New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows Houston pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Window Installation Across San Leon
Window installation in San Leon runs $650 – $2,400 per opening for most homes, depending on whether we’re replacing a single jalousie unit or retrofitting an entire elevation to impact-rated sliders. The salt air, wind loads, and piling elevation here change what a quote needs to include before the first wall is opened, and that’s exactly what we plan for on every job. Our crews know the difference between a 1950s beach cottage on 15th Street and a newer stilt home off Bayshore Drive, and we write the price down before any work starts. Call (325) 326-4211 for a free estimate that accounts for San Leon’s actual conditions, not a generic number from a Houston pricing sheet.
San Leon isn’t just any coastal town. It’s a place where window rough openings sit above pilings, where the afternoon breeze off Galveston Bay carries enough salt to fog a double-pane unit in two seasons, and where the original jalousie windows from the 1950s still rattle in the first gusts. A window company that treats this like a standard suburb job will miss what actually matters here.
Why Westlight Windows Houston Is San Leon’s Preferred Window Installation Company
We’re an independently owned and operated Kingswell location, led by Owen Satterfield. Since 2009, we’ve worked on homes all along the Texas Gulf Coast, and the San Leon jobs are the ones that teach you the most about what a window has to withstand. Salt corrosion, wind-borne debris, negative design pressure from storms off the bay – these aren’t abstract concerns when you’re standing in a raised home with the original 1950s framing still in place.
San Leon homeowners call us because they’ve already been through the wringer with a contractor who quoted one price and showed up with another. That’s not how we work. The Kingswell Guarantee puts four promises in writing on every single project: a written price before any work begins, a committed arrival window, a clean job site when we leave, and a written guarantee on the completed work. If a repair fails within the guarantee period, we come back and correct it at no charge. That’s the 365-Day Done Right Promise, and Owen Satterfield hands you that guarantee in writing before the last screw goes in.
Our phone lines are answered by a live person 24 hours a day, 7 days a week. Not a voicemail box, not a chatbot. When you call (325) 326-4211 about a salt-corroded slider track on your San Leon stilt home, a real human picks up and can schedule your estimate.
Window Contractor in San Leon
A Window Contractor in San Leon handles the full scope of a window replacement or new installation job: measuring the rough opening, pulling the permit when the coastal building code requires it, ordering the right glass package, removing the old unit without damaging the piling-supported framing, and installing the new window to meet Galveston Bay wind load requirements. Homeowners here need a window contractor when a jalousie window won’t close against the wind, when a double-pane seal has fogged from years of salt and humidity, or when an impact-rated unit has failed and the track is too corroded to reuse. A typical single-window contractor job in San Leon runs $650 – $1,400 for a standard replacement and $1,800 – $2,400 when the opening needs reframing or retrofit anchoring into a piling beam.
Coastal Code Compliance and Permits
San Leon sits in a wind-borne debris region along Galveston Bay, which means any new window installation on an exterior elevation has to meet impact-rated glazing standards or be protected by shutters. We pull permits when the scope triggers them, and we don’t install a window that won’t pass a wind mitigation inspection.
Replacement Without the Doorstep Surprise
You get your written price before we touch the wall. If we open the rough opening and find rotted jamb material or framing that won’t hold the required anchoring, that’s an allowance item already written into the contract, priced and approved in writing before we proceed.
Window Installers in San Leon
The Window Installers who work San Leon homes are the crew members doing the physical install: demoing the old unit, prepping the opening, flashing and sealing against salt-driven moisture, setting the window level and square, anchoring it to the structural framing, and finishing the interior and exterior trim. San Leon homeowners need real window installers, not general laborers, because the anchoring requirements on an elevated stilt home are different from a slab-on-grade house in Houston. A standard window installer job in San Leon runs $650 – $1,400 per opening, with higher numbers when the home sits on pilings and the install requires working from scaffolding or a lift.
