A Benson company - serving San Antonio, TX
A new rear addition with a vaulted beamed ceiling and tall windows
Room Addition Contractor · Windcrest, TX

Room Addition Contractor in Windcrest - Plans, Permits & Build, One Fixed Price

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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A second-story addition with a balcony, matched to the original house
A single-story rear room addition with tall windows and a new patio
The bathroom inside a new ADU
A small deck outside a new ADU
The living room inside a new ADU
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

Get your free estimate

Fast, Reliable Room Addition Contractor Across Windcrest

A room addition in Windcrest means planning for two approvals before the first shovel turns: the city permit and the Windcrest Architectural Control Committee review. Most projects we price here land between $180 and $320 per square foot, depending on finish level, foundation work, and whether the HOA sends your submittal back for revision. We handle both approvals, the build, and the paperwork, so you get a written price before work starts and a real schedule you can track. Call (430) 258-2928 for a free estimate and a straight answer about your lot.

Call (430) 258-2928

Why Benson ADU San Antonio Is Windcrest’s Preferred Room Addition Contractor Company

A second-story addition that matches the existing roofline

Windcrest homeowners deal with a gatekeeping step most contractors in San Antonio never touch: your exterior plans must pass Windcrest Architectural Control Committee review before the city will even issue a building permit. We know the submittal packet the ACC expects, which means fewer resubmissions and less calendar creep on your project. Our Room Addition Contractor team has walked multiple Windcrest jobs through that exact process, including additions on lots where the original 1960s brick ranch style drove every exterior decision.

Every crew member who steps onto your property is background-checked and uniformed. You’ll know who’s arriving, when, and what they’re doing that day. The homeowner who added a primary suite on Fallen Leaf Drive didn’t wait by the window wondering. They got photo updates, a live schedule link, and a written price that didn’t move.

Our work in Windcrest is backed by the 365-Day Done Right Promise. That means if anything isn’t right within a full year after completion, we return and make it right, in writing, at no cost to you. Troy Eastman, who leads our team, stands behind that promise on every project. Call (430) 258-2928 and you’ll reach a live person, any hour.

ADU Conversion in Windcrest

ADU Conversion in Windcrest typically means turning an attached garage, a deep carport, or an underused utility wing into a rentable unit or a family suite. Because Windcrest’s Planning and Zoning Commission treats an ADU as a separate dwelling, you’ll need a variance in many cases, plus HOA sign-off on any exterior changes. A standard attached garage conversion here runs $120,000 to $210,000 when you include a bathroom, kitchenette, separate entrance, and upgraded electrical service.

Attached Garage Conversions

Windcrest’s slab-on-grade homes from the 1950s through 1970s make attached garage conversions structurally straightforward. We’re already working on a poured slab, so we don’t need new foundation work in most cases. What we do need is HOA approval on the new entrance door, any window changes, and the exterior finish. The ACC wants the converted garage to read as part of the original home, not a bolt-on apartment.

Standalone ADU on a Large Lot

Many Windcrest lots are oversized relative to the house, which opens the door for a backyard ADU. These run $160,000 to $280,000 for a 400 to 700 square foot unit using a prefab panel system from Plant Prefab or a Tuff Shed structure finished as a dwelling. The catch in Windcrest is the setback variance: the ACC and the city both review the placement, height, and roofline before you’re cleared to build. We file all of it.

Sunroom Builders in Windcrest

A new sunroom addition with three walls of windows

Sunroom Builders in this part of the San Antonio metro work with a specific constraint: Windcrest’s Architectural Control Committee reviews every sunroom as an exterior alteration, not a screened porch. The roofline, the window style, and the exterior cladding all have to match your existing home. A foundation-level sunroom in Windcrest runs $45,000 to $95,000 depending on whether you want heating and cooling, what kind of glazing you choose, and how much electrical work the space needs.

Three-Season Screened Rooms

A screened room that keeps the bugs out without full HVAC is the most cost-conscious sunroom option here. You’ll spend $35,000 to $60,000 on a 200 to 300 square foot build. Windcrest’s hot, humid summers make cross-ventilation and ceiling fans the minimum for comfort from May through September. The HOA still reviews the roof line and the screen frame color, so expect that six-week review window in your schedule.

Four-Season Glass Additions

A four-season sunroom with insulated low-E glass and a ductless mini-split runs $70,000 to $120,000 in Windcrest. The foundation matters here because of expansive clay soil across the area. We pull a soils report before we design the slab, which prevents the differential settlement cracks that the city’s code enforcement catches at final inspection. James Hardie trim and cladding often get the fastest ACC approval because they read as traditional materials on Windcrest’s ranch-era homes.

