Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Additions & ADU Across Taylor
Home additions and ADU construction in Taylor typically run $45,000 to $130,000 for room additions and $90,000 to $220,000 for new detached ADUs, with garage conversions landing between $30,000 and $80,000. Those are the numbers we quote on the phone and the numbers that hold on the contract. Barrett & Sons Construction has been building in Williamson County since 1998, and the single biggest variable in Taylor right now is how early you lock in your concrete and framing crews. Samsung’s fab has changed the labor market here in a way no neighboring city is feeling the same. Call (877) 610-1318 and we will walk your lot with you and put a real number on paper.
Why Barrett & Sons Construction Is Taylor’s Preferred Home Additions & ADU Company
Tom Barrett started this company in 1998, and his sons run the crews. That matters in Taylor because when you’re forty feet from the city’s historic grid, on a lot where your addition nearly touches your neighbor’s house, you don’t want a rotating cast of strangers. You want the same three or four people who will be back in two years if anything needs attention. Our 90-Day Done Right Promise is written on every contract, not buried in the fine print. If it’s not done right, one call brings Tom back. We live twenty minutes away. If something’s wrong, we want to know about it.
Our crews know Taylor’s neighborhoods: the old-town grid off Main Street with 1920s pier-and-beam homes, the post-war brick ranches closer to Bull Branch, the new subdivisions pushing north toward the fab site. We know which lots hold water in the spring, which streets have alley access tight enough to matter for dumpster placement, and which homes need an engineer’s eyes on the existing foundation before anyone talks about a second story. That local knowledge shapes the quote before you sign anything. We are Home Additions & ADU builders who put the scope in writing, the allowances in writing, and every change order in writing before a single nail moves.
Our Home Additions & ADU Services in Taylor
ADU Design & Permitting
A permitted ADU in Taylor starts with honest conversations about your lot. The city’s development rules on accessory dwellings have shifted as Taylor absorbs growth pressure, and the historic overlay districts in the old-town core add review layers that don’t exist in the newer subdivisions. We handle the full permit package, from site plan to structural drawings, and we sit with city staff when questions come up. Samsung’s construction boom means plan review times in Taylor are not what they were three years ago. We set that expectation early, so your financing and draw schedule don’t stall waiting on a rubber stamp.

Garage Conversion ADU
Converting a garage in Taylor is rarely as simple as framing out the door and floating drywall. Many of the older attached garages in the city’s established neighborhoods were built on slabs never engineered for living space. Blackland Prairie expansive clay moves. That movement shows up as sticking doors, subfloor deflection, and drywall cracks within two seasons if the existing slab is not addressed. We inspect the slab, run moisture checks, and if a new engineer-stamped floor system is required, that goes in the written scope before demo starts. A real garage conversion in Taylor runs $30,000 to $80,000 depending on whether you need a new foundation pour, kitchenette rough-ins, or full electrical panel upgrades.

New Detached ADU
Building a new detached ADU at a Taylor home means pouring a post-tension slab designed for expansive soil conditions, and that means locking a concrete contractor months ahead of the pour date. Our crew just framed a 650-square-foot detached ADU off Davis Street in Taylor’s old-town grid, where the side yard sloped toward a 1920s pier-and-beam house. We hand-shoveled the post-tension slab area to avoid cracking the neighbor’s carport, ran temporary silt fence along the shared chain-link line, and had the rough-in electrical and plumbing inspection signed off before the first sheet of subfloor went down, all while scheduling concrete three months out to hold our draw schedule. That’s the standard we bring to every detached ADU in Taylor, whether you’re building behind a historic home downtown or on a half-acre lot out near the new subdivisions.

Junior ADU & Interior Conversion
A junior ADU inside a Taylor home is often the smartest first move: convert an oversized utility room, a deep garage bay, or a rear addition into a small unit under the same roof. Interior conversions frequently involve less site disruption, fewer exterior permits, and a tighter construction window. But they still require careful attention to egress windows, HVAC separation, and sound isolation between units. In Taylor’s older homes, ceiling heights and pier-and-beam floor leveling can also come into play. We price these as line-item scopes, not round numbers pulled from a national averaging table.

