Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Additions & ADU Across Ingleside
Home additions in Ingleside run between $45,000 and $130,000 for most projects, while a detached ADU typically lands in the $90,000 to $220,000 range. Those numbers hold up for the Coastal Bend because Ingleside’s salt air, wind-zone codes, and older slab-on-grade housing stock all shape what crews actually run into once walls come open. We’re Barrett & Sons Construction, and our Home Additions & ADU team knows this town’s building conditions from the Naval Station-era brick veneers near 78362 to the newer cul-de-sacs off Farm Road 1069. If you’re weighing a room addition, a garage conversion, or a full ADU, call (877) 610-1318 and Tom Barrett will give you a straight answer without the sales script.
Key Takeaways: Home Additions & ADU in Ingleside
- Realistic budget: $45,000-$130,000 for additions, $90,000-$220,000 for detached ADUs, and $30,000-$80,000 for garage conversions in Ingleside.
- Local codes matter: Ingleside sits in the South Texas hurricane corridor. High-wind bracing and corrosion-resistant hardware are not optional upgrades, they’re what the inspector looks for.
- Your lot and slab decide a lot: Many Ingleside homes were built on concrete slabs between the 1960s and 1990s. Foundation condition drives whether you add up or out.
- Written first, built second: Barrett & Sons puts every allowance and change order on paper before work starts. No surprise invoices at the end.
Why Barrett & Sons Construction Is Ingleside’s Preferred Home Additions & ADU Company
Tom Barrett founded this company in 1998 and still answers his own phone. That matters when you’re spending six figures on a home addition and want to talk to the person whose name is on the contract, not a rotating project manager from an out-of-state call center. His sons run the crews that show up in Ingleside, and Tom is typically on-site during the framing, foundation, and inspection milestones. The same faces you meet at the estimate are the ones swinging hammers and pulling permits.
We don’t hire strangers and we don’t dispatch subcontractors we wouldn’t have over for Sunday supper. Every crew member who steps onto an Ingleside property is background-checked and uniformed. And we publish Tom Barrett’s name, address, and license number. Look it up before you sign anything. You should do that with any contractor, honestly. Ask anyone on your street, or look up the license number yourself.
When you call (877) 610-1318, a live person answers. You get a real scope in writing, a line-item price, and a schedule that accounts for Ingleside’s coastal weather delays instead of pretending they don’t exist. That’s how we’ve held a strong local reputation from Ingleside up through Portland and Aransas Pass, through the BRAC downturn and the port boom that followed.
Our Home Additions & ADU Services in Ingleside
ADU Design & Permitting
Accessory dwelling units in Ingleside start with two questions: what does your lot line actually allow, and what will the wind-zone engineer require? We handle both. Our Ingleside ADU design work accounts for Corpus Christi Bay’s onshore wind exposure, which means specifying hurricane ties, stainless connectors, and window ratings that a builder from Sinton might never think to check. Permits get pulled before any dirt moves, and the inspector signs off on every stage.

Garage Conversion ADU
Converting a garage into living space in Ingleside usually costs $30,000 to $80,000, depending on whether the existing slab can stay. Here’s what surprises people: many of the older garage slabs in town were poured decades ago with no vapor barrier and no insulation. We test before we promise. If the slab needs work, you’ll see that as a written change order with a number attached before we start chipping concrete.

New Detached ADU
A new detached ADU in Ingleside runs $90,000 to $220,000, and the spread comes down to size, foundation type, and finishes. Building from scratch gives you a dry, properly insulated envelope with a fresh slab and new utility lines, which handles the salt-corrosion problem at the source instead of patching around it. We pull every permit and the crew builds to the same high-wind standard we’d use on a waterfront home in Rockport.

Junior ADU & Interior Conversion
A junior ADU, often an attached suite with its own entrance and a small kitchenette, can be the smartest move for an Ingleside homeowner who wants rental income or a place for aging parents without the cost of a detached build. We convert existing interior space and add the entry, plumbing, and egress windows the code requires. Since these projects touch existing walls and wiring, we also handle Kitchen Remodeling in Ingleside when the ADU needs a compact kitchen, and Bathroom Remodeling in Ingleside for the accompanying bath.

