A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Colleyville, TX
An ADU in Colleyville usually costs between $180,000 and $375,000 depending on whether you choose a prefab unit from a brand like Dvele or Boxabl, or a site-built detached structure on one of the city’s larger estate lots. Colleyville is different from most Dallas-Fort Worth suburbs because the housing stock is custom, the lots are big, and the city expects any new structure to match the home it sits beside. That raises the bar for design and finish work, and it changes how we quote, plan, and build here. If you’re weighing an ADU, a home addition, or a room addition in Colleyville, call us at (682) 204-9686 and we’ll walk you through what’s realistic on your specific lot.
Why Colleyville Homes Are Different
Colleyville’s housing stock skews large, custom, and recently built. Most homes went up from the 1980s forward, with brick or stone veneers and steeply pitched roofs, and they sit on lots that often approach or exceed an acre. That’s a genuine advantage for ADU construction because there’s usually room in the side or rear yard. But Colleyville’s zoning codes require large minimum lot sizes for many residential zones, and setbacks are restrictive. A detached ADU that would be a simple drop-in on a typical suburban lot in Euless or Bedford may need a more careful site plan here.
The climate adds another layer. North Texas summers are hot and humid, and winter can bring a hard freeze. Any ADU or addition in Colleyville needs serious air conditioning, proper insulation, and a foundation design that accounts for the expansive clay soils common across the area. Clay moves when moisture levels change, and that movement is a known cause of slab cracks and door misalignment. We plan for it from day one.
One more Colleyville-specific reality: most neighborhoods have no alleys. Adding a detached ADU often means cutting a new driveway approach from the street, which triggers site plan review and, in some communities, HOA approval before a permit is ever pulled. That’s not a reason to avoid the project. It’s a reason to work with a builder who has done it in Colleyville and knows which questions to ask first.
Our Main Colleyville Services
Most Colleyville homeowners contact us about one of three projects: a detached or attached ADU, a larger home addition, or a focused room addition. Each has its own page with specific pricing and Colleyville considerations, linked below.
ADU Builders in Colleyville
A detached ADU on a Colleyville estate lot gives you a true separate living space, whether that’s for aging parents, adult children, or a rental unit. The city’s design standards mean the structure needs to complement the main house, not stand out as an afterthought. We build both prefab ADUs from brands like Plant Prefab and Mighty Buildings, and site-built units when the lot or HOA calls for something custom. The lot size and setback rules in Colleyville usually determine which approach makes sense before we ever talk about floor plans. ADU Builders in Colleyville covers the full breakdown.
Home Addition Contractor in Colleyville
A home addition in Colleyville is often the right answer when the lot can’t accommodate a detached unit, or when the goal is expanding the main house rather than creating a separate address. These jobs typically involve matching brick or stone veneer, roof tie-ins that respect the original pitch, and HVAC extensions that keep the new space comfortable through a Texas summer. Colleyville’s upscale homes demand additions that look original to the structure, not bolted on. Home Addition Contractor in Colleyville explains how we approach that.
Room Addition Contractor in Colleyville
A room addition is the smaller, more surgical version of a home addition: a single bedroom, a home office, a sunroom, or a guest suite. In Colleyville, we see a lot of these built as ground-floor primary suites for homeowners who want to age in place without stairs. The clay soil and freeze cycles matter here too, because the new foundation has to tie into the existing slab without creating a crack line. Room Addition Contractor in Colleyville has the specifics on scope and cost.
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 Colleyville
We’re authorized to build with Dvele, Mighty Buildings, and Boxabl, among other prefab brands, and we source James Hardie cladding for site-built work. Parts and panels ship to the Dallas-Fort Worth metro and we coordinate delivery to Colleyville jobsites. See our brands for the full list.
Pricing for ADU Company in Colleyville, TX
| Service | Typical range in Colleyville |
|---|---|
| Studio ADU (prefab) | $180,000 – $265,000 |
| One-bedroom ADU (prefab) | $240,000 – $315,000 |
| Two-bedroom ADU (prefab) | $300,000 – $375,000 |
| Attached ADU / JADU conversion | $155,000 – $240,000 |
| Site-built detached ADU | $275,000 – $375,000+ |
| Detached home addition (400 – 600 sq ft) | $160,000 – $230,000 |
| Attached home addition (400 – 600 sq ft) | $130,000 – $200,000 |
| Room addition (200 – 400 sq ft) | $90,000 – $145,000 |
| Garage conversion to living space | $85,000 – $140,000 |
| Foundation / slab work (new addition) | $12,000 – $28,000 |
What pushes price up in Colleyville is almost always the site work: long driveway approaches, tree removal, clay soil corrections, and HOA-mandated finish standards. What won’t push the price up is change orders after we start. We put the full price in writing before any work begins.
Neighborhoods We Serve in Colleyville
We work across Colleyville, from the estate communities near the northern edge of the city down to the neighborhoods around Colleyville Boulevard. Each area has its own HOA nuances and lot patterns, so we always check the specific restrictions for your address before quoting.
- Montclair Parks
- Remington Park
- Whitley Park
- Laurel Ridge
- Woods of Colleyville
Scheduling for an estimate in Colleyville typically happens within a few business days, depending on our current project load across the metro.
Service Area – Cities Near Colleyville
Benson ADU Fort Worth schedules Colleyville jobs from our Dallas-Fort Worth office, and we also serve nearby communities including Bedford, TX, Euless, TX, Southlake, TX, and Haltom City, TX. If you’re just outside Colleyville and unsure whether we cover your street, call and ask.
Serving Colleyville, TX - Our Local Coverage Area
We’re based in the Colleyville 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 Colleyville
Most Colleyville ADU projects move from signed agreement to permit submittal within three to six weeks, depending on whether the job needs site plan review, HOA approval, or a new driveway approach. The city’s review process is methodical, and we’re transparent about the timeline before you commit. Call (682) 204-9686 and we’ll give you a realistic schedule for your lot.
Yes. Colleyville requires permits for virtually all ADU, addition, and room addition work, and detached units typically trigger site plan review because of the city’s setback and lot-size rules. We pull all permits and manage inspections. No work begins on your property without the proper approvals in hand.
We coordinate with your HOA as part of the project. Many Colleyville communities have design review requirements for accessory structures, and some restrict detached ADUs entirely. We’ll review your specific HOA rules early so you know exactly what’s possible before you spend money on plans. Call (682) 204-9686 for a free estimate and we’ll walk through it together.
If you’re ready to talk numbers or just want to know whether your Colleyville lot can support an ADU, call Benson ADU Fort Worth at (682) 204-9686 today. We’ll give you a written price and a straight answer.
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 Colleyville Customers Say
"Garage conversion into a guest suite. I could see the permit status in the app, which made it painless."
- Rick F."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."Communication was the best part. I always knew what was happening that week without having to ask."
- Dolly N.
