Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterFast, Reliable Home Additions & ADU Across Trophy Club
Home additions and ADU construction in Trophy Club typically run $45,000 to $130,000 depending on scope, and most projects here face a two-step approval process that out-of-town contractors regularly trip over. Before the Town of Trophy Club will even look at a permit application for exterior work, the HOA’s Architectural Review Committee has to sign off first. That’s the reality in a master-planned community like this one, and it’s why our Home Additions & ADU team handles ARC submission, permit pulling, and construction as one continuous process rather than a series of surprises. If you’re weighing a garage conversion, a detached ADU, or a second-story addition, call (877) 610-1318 and we’ll give you a line-by-line scope in writing before anything gets built.
Key Takeaways for Trophy Club Homeowners
- Home additions in Trophy Club run $45,000-$130,000; detached ADUs start around $90,000 and can reach $220,000 for high-spec builds.
- The Town of Trophy Club requires written ARC approval from your HOA before a building permit application can be accepted for exterior work.
- Golf-course-adjacent lots bring grading and drainage requirements most builders never mention until the change order arrives.
- Every Barrett & Sons job includes written change orders before scope changes, permits pulled, and a 90-Day Done Right Promise in the contract.
- Call (877) 610-1318 for a free estimate. A live person answers, day or night.
Why Barrett & Sons Construction Is Trophy Club’s Preferred Home Additions & ADU Company
Tom Barrett founded this company in 1998 and his sons run the crews. When a homeowner on Diamond Loch Drive or along Trophy Club Drive calls, the person who picks up the phone knows the difference between a junior ADU off a primary bedroom and a detached build over a garage, because we’ve built both in this community. You won’t get a call center, and you won’t get a different crew every week. You get Tom’s name, his address, and his license number, published and verifiable before you sign anything.
Trophy Club presents a specific kind of challenge: executive homes built between the mid-90s and the 2010s, many of them backing directly onto the Trophy Club Country Club golf course. Those lots need grading and drainage coordination that satisfies both the HOA’s landscaping standards and the club’s runoff policies. We’ve done that work. We know what the ARC looks for, and we know what the Town of Trophy Club building department will and won’t accept. That’s not the kind of knowledge you get from a national outfit dispatching a different subcontractor to every job.
Our customers in Trophy Club come back to us for the same three reasons: written change orders before any scope shift, permits pulled and inspections signed, and a 90-Day Done Right Promise on every contract. If it’s not done right, Tom comes back and makes it right. One call.
Our Home Additions & ADU Services in Trophy Club
ADU Design & Permitting
An ADU in Trophy Club almost always requires both HOA Architectural Review Committee approval and a Town of Trophy Club permit. We handle both. We’ll draw the plans, submit them to the ARC, track the review timeline, then pull the municipal permit once written approval lands. Skipping the ARC step first is the most common mistake we see, and it’s an expensive one when a stop-work order lands mid-framing. Our Home Additions & ADU process starts with a site visit and a written scope, so you know the full approval path before you spend a dollar.
Garage Conversion ADU
A garage conversion in Trophy Club typically runs $30,000 to $80,000 and can add a rental unit, an in-law suite, or a home office without expanding your footprint. Many of the homes we work on in the 76262 ZIP have three-car garages, which gives you room to convert one bay and keep two for vehicles. Foundation work matters here because of the expansive clay soils under Trophy Club, so we start with a slab inspection and drainage plan before any framing goes up.
New Detached ADU
Detached ADUs in Trophy Club are a bigger lift: $90,000 to $220,000 depending on size, finishes, and site conditions. Lots backing to the golf course come with grading rules and runoff constraints that a builder working off a generic plan won’t catch. We design from your actual lot, not a catalog, which means the setback, drainage, and ARC compliance are handled before the foundation is poured. It’s the difference between a project that moves on schedule and one that stalls for an extra eight weeks waiting on a revision.
Junior ADU & Interior Conversion
A junior ADU, or JADU, converts existing interior space like a bonus room, formal dining room, or a walk-out basement into a self-contained living unit with its own entrance and efficiency kitchen. These projects are often the fastest path to multi-generational housing in Trophy Club, because they don’t always trigger the same exterior review process. Interior work that doesn’t change the home’s footprint or roofline can move more quickly, though any new exterior door still needs ARC approval. We’ll tell you exactly which approvals apply to your specific conversion before we start.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
What to Look For in a Trophy Club Addition Contractor
Most of the homeowners we sit down with have already talked to at least one other contractor before calling us. Usually it’s a national outfit that quoted a low number over the phone and then handed over a different number once the crew showed up. Here’s what separates a contractor who can actually build in Trophy Club from one who can’t.
First, ask about the ARC process. A contractor who has never worked in a deed-restricted community won’t know that the Town of Trophy Club will not accept a permit application for exterior work without prior written ARC approval. If they shrug at that question, you’ve found your answer. Second, ask for written change orders, not verbal promises. Tom Barrett’s rule is simple: the allowance that isn’t on paper is a surprise waiting for a date. Third, ask for a license number and look it up. Tom publishes his, and he’ll tell you to verify it before you sign anything. Any contractor who bristles at that request is telling you something.
Local Conditions That Affect Home Additions & ADU in Trophy Club
Trophy Club sits on expansive shrink-swell black clay in the North Texas Cross Timbers zone. The wet-dry seasonal swings here cause measurable foundation heave and settlement, which means soil prep and drainage engineering are not optional line items on your estimate, they’re the difference between an addition that stays square and one that cracks in the first drought cycle. Any structural addition, including garage conversions and second-story work, needs a foundation evaluation and a drainage plan that accounts for the specific movement patterns of these soils.