Trusted Brands We Service in Windcrest

We build with brands you can research independently, which matters when the ACC asks exactly what materials are going on your addition. We frequently specify James Hardie siding and trim because it passes Windcrest architectural review with the fewest revisions, and we offer prefab room modules from Plant Prefab and structure packages from Tuff Shed for homeowners who want a faster build after approval. Our Windcrest customers never wait on parts from out of state; we coordinate material deliveries around the ACC review calendar so nothing sits exposed on your lot while a committee deliberates.

Common Room Addition Contractor Problems We See in Windcrest Homes

  • Foundation work started before ACC approval. Windcrest code enforcement red-tags any project where site work precedes the Architectural Control Committee’s approval letter. We file the submittal first, then schedule excavation only after the green light, so you’re never stuck with a dug foundation and a stop-work order.
  • HardiePlank colors that don’t match the original brick. The ACC regularly sends submittals back when the proposed siding color reads as a different era than the 1950s to 1970s ranch style around it. We pull color chips from the actual existing home and submit them with the packet, which cuts revisions down to zero in most cases.
  • Slab-on-grade tie-ins without a soils report. Expansive clay under many Windcrest lots causes differential movement when a new slab meets an old one. We order the soils report before we design the connection detail, and we build the joint to move independently so you don’t get cracks at the seam.
  • Roof pitches that don’t match the original house. A flatter or steeper pitch than the existing roofline almost always gets the submittal returned. We match the original pitch, which the ACC reads as “in keeping with the neighborhood character” and approves without a second hearing.

Pricing for Room Addition Contractor in Windcrest, TX

A ground-level room addition in Windcrest runs $180 to $270 per square foot for a standard bedroom or home office with a matching exterior. A primary suite with a full bathroom lands at $220 to $320 per square foot because of plumbing, tile, and the larger footprint of the work. Sunrooms start around $35,000 for a screened three-season room and climb to $120,000 for a four-season glass addition with a mini-split. ADU conversions range from $120,000 for a straightforward garage conversion up to $280,000 for a standalone unit on a large lot. The HOA review process adds time, not cost, but a revision cycle can add three to six weeks to your calendar. Get a written line-item price before work starts by calling (430) 258-2928. The estimate is free, and the number doesn’t move once you approve it.

We Also Serve Cities Near Windcrest

Our crews work throughout the northeast San Antonio metro, including Room Addition Contractor in Windcrest and the neighboring communities of San Antonio, Schertz, Live Oak, and Leon Valley. If you’re outside Windcrest proper, the same written pricing, uniformed crews, and 365-Day Done Right Promise apply. Call (430) 258-2928 and ask about your specific zip code.

Key Takeaways for Windcrest Homeowners

  • Windcrest requires HOA approval before the city will issue a building permit for any exterior change, including room additions.
  • Budget $180 to $320 per square foot for most room additions, with sunrooms starting around $35,000.
  • The Architectural Control Committee review adds roughly six weeks to your timeline, and we file the submittal for you.
  • Slab-on-grade foundations and expansive clay soil require a soils report before we design the addition.
  • Every project includes a written price before work starts and a 365-Day Done Right Promise in writing.

Serving Windcrest, TX - Our Local Coverage Area

We’re based in the Windcrest 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 Room Addition Contractor in Windcrest

A framer checking new wall framing on a home addition

Why Windcrest Chooses Benson ADU San Antonio

We set the standard for room addition contractor in Windcrest.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Windcrest

Getting your room addition contractor handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your room addition contractor needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Windcrest - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local room addition contractor pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Windcrest Customers Say

Trusted by homeowners across Windcrest and surrounding areas.

★★★★★

"Solid job. Cabinets arrived late but they adjusted the schedule."

Eli K. · Verified customer
★★★★★

"Plumbing and electrical passed on the first inspection."

Alan B. · Verified customer
★★★★★

"Room addition off the kitchen. Framing, drywall, and paint all done well."

Wade L. · Verified customer

More ADU services in Windcrest

Every build below starts the same way: a free site visit and a written price.

Getting started with Benson in San Antonio

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

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Your San Antonio team

A local crew that works across San Antonio and the towns around it, to the same written standard as every Benson location.

Areas we serve
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Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

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(430) 258-2928

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