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Get your free estimateWindow Company in San Antonio, TX
San Antonio window and door work follows two very different paths depending on where you live. A 1920s bungalow in Monte Vista with original wood double-hungs needs a completely different hand than a 1998 brick-veneer home in Stone Oak where the vinyl windows have gone cloudy from Edwards Aquifer hard water and years of direct sun. The constants across both: limestone-rich clay soil that shifts and racks frames, summer heat that tests every seal, and homeowners who want a written price before anyone touches their walls. Whether you’re looking at Window Replacement in San Antonio or a new front door, we start the same way: a conversation about your house, not a sales script. Call us at (325) 420-4173.
Why San Antonio Homes Are Different
Clay soil is the quiet force behind a lot of San Antonio window and door trouble. The city’s expansive clay swells after rain and shrinks during dry spells, and that movement travels up through pier-and-beam foundations in older neighborhoods like King William and through slabs in newer north-side subdivisions. Frames pull out of square, doors start to stick at the top corner, and window sashes bind. A replacement that ignores that movement only fails again.
The climate compounds it. San Antonio regularly sees stretches of 100°F heat, and windows on west-facing walls take the worst of it. In homes built in the 1960s and 1970s, single-pane aluminum frames act like radiators, conducting heat straight through the wall. In the 1990s vinyl tracts across the north side, we see the same failure weekly: warped sashes and fogged glass from UV exposure and hard water mineral buildup. Severe spring thunderstorms bring one more demand: doors and windows on exposed elevations often need impact-rated glass and reinforced frames, especially in the subdivisions built west of Loop 1604 where there is nothing to slow the wind between the house and the Hill Country front.
Styles & brands we work with
Our Main San Antonio Services
Three jobs make up nearly all the calls we take in San Antonio. Each has its own page, because the local details matter differently for each one.
Window Replacement in San Antonio
Replacing windows in San Antonio is usually about heat and seal failure first, and curb appeal a close second. Older aluminum frames conduct the summer heat, while many 1990s vinyl windows have already fogged or warped. We measure each opening, account for the frame movement this clay soil causes, and recommend glass packages built for high UV and thermal expansion. A written price comes before anything gets ordered. Full detail here: Window Replacement in San Antonio.
Window Installation in San Antonio
New construction and additions have their own rules in San Antonio. New windows have to sit square in a frame that will move with the clay beneath it, so we pay attention to rough-opening prep and flashing details the way the first installer should have. We also see a lot of jobs where a homeowner replaced one window years ago and now wants the rest of the house to match, glass tint and all. The specifics for new openings in San Antonio are here: Window Installation in San Antonio.
Door Installation in San Antonio
Front doors in San Antonio earn their keep in July and during storm season. A south-facing door in Alamo Heights can reach 140°F by mid-afternoon, and that heat works on the core, the weatherstripping, and the finish. We install doors that are sized and shimmed for local foundation movement, with thresholds that still seal after the clay soil does its seasonal shift. For steel, fiberglass, and wood door details in San Antonio, see: Door Installation in San Antonio.
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.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in San Antonio
We work with eight manufacturers so the recommendation fits the home, including our brands like ECO Window Systems, Mr-Glass, and Therma-Tru for doors. Parts for common San Antonio failures are stocked locally where it makes sense, which keeps many repairs from dragging into a second week.
See the difference
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AfterPricing for Window Company in San Antonio, TX
| Service | Typical range in San Antonio |
|---|---|
| Window replacement (per opening, vinyl) | $450 – $850 |
| Window replacement (per opening, premium/impact) | $900 – $1,400 |
| Glass replacement only | $180 – $420 |
| Window installation, new construction (per opening) | $250 – $500 |
| Front door installation (steel/fiberglass) | $1,200 – $2,800 |
| Interior door installation (per door) | $200 – $450 |
| Patio door installation (sliding) | $1,400 – $2,900 |
| French door installation | $1,600 – $3,400 |
| Storm door installation | $300 – $600 |
| Door slab replacement (existing frame) | $350 – $700 |
Prices push higher in San Antonio when a home needs impact-rated glass for wind exposure, when a frame has moved enough to need re-shimming or new construction brackets, or when older trim has to be rebuilt to match. Every quote is written down, in line-item form, before any work starts. You will not see a different number at the end of the job.
Neighborhoods We Serve in San Antonio
Our crews work throughout San Antonio, including older core neighborhoods with historic fenestration and newer suburbs where sun damage is the main driver. We schedule by area and most San Antonio jobs can be quoted within a couple of days of the first phone call.
- Monte Vista and King William, for double-hung wood windows in pre-1950 homes
- Stone Oak and the north-side 1990s vinyl tracts
- Alamo Heights and Terrell Hills, for south-facing door and window heat fatigue
- Northwest suburbs west of Loop 1604, where wind exposure matters
- Schertz-side subdivisions near Randolph AFB and the I-35 corridor
Service Area – Cities Near San Antonio
Along with San Antonio itself, we serve the nearby communities where the same clay soil and summer heat are in play. Our service area includes Schertz, TX, Helotes, TX, and New Braunfels, TX. If you are on the edge of the metro, call and ask; if we cannot get to you quickly, we will say so and point you to someone we would trust.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio 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 Window Company in San Antonio
We prepare the submittal package for your HOA or architectural review committee: product specs, finishes, grid patterns, and glass details. Most San Antonio HOAs with design review want to see the written scope before work starts, and getting that packet right the first time avoids a stop-work call later. You handle the submission, we supply everything you need for it.
For most San Antonio homes, we can schedule an in-home or virtual quote within two to three business days of your call. Written pricing follows the visit, usually the same day or the next morning. Call (325) 420-4173 to get on the schedule.
Yes. In districts like Monte Vista and King William, the city’s Office of Historic Preservation reviews window and door changes, and we prepare documentation that matches their requirements: dimensions, material, profile, and color. The process takes a few extra weeks, and our written quote accounts for that review period so there are no surprises.
If you are ready for a real number on your San Antonio windows or doors, call (325) 420-4173. We will talk through what your house needs, put the price in writing, and treat your home like we would treat our own. Written estimates are free, always.
Six Reasons Homeowners Choose Lightwell Windows San Antonio
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.
Other Lightwell Windows San Antonio Services
What Neighbors Say About Lightwell Windows San Antonio
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Antonio Customers Say
"They replaced a big foggy picture window. Careful with the furniture, laid down protection, and left no mess at all. Calm and respectful crew, and the view is clear again."
- Teresa Okafor"New patio slider. Clean install, they protected the floor and hauled off the old door. Quiet, polite crew that worked around my work calls without complaint."
- Andre Bellamy"Lovely windows and a tidy install. One window came in a couple weeks late from the factory, so that opening finished after the others. They kept me posted and the rest was spotless."
- Mia Donnelly