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 Replacement Across San Leon
Window replacement in San Leon costs between $600 and $1,200 per window for a standard vinyl insert, while full-frame replacements on elevated stilt homes run $1,400 to $3,200 per opening once coastal code upgrades and rot repair are factored in. Most San Leon jobs take one to two days once materials arrive, and Westlight Windows Houston has been installing impact-rated and corrosion-resistant windows along Galveston Bay since 2009. If you’re calling from 8th Street, Bayshore Drive, or anywhere in the 77539 ZIP, we answer the phone with a live person, not a voicemail tree. Reach us at (325) 326-4211 for a written price before any work begins.
Why Westlight Windows Houston Is San Leon’s Preferred Window Replacement Company
San Leon homeowners keep our number because we write the price down before the first screw comes out. That’s the Kingswell Guarantee, and it applies to every single job we do in San Leon: a written price before work starts, a real arrival window, a clean job site, and a written guarantee on the completed work. If something fails within the guarantee period, we return and fix it at no charge under our 365-Day Done Right Promise. You don’t negotiate that. It’s automatic.
Our crews know San Leon’s housing stock because they’ve worked on the older beach cottages off 10th Street, the newer elevated homes facing the bay, and the converted fishing camps that still carry original jalousie frames. We’ve seen what salt air does to aluminum tracks within a decade. We’ve pulled back drywall on a piling home and found rotted jamb wood the homeowner never knew was there. That local experience means our quotes account for what coastal construction actually requires, not what a generic window estimate assumes from a Houston spec sheet.
When you call Westlight Windows Houston, you reach a real person, 24 hours a day, seven days a week. Owen Satterfield leads our team, and the standard he sets is simple: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails. That’s the Kingswell Way, and it’s how we’ve earned repeat calls from San Leon homeowners since 2009.
Window Glass Replacement in San Leon
Window glass replacement in San Leon most often means swapping out a fogged or cracked insulated glass unit (IGU) inside an existing frame, which runs between $275 and $550 per pane depending on size and whether the glazing carries an impact rating. Homeowners on the bay side of San Leon face a faster failure cycle than inland Houston because salt-laden air corrodes the spacer material between panes; once the seal breaks, moisture gets in and the glass fogs. On many San Leon homes we can replace just the glass without pulling the whole window, which saves money and keeps the original trim intact.
Fogged Double-Pane Units
Fog between two panes means the seal has failed and the insulating gas inside is gone. In San Leon’s humid, salt-heavy air, this happens faster than in drier inland markets, particularly on windows facing southeast toward Galveston Bay. The fix is a new IGU, and if the frame is still sound, we can often complete the swap in one visit.
Cracked or Storm-Damaged Panes
A cracked pane on a San Leon home is more than a cosmetic problem. If the broken glass is on an elevation that faces the bay, replacing it with impact-rated glazing is almost always required under coastal building code once the opening is touched. We pull the old pane, inspect the frame for hidden corrosion, and install glass that meets the wind-load requirements for this stretch of Galveston Bay.
Window Sash Replacement in San Leon
Window sash replacement in San Leon covers the moving part of the window: the frame that holds the glass and slides or swings within the outer jambs. On older San Leon homes, sashes rot or corrode long before the outer frame fails. We typically replace a sash for $350 to $700 per window when it’s a straightforward swap on a standard double-hung or slider; if the sash is part of an impact-rated assembly, the range moves to $800 to $1,400 per sash because the glazing and hardware carry higher ratings.
Sticking Sliders and Corroded Tracks
Salt air from the bay doesn’t just pit the visible metal. It eats the roller assemblies and track grooves inside the sash channel, which is why so many San Leon sliding windows feel like they’re grinding when you open them. Replacing the sash and the corroded hardware together restores the window to smooth operation and prevents the next failure from the same cause.
Rotted Wood Sashes on Original Cottages
If your San Leon home still has its original 1950s or 1960s wood sashes, the humid subtropical climate has likely done damage you can’t see until the sash comes out. We’ve opened sashes on bay-facing cottages where the bottom rail crumbled in our hands while the painted surface looked intact. A new sash with pressure-treated or composite framing stops the cycle, and we photograph what we find before any additional work gets approved.
Trusted Brands We Service in San Leon
Westlight Windows Houston installs and services windows from eight manufacturer lines, including PGT, CGI, and ECO Window Systems. For San Leon homeowners, the practical difference is this: we stock common replacement sashes, IGU sizes, and corrosion-resistant hardware locally rather than ordering everything from a regional warehouse. If you have an impact slider from PGT or CGI that’s fogged or sticking, we can often order the exact replacement sash and schedule the install within the same week. If you’re considering a full upgrade, ECO Window Systems offers energy-efficient vinyl options that hold up well against bay humidity without the corrosion profile of bare aluminum. We match the product to the job, not the other way around.