Working on Stilt Homes and Elevated Frames
Stilt homes challenge window installers in ways ground-level houses never do. The rough opening sits above a piling beam, the framing underneath has to carry the unit through negative design pressure during a storm, and the install often happens off a ladder or lift rather than from the ground. Our crews have done this work on raised homes all over San Leon, including the bayside properties along 15th Street and the newer elevated builds further out toward Dickinson Bay.
Salt-Corrosion and Flashing Details
Salt-laden air off Galveston Bay corrodes standard aluminum flashing and fasteners faster than most homeowners expect. We use marine-grade sealants, self-adhered flashing, and corrosion-resistant fasteners rated for coastal exposure, because a window that’s perfectly installed but poorly sealed will fail at the jamb within two seasons here.
Trusted Brands We Service in San Leon
We stock eight manufacturer lines, including CWS, ES Windows, and ECO Window Systems, so the product matches the job rather than the other way around. For San Leon specifically, that means we’re carrying impact-rated options that meet the coastal building code requirements for wind-borne debris regions, plus energy-efficient low-e glass packages that cut cooling loads through our humid summers. When a homeowner calls about a failed PGT casement or a Therma-Tru entry door that’s warped from salt exposure, we can source the replacement without making them wait on a backordered part from a distributor in Dallas. Our Window Installation team keeps the right glass and hardware moving for coastal jobs.
Common Window Installation Problems We See in San Leon Homes
- Jalousie windows from the 1950s and 1960s: These single-pane, crank-operated glass slats leak conditioned air constantly and rattle in even moderate gusts off Galveston Bay. The retrofit to impact-rated sliders means a full rough-opening reframe, not a simple sash swap.
- Corroded aluminum tracks on existing sliders: Salt-laden air eats through aluminum tracks within 8 – 10 years on bayfront properties. The track seizes, the roller bearings fail, and the window either won’t operate or won’t seal against wind-driven rain.
- Rotted jamb material behind the original window: On raised stilt homes, the original jamb is often tied directly into the piling header, and once water finds its way past a failed flashing detail, the rot spreads into the structural framing. A window replacement becomes a structural repair.
- Improperly anchored impact units: Some previous installers put impact-rated glass into a rough opening but skip the required HVHZ-rated anchoring into the piling beam below the sill. The unit looks fine on a calm day and blows out under negative design pressure during a storm.
Pricing for Window Installation in San Leon, TX
Most single-window replacements in San Leon run $650 – $1,400 installed for standard sizes, while larger openings, bay and bow configurations, or units that require impact-rated glazing land between $1,800 and $2,400. A full-house window replacement on a typical 3-bedroom San Leon home usually falls between $14,000 and $28,000, depending on the number of openings, the elevation’s wind load requirements, and whether the existing frames can be reused or need full reframing. Three things push the number higher here: the piling elevation (which adds labor for lifts and scaffolding), the salt-corrosion damage we find once the old window comes out, and the coastal building code’s demand for impact-rated glazing on exterior elevations. You’ve seen enough window quotes to know that a vague range with “it depends” attached isn’t a quote. Call (325) 326-4211 and Owen Satterfield’s team will give you a written price before any work starts.
We Also Serve Cities Near San Leon
Beyond San Leon, our Window Installation in San Leon crews cover the surrounding Bay Area, including Houston, The Woodlands, Sugar Land, and Humble. Whether you’re replacing a salt-damaged slider on a San Leon stilt home or upgrading a single-family house in Sugar Land, the same Kingswell Guarantee applies: written price, real arrival window, clean job site, written guarantee. Call (325) 326-4211 to schedule your free estimate anywhere in the service area.
Serving San Leon, TX - Our Local Coverage Area
We’re based in the San Leon 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 Installation in San Leon
Yes, in most cases. When you open the wall around a jalousie window on an exterior elevation in San Leon, the coastal building code under a wind-borne debris region applies to that opening, which means the replacement window has to meet current impact-rated glazing standards. Depending on the elevation and the scope, the building official may require all windows on that same elevation to meet the same standard before signing off. We see this regularly on older San Leon beach cottages. Call (325) 326-4211 and we’ll tell you upfront what the permit reviewer is likely to require before you budget for the work.
