For a full breakdown of what a room addition costs here and how the Permitting process works, see our Room Addition Contractor in Coppell page.
Garage Conversion Contractor in Coppell
Coppell garages from the 1980s and 1990s are frequently single-bay or shallow two-car layouts, which makes a conversion the practical path to an in-law suite or a home office. We handle insulation, flooring, HVAC, and bringing the wall assembly up to Coppell code. For local pricing and the step-by-step sequence, read our Garage Conversion Contractor in Coppell page.
ADU Builders in Coppell
For Coppell homeowners with enough rear setback, a detached ADU can work, provided the foundation accounts for expansive soil and the exterior satisfies HOA design review. We build conventional framed ADUs, and we’re fluent with prefab platforms that shorten on-site time. Our ADU Builders in Coppell page has the full scope, including Coppell-specific permitting notes.
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 Coppell
We work with James Hardie siding, Tuff Shed-style structures, and the Boxabl prefab platform on Coppell projects. We keep close relationships with local suppliers for parts and panel delivery, so lead times stay predictable. See our brands for the full list of platforms we support.
Pricing for ADU Company in Coppell, TX
| Service | Typical Range in Coppell |
|---|---|
| Garage conversion to living space | $75,000 – $145,000 |
| Detached ADU, prefab platform (Boxabl) | $120,000 – $210,000 |
| Detached ADU, conventional frame | $180,000 – $320,000 |
| Ground-floor in-law suite addition | $95,000 – $185,000 |
| Second-story room addition | $110,000 – $220,000 |
| ADU garage conversion with full kitchen | $95,000 – $175,000 |
| Structural foundation work (expansive soil) | $8,000 – $25,000 |
| HVAC rough-in for ADU | $7,000 – $18,000 |
Two things push Coppell prices upward before anyone swings a hammer: HOA-mandated exterior finishes that must match the main house, and foundation upgrades required by the clay soil. We put the total price in writing before work starts, and that number is the number on your final invoice.
Neighborhoods We Serve in Coppell
We cover the full city, from the 1980s-era streets through the newer subdivisions. Because Coppell is compact, we can typically be on site for a measure and estimate within a day or two of your call.
- Northlake Woodlands
- Mockingbird Hill
- Andrews Estates
- Winding Hollow
- Cypress Waters (Coppell side)
Service Area – Cities Near Coppell
Fielding ADU Builders serves Coppell and the surrounding area. We regularly work in Carrollton, TX, Grapevine, TX, Dallas, TX, and Irving, TX. If your project sits in one of those cities, call us for the same written price and one-year guarantee we offer in Coppell.
Serving Coppell, TX - Our Local Coverage Area
We’re based in the Coppell 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 Coppell
Yes. Coppell’s 2019 ADU ordinance requires the owner to live on the property, and ADUs are permitted only as accessory to a principal single-family dwelling. This is not a market for absentee investor rentals. Call (903) 342-8977 if you want to confirm how the rule applies to your lot.
Most Coppell HOAs require exterior materials and rooflines to match the main house. In practice, that often means brick that matches the original and window styles that blend, not contrast. We factor design-review requirements into the estimate from day one so the price you approve already accounts for them.
No. The price we hand you before any work starts is the number on the final invoice. If we find something during the build, we put any change in writing and get your approval before spending a dollar. That is the Garrison Standard, and it applies to every Coppell job we take. Call (903) 342-8977 for a free estimate on your 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 Coppell Customers Say
"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."Room addition over the back patio. Framing is square, windows are tight, and the roofline matches."
- Danny L."Insulation, drywall, and finishes were all well done. Feels like part of the house."
- Pete O.