Common Window Replacement Problems We See in San Leon Homes
- Salt-eaten aluminum tracks and hardware. The bay air in San Leon corrodes aluminum window tracks and roller assemblies within ten years, even on impact-rated sliders installed in the last decade. The first sign is a sash that sticks or scrapes, followed by a seal failure that fogs the glass.
- Rotted jamb framing on piling homes. Elevated stilt homes settle and shift with the sandy soil beneath them, which cracks the wood jamb around a window and breaks the waterproofing seal along the header. During a driving rain off the bay, water follows that crack straight into the wall cavity.
- Original jalousie windows with no impact rating. San Leon’s original 1950s beach cottages still carry single-pane jalousie windows, and a broken louver during a storm turns into a wall opening that triggers a coastal code upgrade for the entire elevation. We handle that upgrade end to end.
- Fogged IGUs from failed seals. San Leon’s humidity and salt spray accelerate IGU seal failure, especially on windows facing Galveston Bay. Once the spacer corrodes, moisture enters the air gap and the pane fogs permanently until the IGU is replaced.
Pricing for Window Replacement in San Leon, TX
Here’s straight talk on what San Leon homeowners actually pay. A standard vinyl insert window runs $600 to $1,200 per window installed. A full-frame replacement on a piling home, where the old jamb comes out and new framing goes in, runs $1,400 to $3,200 per opening. Glass-only replacement lands at $275 to $550 per pane, and sash replacement runs $350 to $700 per sash for standard units, more for impact-rated assemblies. The biggest cost drivers in San Leon are elevation, accessibility under a stilt home, hidden rot discovery, and whether coastal code triggers an impact-rating upgrade. Our Window Replacement team writes every San Leon quote with these factors itemized before you sign anything.
We Also Serve Cities Near San Leon
If you’re searching for Window Replacement in San Leon, you’re likely tied to the bay, but our crews also run regular routes through Houston, The Woodlands, Sugar Land, and Humble. The coastal code details differ once you move inland, but the standard is the same: written pricing, a real arrival window, and a guarantee in writing.
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 Replacement in San Leon
We stop work, document the rot with photos and measurements, and get your written approval on the additional repair cost before touching anything further. On 8th Street, we opened up a 1960s fishing shack elevated on pilings and found the original jalousie jambs rotted from salt intrusion hiding behind newer drywall. We replaced the full opening with a PGT impact-rated casement, new pressure-treated jamb, and corrosion-resistant hardware, but only after pricing the rot repair and getting it approved in writing. That’s how we handle every San Leon surprise: inspection first, a written change order, and no work until you say yes. Call (325) 326-4211 for an estimate that builds in realistic allowances for what older coastal homes actually hide.
If you’re replacing an entire window or elevation on a San Leon home, Galveston County coastal building code generally requires impact-rated glazing or an approved shutter system on windows facing the bay, and the replacement must carry a Miami-Dade or Texas Department of Insurance windstorm designation. A simple glass replacement on an existing frame often doesn’t trigger the full upgrade, but touching a storm-damaged opening almost always does. We pull permits, coordinate inspections, and make sure your San Leon replacement passes the first time. Call (325) 326-4211 and we’ll walk through what your specific street and elevation require.
Impact windows in San Leon fog up because salt-laden air from Galveston Bay corrodes the thin metal spacer inside the insulated glass unit, which breaks the seal and lets moist air inside. This happens faster on bay-facing elevations than in inland communities because the salt concentration stays high year-round. The fix is replacing the IGU, not the whole window, and we stock common impact-rated IGU sizes specifically for San Leon customers. Call (325) 326-4211 for a free estimate on glass replacement.
You can in some cases, but it’s usually the most expensive way to stay code-compliant, because storm panels must be engineered, anchored, and stored for every window opening, and they do nothing for the salt corrosion already eating your jalousie tracks. Most San Leon homeowners find that replacing the jalousies with impact-rated sliders or casements costs less over ten years than maintaining panels on original 1950s frames. We’ll price both options honestly and let you decide. Call (325) 326-4211 for the comparison.
Yes. Impact-rated windows installed to TDI windstorm standards can reduce the windstorm portion of your Texas homeowners insurance premium, and many carriers offer a separate credit for documented impact glazing. The exact discount depends on your policy and carrier, but the qualifying documentation comes from the product rating and the permit inspection record, both of which we handle for every San Leon installation. Call (325) 326-4211 for a quote that includes the paperwork your insurer will ask for.
Written by Owen Satterfield, Owner at Westlight Windows Houston, serving San Leon and the Galveston Bay area 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.