Replacing the sash or the glass unit inside an existing frame typically does not require a permit, because you’re not changing the structural opening or the window’s performance rating. But if the installation involves removing the entire frame, altering the rough opening, or changing from a non-impact unit to an impact-rated one, a permit is required. On a stilt home, the frame is often anchored into the piling header, which puts the job squarely into structural territory. We handle the permit process for any window installation in San Leon that triggers it.
Look for white chalky buildup on the track, pitting or pinholes in the aluminum, and any spot where the roller bearings leave a rough or seized path when you slide the panel. If you can’t open or close the slider without forcing it, the track has lost its structural integrity. On San Leon homes within a few blocks of Galveston Bay, we typically see this corrosion at the 8-year mark. Our crew checks the track’s large-missile rating during the estimate, not after the job starts, because reusing a corroded track means the new window passes no wind mitigation inspection. Call (325) 326-4211 for a track inspection that’s part of the free estimate.
Low-e glass, which is a thin coating that reflects heat back into the room in winter and out in summer, does cut cooling costs in San Leon’s subtropical climate. The humidity and intense sun off the bay drive air conditioning loads for nine months of the year, and low-e impact glass reduces solar heat gain enough to notice on your electric bill. On a west-facing elevation over the water, the difference is bigger because the late-afternoon sun is beating directly on the glass. It’s not a magic cure, but paired with a properly sealed frame, it pays back over the life of the window.
Yes. Working on a stilt home requires installers who understand how the rough opening ties into the piling beam below the sill, how to anchor the unit to resist negative design pressure during a storm, and how to work safely from lifts or scaffolding at elevation. A crew that’s only ever set windows on slab foundations won’t know to check the anchoring into the piling header, and that’s exactly the mistake that causes a window to blow out under storm loads. Owen Satterfield’s crews have done piling-home work throughout San Leon, and we handle the scaffolding, the anchoring, and the inspection requirements without you coordinating a thing.
On a raised stilt home off 15th Street, our crew pulled a failed PGT casement window and found the original jamb had rotted straight through to the piling header, with salt-corroded screws that snapped on removal. We sistered in a pressure-treated jamb, wrapped the opening with self-adhered flashing, and installed a new Miami-Dade NOA-rated casement with a laminated glass interlayer, then sealed the entire sill pan with marine-grade caulk because the afternoon breeze there carries enough salt to fog a double-pane unit in two seasons. That’s the difference between a window company that understands San Leon and one that just shows up with a tape measure.
San Leon’s original 1950s-era beach cottages still have jalousie windows, those single-pane, crank-operated glass slats that leak conditioned air and rattle in the first gusts off Galveston Bay. Any window installation on one of these homes starts with a retrofit to impact-rated sliders that can pass the same wind-borne debris tests as new coastal construction. The old jalousie frame comes out entirely, the rough opening gets reframed to accept a modern slider, and the new unit gets anchored to meet the coastal code. That’s not optional in San Leon. It’s what the next hurricane season will test.
We don’t reuse original jalousie frames without checking the track’s large-missile rating. We don’t use open-cell foam around a new window jamb on a bayfront stilt home, because that foam wicks moisture and rots the rough opening from the inside before the first hurricane season. And we never install impact-rated glass without the required HVHZ-rated anchoring into the piling beam below the sill, because a unit that looks fine on a calm day will blow out under negative design pressure during a storm. If a previous contractor cut any of these corners on your San Leon home, we’ll find it during the estimate and tell you exactly what correcting it costs.
Call (325) 326-4211 today to schedule your free window installation estimate in San Leon. Owen Satterfield and the Westlight Windows Houston team will come out, look at what you’ve got, and hand you a written price before any work begins. The Kingswell Guarantee is in writing on every job we do, and if the work isn’t right within the guarantee period, we come back and fix it at no charge.
Written by Owen Satterfield, Owner at Westlight Windows Houston, serving San Leon and the Bay Area with window installation, replacement, and door installation since 2009.
Six Reasons Homeowners Choose Westlight Windows Houston
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.