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 West University Place
Adding square footage in West University Place means working within a city that runs its own permitting office, enforces its own setback rules, and sits on Houston gumbo clay that moves with every dry spell and heavy rain. If your project also involves West University Place Roofing work, we coordinate that in-house. A home addition or ADU here typically runs $45,000 to $130,000 for a standard room addition, while a detached ADU starts around $90,000 and can reach $220,000 depending on finish level and site conditions. We’ve been handling both the paperwork and the framing in West U for years, and we know the difference between what West U’s building department requires and what a Houston contractor might assume. Call Tom Barrett and his sons at (877) 610-1318 if you’re weighing an addition, a garage conversion, or a full ADU, and we’ll walk the lot with you before you spend a dime.
Why Barrett & Sons Construction Is West University Place’s Preferred Home Additions & ADU Company
We’re an owner-operated outfit, not a franchise that runs crews through a call center. Tom Barrett started this company in 1998, and when we say “our sons run the crews,” we mean it. That matters on a West U job site because the person walking your project on Monday is the same person who answers questions on Thursday. Homeowners in West University Place have told us the same story for years: a national company quoted one number on the phone, then handed over a different invoice after the foundation was poured. Every change order at Barrett & Sons is written, priced, and signed by you before a single nail moves. No surprise allowances, no end-of-job surprise.
We know West U’s streets from University Boulevard down to the Braes Bayou side, and we know the houses: 1930s brick bungalows on pier-and-beam, 1950s colonial cottages getting torn down next door to brand-new slab-on-grade builds. That split means we’re often tying a new addition into an old foundation on one side of the lot while the crew next door pours fresh concrete. Our team handles both, and we pull West U’s own permits on every eligible job, scheduling inspections through the city’s own building department, not Harris County’s. The permit inspector works for you, not for me. That’s why I like him.
Our Home Additions & ADU Services in West University Place
Here’s what we handle most often for homeowners within the 77005 zip code.
ADU Design & Permitting
A detached accessory dwelling unit in West University Place isn’t a shed with a bed in it. West U regulates lot coverage, side-yard setbacks, and impervious cover on a per-lot basis, and a design that works in Bellaire won’t necessarily clear West U’s review. We handle the site survey, the architectural drawings, the West U permit application, and the inspection scheduling as one package. You get one point of contact from the first sketch to the final occupancy sign-off.
Garage Conversion ADU
Converting an existing garage is often the fastest path to rental income or a mother-in-law suite in West U, particularly on the smaller 5,000 to 7,000 square foot lots where there’s no room for a separate detached structure. A garage conversion here typically runs $30,000 to $80,000 depending on whether we’re adding a bathroom, a kitchenette, or just finishing living space. The soil movement under older West U garages frequently means we address foundation leveling before framing begins, so that number gets clearer after we look at the slab.
New Detached ADU
Building a new detached ADU on a West U lot means starting with the same question every time: what does the lot-coverage math allow? West U’s impervious cover limits are stricter than Houston’s, which directly affects how large a footprint your detached unit can have. A new detached ADU in West University Place generally lands in the $90,000 to $220,000 range, with the finish level, utility runs, and foundation type moving the needle most. We quote it line by line, and every allowance is in writing before we start.
Junior ADU & Interior Conversion
A junior ADU, typically a converted bedroom, bonus room, or enclosed attic space with its own entrance and efficiency kitchen, often works when a full detached unit doesn’t fit the lot or the budget. In West U’s older bungalows, we’ve converted former maid’s quarters, enclosed porches, and attic spaces into legal, permitted junior ADUs. These projects lean toward the lower end of the $45,000 to $130,000 home addition range and usually involve less site work than a ground-up detached build.
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.
Trusted Brands We Service in West University Place
We don’t install mystery brands off a van. On West U additions and ADUs, we regularly spec PGT impact windows for their performance in Gulf Coast weather, Ply Gem for exterior cladding and trim that holds up to Houston humidity, and Simonton windows when the job calls for a strong mid-tier option that doesn’t skimp on warranty. If you’re planning a Kitchen Remodeling in West University Place as part of the addition, our crews are already on site and can tie the two scopes together so the schedule doesn’t drag. We quote brands you can look up, and we stand behind the installation with our 90-Day Done Right Promise.