We also see a lot of homes in Trophy Club entering their first major renovation cycle. Homes built between 1995 and 2010 are hitting the 15-to-30-year mark, which is when original roofing, HVAC, and plumbing systems start failing at the same time owners want new space. A smart addition plan accounts for the load on existing systems, not just the new square footage. If your HVAC can’t handle 600 more square feet, the addition loses value fast. We’ll flag that in the written scope before we ever pour a footing.
Pricing for Home Additions & ADU in Trophy Club, TX
The honest range for a home addition in Trophy Club is $45,000 to $130,000. Detached ADUs land between $90,000 and $220,000, and garage conversions typically run $30,000 to $80,000. What moves the number? Foundation work on clay soils, golf-course drainage requirements, finish level, and whether you’re adding a second story, which means structural engineering on the existing first-floor walls. Here’s the breakdown by project type:
- Room Addition: $45,000-$130,000
- ADU Construction: $90,000-$220,000
- Garage Conversion: $30,000-$80,000
- Junior ADU & Interior Conversion: Typically 30-50% below a comparable detached ADU, depending on existing space
Every estimate we give is a written line-by-line scope. No allowances that aren’t on paper. No change orders that happen out loud and show up on the final bill. Call (877) 610-1318 and we’ll walk your Trophy Club property and give you numbers you can take to the bank. There’s no trip charge inside the county, and if you have a written estimate from another contractor, bring it. We’ll give you a free second opinion.
Trusted Brands We Install in Trophy Club
We stock and install materials from manufacturers you can look up, not mystery brands off a van. On ADU and addition projects in Trophy Club, that often means Schluter systems for waterproofing in kitchens and wet areas, Sterling and Grohe fixtures when the addition includes plumbing, and GAF roofing products when a second-story addition ties into the existing roofline. Using named brands matters in a community like this one, because the HOA and the Town of Trophy Club both expect construction that matches or exceeds the quality of the original builder-grade installation. You’ll know exactly what’s going into your home, and you’ll see the brand names written on your contract.
Common Home Additions & ADU Problems We See in Trophy Club Homes
- Foundation movement under new additions: The black clay under Trophy Club expands and contracts with seasonal moisture swings. A slab poured without proper soil prep will crack, and the new addition will start pulling away from the original structure within the first two drought cycles.
- Skipped ARC approval: Contractors who don’t know Trophy Club’s process start building first and submit to the HOA later. The Town of Trophy Club won’t issue a permit for exterior work without written ARC approval, which means stop-work orders and long delays mid-project.
- Golf-course lot drainage conflicts: Lots backing to the Trophy Club Country Club course have runoff policies that most builders never read. Poor grading on an addition or a new detached ADU can direct water toward the course or onto a neighbor’s lot, and the HOA will flag it at final inspection.
- HVAC and electrical loads ignored: Adding 500 square feet without checking whether the existing HVAC and panel can handle the load creates an addition that never heats or cools properly. We size the systems as part of the scope, not as an afterthought.
We Also Serve Cities Near Trophy Club
Our Trophy Club work puts us minutes away from Trophy Club neighbors in Roanoke, Southlake, Lantana, and Keller. If you’re just across the line in one of those communities, the same rules apply: written scopes, written change orders, permits pulled, and Tom’s name on the contract. We also handle Kitchen Remodeling in Trophy Club and Bathroom Remodeling in Trophy Club for homeowners who want the whole renovation handled by one crew that knows the ARC process cold.
Serving Trophy Club, TX - Our Local Coverage Area
We’re based in the Trophy Club 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 - Home Additions & ADU in Trophy Club
Most Trophy Club additions take 3 to 6 months from our first site visit to the start of construction, and the biggest variable is the ARC review timeline with your HOA. We submit to the Architectural Review Committee first, because the Town of Trophy Club will not accept a permit application without that written approval. Once the permit is in hand, we schedule the build and stick to the written timeline we gave you at contract. Call (877) 610-1318 for a realistic start date on your specific project.
Yes. We handle ARC submission, revision requests, Town of Trophy Club permitting, and every inspection through final sign-off. Tom Barrett pulls permits on every eligible job because the permit inspector works for you, not for the contractor. That’s the whole point of the process. We’ll tell you exactly which approvals apply to your project and in what order, before you sign anything.
A garage conversion in Trophy Club typically runs $30,000 to $80,000, which is slightly higher than Keller or Roanoke because of the HOA review layer and the grading work that golf-course-adjacent lots often require. The cost difference isn’t in the permits themselves; it’s in the coordination and the written documentation the ARC requires. Call (877) 610-1318 and we’ll give you a written line-item estimate for your specific garage and lot conditions.
Every job we complete includes the written 90-Day Done Right Promise. If it’s not done right, Tom Barrett comes back and makes it right. One call. That’s in addition to the manufacturer warranties on materials like GAF roofing and Schluter waterproofing systems we install. The promise is written on the contract, not buried in fine print.
Yes, and we’ve built additions and ADUs on golf-course lots throughout the 76262 ZIP. These properties have grading and runoff requirements that the HOA and the club both enforce, so we start with a drainage evaluation and include any required grading work in the written scope. If you’re on a course lot, mention it when you call (877) 610-1318 so we can check the specific setback and drainage rules that apply before the estimate.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Trophy Club and the surrounding DFW communities since 1998.