What happens when you call
- 1
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.
Trusted Brands We Service in Taylor
A home addition is a permanent part of your property. We don’t put mystery materials into permanent work. On Taylor jobs, we regularly install Techo-Bloc and Cambridge pavers for relocated walks and patio tie-ins, and we use Oldcastle and Quikrete products for slab pours and site concrete. These are names you can look up, spec sheets included, with warranties that manufacturers actually honor. If you ever want to know exactly what’s under your new addition, we can hand you the material list. No exceptions.
Common Home Additions & ADU Problems We See in Taylor Homes
- Booking crews too late. Since Samsung broke ground, concrete, framing, and mechanical subcontractors who used to be available in two to four weeks now book out three to six months in Taylor. Homeowners who wait until plans are approved to start calling subs watch their start date slide a full season.
- Expansive clay under existing slabs. Taylor sits on the Blackland Prairie, where black clay swells after spring rain and cracks deep in August drought. Slabs that were never engineered for movement will telegraph that movement through your new addition if the foundation work is skimped.
- Shared-wall surprises in the old-town grid. Many Taylor homes on the historic streets are built against lot lines. A room addition that shares a wall with a neighbor needs a party-wall condition survey before demo starts. Skipping that step turns a hairline plaster crack into a code dispute after inspection sign-off.
- Underestimating second-story loads on pier-and-beam. Taylor’s early-to-mid 20th century homes are mostly wood-frame on pier-and-beam foundations. Those joist systems were sized for one story. A second-story addition without an engineer’s review of the existing structure is a failure waiting for the first wet-dry soil cycle.
Pricing for Home Additions & ADU in Taylor, TX
Every job in Taylor gets a written line-item quote. No allowances hidden in a round number. No change orders that arrive as surprises. Here’s what we tell homeowners at the first conversation:
| Project Type | Taylor Market Range |
|---|---|
| New Detached ADU | $90,000 - $220,000 |
| Garage Conversion ADU | $30,000 - $80,000 |
| Room Addition | $45,000 - $130,000 |
| ADU Site Prep & Utilities | $9,000 - $20,000 |
These ranges reflect what we’re seeing in Taylor right now. Material costs in Williamson County have stabilized in the last year, but labor is the wildcard: Samsung’s fab has absorbed concrete and framing crews at a scale that forces early commitment. Your exact number depends on lot access, foundation condition, existing structural load paths, permit complexity in your specific district, and how far out we have to book the concrete pour. The free estimate is how we put a real number on it. And every price change we issue during the job lands in writing before the work happens. Phone: (877) 610-1318.
Home Additions & ADU on Tight Taylor Lots
Taylor’s old-town grid was platted without the wide side yards and generous setbacks that developers use in modern subdivisions. A home addition on Davis Street, Porter Street, or around Murphy Park means working within inches of your neighbor’s property line, staging materials in a driveway that has to stay clear for your daily life, and keeping noise within the city’s residential work-hour rules. Dumpster placement alone can change the cost of a room addition by a thousand dollars if the alley is too tight for the truck. We plan the access route before we plan the framing. When a shared wall is involved, we handle the party-wall notice and the condition survey on the front end, so the neighbor’s concerns become a signature on the permit package instead of a stop-work complaint later. Tight-lot work rewards a crew that has done it before. We have done it in Taylor, repeatedly.
Samsung’s fab has also changed the calculus on tight lots. The same subcontractor who framed a custom addition for you three years ago is now running crews on the fab campus or in the new residential subdivisions racing to house the workforce. When you’re working on a constrained lot where crane access is limited and material staging is tight, you cannot afford to lose your framer to a bigger site mid-project. That’s another reason we lock subcontractor commitments early and put those commitments in writing. Ask anyone on your street, or look up Tom Barrett’s license number yourself. This is not a franchise dispatching strangers.
We Also Serve Cities Near Taylor
Our crews serve Taylor and the surrounding communities from our Austin metro office. If you’re in Hutto, Round Rock, Pflugerville, or Elgin and you’re weighing a home addition or ADU, we can bring the same written-scope approach to your project. The Blackland Prairie soil conditions, the labor-market pressure, and the need for early contractor commitment all cross city lines. Call (877) 610-1318 and we’ll set a time to walk your lot.
Serving Taylor, TX - Our Local Coverage Area
We’re based in the Taylor 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 Taylor
We recommend locking your concrete contractor three to six months before you want the pour. Samsung’s fab has absorbed concrete crews across the region, and the lead time in Taylor is now three to six months when it used to be two to four weeks. The soil condition itself also makes this critical: post-tension slabs engineered for Blackland Prairie clay require specific curing windows and pre-pour compaction that can’t be rushed. Call (877) 610-1318 and we’ll start the scheduling conversation at the first site visit.
Yes, and Taylor’s historic grid has many shared-wall conditions that modern subdivisions don’t. A party-wall condition survey before demo protects both you and your neighbor. It documents the existing condition of the shared wall, identifies any structural reliance, and gives the city a clean record if a crack appears during construction. We handle the survey and the written agreement as part of the permit package.
Because many Taylor garages were poured as non-habitable slabs that were never engineered to hold living-space loads. Blackland Prairie clay expands and contracts dramatically through wet and dry cycles, and a slab that was fine for a parked car can deflect and crack under furniture walls, plumbing, and foot traffic. The inspection determines whether your existing slab needs structural reinforcement, a new engineered floor system, or moisture mitigation before we close the walls. We won’t skip that step, and we won’t hide the cost of it in a fuzzy allowance.
Taylor applies the city’s building construction noise rules to residential projects, generally restricting construction noise to daytime hours on weekdays, with limited Saturday work and no noisy work on Sundays. The exact permitted hours can vary by zone and by specific street. We give every Taylor client a written work-hours note in their project binder so there are no surprises with the neighbors. Call (877) 610-1318 if you want us to check your specific street.
Samsung’s fab has pulled concrete, framing, and mechanical crews out of the residential pool, which means two things: lead times are longer, and subcontractor rates can shift between the time you sign and the time the crew shows up. We manage that risk by locking subcontractor pricing in writing at the start of your project. Every scope, every allowance, every price change comes to you as a written change order before the work happens. If a material jumps in price, you’ll know before we buy it, not after. That’s the only honest way to build in Taylor right now.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Taylor since 1998.







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