Common Home Additions & ADU Problems We See in West University Place Homes
- Foundation movement on addition tie-ins. West U’s expansive black clay shrinks in the summer heat and heaves after heavy Gulf rains, which means a new addition tied to a 1940s pier-and-beam original can develop differential movement faster than homeowners expect. We factor soil conditions into the foundation plan before the first concrete is poured.
- Setback and lot-coverage surprises. Because West University Place is its own city, a lot that looks buildable by Houston rules may hit West U’s tighter side-yard and impervious-cover limits. We confirm what’s allowed before you pay for drawings.
- Braes Bayou flood-plain complications. Streets near the bayou saw significant flooding during Harvey, and newer builds require elevation certificates and freeboard compliance that affect ground-floor finish heights. We handle the paperwork and the build-out to match.
- Pier-and-beam to slab transitions. On teardown-adjacent lots, new additions often sit on slab while the original house remains on pier-and-beam. Leveling and joining the two systems properly is detail work that separates a clean addition from one that cracks at the seam within two years.
Pricing for Home Additions & ADU in West University Place, TX
A standard room addition in West University Place runs $45,000 to $130,000. A garage conversion ADU lands between $30,000 and $80,000. A new detached ADU starts at $90,000 and can reach $220,000 with premium finishes. What drives the number: foundation type (pier-and-beam tie-ins cost more than fresh slab), utility run distance, whether we’re matching brick from the 1930s or using new Hardie-style siding, and the permitting and elevation requirements particular to your lot’s position within West U. We give free estimates that are written line by line, and a price change never happens without a signed change order first. Call (877) 610-1318 to schedule yours.
We also offer a Free Second Opinion on Any Written Estimate and No Trip Charge Inside the County for West U homeowners. Seniors and veterans receive a permanent 10% discount.
We Also Serve Cities Near West University Place
While this page is for West University Place homeowners, our crews work regularly in West University Place and the surrounding communities. If you’re in Bellaire, Houston, Alief, or Stafford and weighing a home addition or ADU, give us a call. You’ll get the same owner-operated team, the same written change orders, and the same 90-Day Done Right Promise. Learn more about our Home Additions & ADU work across the metro or see what we do for Bathroom Remodeling in West University Place as part of a larger addition project.
Serving West University Place, TX - Our Local Coverage Area
We’re based in the West University Place 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 West University Place
We can typically begin site work within two to three weeks of a signed contract, once the West U permit is in hand and materials are ordered. We’re dispatched from our Houston office and our crews live and work in the West U area, so scheduling is not a long-distance guessing game. Call (877) 610-1318 and we’ll give you a realistic start date, not a salesperson’s promise.
Yes. Every eligible job includes permits pulled through West U’s own building department and inspections signed by West U’s own inspectors. We do not skip permits and we don’t tell you they’re optional. If a contractor tells you a West U permit isn’t needed for an addition or ADU, ask them to put that in writing, then call us for the second opinion.
A garage conversion in West U generally runs $30,000 to $80,000, while a new detached ADU starts around $90,000 and can reach $220,000. The conversion is usually less expensive because the shell already exists, but older West U garages often need foundation work first. For an exact line-item quote on your property, call (877) 610-1318 - estimates are free.
It does, and it catches contractors off guard all the time. West University Place is an independent city with its own permitting office, its own inspectors, its own setback rules, and its own impervious-cover limits. A Houston permit is worthless two blocks inside the West U line. We work with West U’s process daily, so your schedule doesn’t stall at the review desk.
Every job we complete is backed by our written 90-Day Done Right Promise. If something isn’t done right, Tom Barrett comes back and makes it right, one call. It’s written on the contract, not buried in fine print, and it applies to every home addition and ADU project we complete in West University Place. Call (877) 610-1318 to talk through your project.
Ready to Talk About Your West University Place Addition?
Whether you’re planning a second story over a 1950s cottage, converting a garage into a rental unit, or building a full detached ADU in the back yard, we’ll walk the property with you, tell you what West U’s rules allow, and put every number in writing before you sign anything. We also handle Windows & Doors - West University Place upgrades as part of larger additions. Tom Barrett answers his own phone. Call (877) 610-1318 today for a free estimate on your Home Additions & ADU project in West University Place.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving West University Place with permits pulled and inspections signed on every eligible job.