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.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Ingleside
We install materials you can look up. For coastal ADU builds and enclosed patios, we lean on Ingleside Roofing systems from GAF rated for high-wind zones, and Schluter waterproofing in wet areas where salt air and humidity shorten the life of builder-grade materials. When a sunroom or enclosed patio calls for glass, we use the same window and door standards we’d put on a hurricane-exposed elevation. If something fails inside the 90-Day Done Right Promise, one call brings Tom back. That guarantee is on every contract, not tucked into fine print.
Common Home Additions & ADU Problems We See in Ingleside Homes
- Salt-corroded structural connectors: Twenty years of bay wind and salt spray turn standard steel brackets into rust flakes. We open walls on older Ingleside additions and find fasteners that look like they’ve been underwater. Stainless and galvanized hardware is standard on every job.
- Slab issues on 1960s-1990s brick veneers: Many homes built near the old Naval Station activity have slabs with no moisture barrier. Before adding square footage or converting a garage, we check for spalling, cracking, and water wicking that would doom new flooring.
- Low-pitch roofs that complicate second-story additions: Ingleside’s compact ranch-style housing stock often has roof pitch too shallow for a simple vertical addition. The structural framing needs an engineer’s look to decide whether the existing top plates and trusses can take the load.
- Military-spec surprises near the former Naval Station footprint: In the neighborhoods around the decommissioned base, we regularly run into reinforced concrete and oversized utility lines built to federal standards. A demolition that looks routine on paper can require heavier equipment once the slab gets exposed. We budget for that reality up front, not as a surprise invoice later.
Pricing for Home Additions & ADU in Ingleside, TX
Here are the honest numbers. A room addition in Ingleside runs $45,000 to $130,000. A garage conversion ADU runs $30,000 to $80,000. A new detached ADU runs $90,000 to $220,000. What moves the needle is foundation condition, the age and layout of your existing structure, and wind-zone engineering requirements that differ from projects even 20 miles inland.
| Project Type | Ingleside Price Range |
|---|---|
| Room Addition | $45,000 - $130,000 |
| Garage Conversion ADU | $30,000 - $80,000 |
| New Detached ADU | $90,000 - $220,000 |
| Sunroom / Enclosed Patio | $25,000 - $65,000 |
| Second Story Addition | $80,000 - $200,000 |
We give free written estimates with line-item detail. Every allowance and scope change arrives as a written change order before work happens. Call (877) 610-1318 and we’ll schedule a walkthrough at your place in Ingleside. No trip charge inside the county, and we’ll honor the 10% Senior & Veteran discount without you asking.
We Also Serve Cities Near Ingleside
If you’re just outside Ingleside proper, we’ve built additions and ADUs in Aransas Pass, Portland, Rockport, and Corpus Christi. The wind-zone and salt-corrosion realities differ house to house even within a few miles, so we quote every job after walking the property. Call (877) 610-1318 and we’ll come take a look.
Serving Ingleside, TX - Our Local Coverage Area
We’re based in the Ingleside 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 Ingleside
Most home additions in Ingleside fall between $45,000 and $130,000, with detached ADUs running $90,000 to $220,000. The final number comes down to foundation condition, wind-zone engineering, and finishes. Call (877) 610-1318 for a free written estimate with line-item pricing, not a ballpark guess.
Only if the scope changes, and only with a written change order you sign first. Older Ingleside slabs near the former Naval Station can hide reinforced concrete or corroded structural steel, and if we find something that changes the plan, you’ll see the number on paper before we proceed. An allowance that isn’t on paper is a surprise waiting for a date.
Yes. Every eligible Ingleside addition and ADU we build gets permits pulled and inspections signed. The permit inspector works for you, not for me, and I like having another set of eyes on the structural and wind-zone details.
Ingleside sits on Corpus Christi Bay with persistent onshore winds driving salt spray inland, which corrodes fasteners, metal roofing, and structural connectors much faster than even 20 miles inland. High-wind design requirements also apply across the city. We spec stainless hardware and hurricane-rated ties as standard, not as an upgrade line item.
Every job comes with our 90-Day Done Right Promise in writing. If something’s not done right within that window, one call brings Tom Barrett back to make it right. It’s on every contract, not buried in fine print. Call (877) 610-1318 and we’ll walk your Ingleside property before quoting anything.
Call Barrett & Sons for a Free Ingleside Estimate
You’ve got the numbers, the brands, and the local reasons why coastal construction demands more attention than inland work. If you’re ready to add square footage or build an ADU in Ingleside, call (877) 610-1318 today. A live person answers, 24/7. We’ll schedule a free on-site estimate, walk the property, and give you a written scope with real numbers. Tom Barrett’s name and license are public, his sons run the crews, and the 90-Day Done Right Promise sits on the contract where you can read it plain. No pressure, no script, just straight answers from someone who’ll see you at the hardware store on Saturday.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Ingleside since 1998.







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