Windows · San Antonio, TX
How much does wood and fiberglass window replacement cost in San Antonio, TX? (2026)
In San Antonio, wood and fiberglass window replacement runs $9,850–$24,400, with most paying around $17,150 — about 2% below the national average. Whole-home window replacement with premium wood or fiberglass windows — higher cost, better looks and longevity.
Updated June 2026 · Localized estimate, not a quote
Most homeowners pay around $17,150
- Typical cost
- $17,150
- Labor vs US
- −5%
- Climate
- Hot
- Local permit
- $125
Refine your estimate
Tune it to your home to narrow the wood and fiberglass window replacement range.
Key takeaways for San Antonio
- San Antonio homeowners typically pay $9,850–$24,400 for wood and fiberglass window replacement, with $17,150 the usual landing spot — about 2% below the national average.
- Labor is the swing factor here: San Antonio trades bill −5% relative to the national average.
- Around $125 of the range above goes to the local Windows permit, not an extra line item.
- 30 to 50 years is the usual service life, so budget for the next one before it fails.
- Roughly 5–15% comes off when you book in Late fall and winter instead of peak season.
- What you actually pay may drop below this range once 25C/25D credits and local utility rebates apply — details are in the rebates section.
What goes into the price in San Antonio
A typical San Antonio wood and fiberglass window replacement of $17,150 breaks down roughly like this — materials priced near the national level, labor set by local rates.
| Line item | San Antonio 2026 range |
|---|---|
| Materials & equipmentThe equipment and materials themselves — this part barely shifts by location. | $4,400 – $10,900 |
| Labor & installationThe installation work itself — removal, setup and startup — is what your city's labor rate actually moves. | $5,325 – $13,375 |
| Permit & feesWindows permit cost, adjusted to this city's rate. | $125 |
| Total installed cost | $9,850 – $24,400 |
Split from the San Antonio estimate using a 55% local-labor share; line items sum to the total.
Why wood and fiberglass window replacement costs what it does in San Antonio
- San Antonio's labor rates sit about 5% lower than the national average (based on price levels for the San Antonio-New Braunfels metro area), pushing the price down.
- The hot climate in San Antonio adds roughly 2% to typical wood and fiberglass window replacement pricing versus a neutral climate.
- A Windows permit in San Antonio costs around $125, included above.
Wood & Fiberglass Window Replacement cost by number of windows in San Antonio
Wood and fiberglass windows are a premium upgrade — figure roughly $800–$2,500 per window installed depending on material, size, and finish. Cost scales with the number of openings, and wood typically runs higher than fiberglass.
| number of windows | San Antonio 2026 range |
|---|---|
| 5 windows | $4,500 – $10,800 |
| 10 windows | $8,850 – $19,550 |
| 15 windows | $13,250 – $27,300 |
| 20 windows | $17,600 – $35,100 |
| 25+ windows (whole home) | $21,500 – $43,850 |
National size ranges localized to San Antonio labor and climate.
Wood & Fiberglass Window Replacement cost by type in San Antonio
| Fiberglass | $9,800 – $21,450 |
| Composite | $10,800 – $22,400 |
| Aluminum-clad wood | $12,700 – $26,300 |
| Solid wood | $13,700 – $29,200 |
Adjusted to San Antonio from national type-level ranges.
Wood & Fiberglass Window Replacement cost by efficiency in San Antonio
Frame material sets the price and the look. Fiberglass is durable and low-maintenance; wood (often clad in aluminum outside) offers the richest appearance but costs more. The glass package adds on top. Prices are per window installed.
| Fiberglass frame (double-pane low-E)Strong, stable, very low maintenance | $700 – $1,500 |
| Wood frame / aluminum-clad woodPremium look; needs periodic finishing | $1,100 – $2,250 |
| Triple-pane premium (wood or fiberglass)Top efficiency and sound control | $1,500 – $2,850 |
Labor vs. materials in San Antonio
Install crew, removal, permit & startup — the part San Antonio rates move most.
Equipment & materials — priced closer to the national level.
Split based on a typical $17,150 San Antonio project; your mix varies with scope.
Skilled installers in the San Antonio-New Braunfels area earn about $28.4/hr (9% below the US average, per BLS metro wage data) — the local wage is what moves the labor half of your wood and fiberglass window replacement cost.
How we estimate it
| National range | $10,000 – $25,000 |
| San Antonio labor adjustment | ×0.95 |
| hot climate factor | ×1.02 |
| Local permit | +$125 |
| San Antonio estimate | $9,850 – $24,400 |
Promo prices vs. the real cost
Window companies market by the unit; real jobs price by the whole scope. Watch for this gap:
- "Buy 2, get 2" / BOGO dealsdiscount is off an inflated list price
- "From $189/window" teaserinstall, trim & disposal usually extra
- Free in-home estimate$0 — it's a sales visit
- Financing offers$0 down · 0% APR, 12–60 mo
Additional wood and fiberglass window replacement costs to budget for
Expect a few of these rather than all. Which ones apply tracks with access, hidden damage and local code.
| Old window removal & disposalPer window; usually bundled into the quote | $30 – $75 |
| Full-frame (vs. insert/pocket) replacementPer window; standard for wood to flash properly | $150 – $450 |
| Rotted sill / frame repairPer opening, found after removal | $200 – $800 |
| Custom or non-standard size / shapeBay, bow, arched, or oversized units cost more | $200 – $1,000 |
| Interior/exterior trim, casing & stainingPer window; wood often gets a stained finish | $100 – $400 |
Typical national add-on ranges; confirm locally during your quote.
What's included
- Installation, flashing and sealing
- Interior and exterior trim
- Old window removal
- Premium wood or fiberglass windows
What affects the cost
- Material (fiberglass vs solid wood vs clad)
- Number of windows
- Custom sizing and shapes
- Historic or architectural matching
Ways to save on wood and fiberglass window replacement in San Antonio
- Check efficiency rebates
- Use premium only where visible, vinyl elsewhere
- Fiberglass costs less than wood with similar looks
- Bundle the whole house in one job
How long does wood and fiberglass window replacement last in San Antonio?
Fiberglass lasts 30–50+ years; well-maintained wood can match it, but neglected wood rots far sooner.
Fiberglass is nearly maintenance-free. Wood (and the exterior of clad units) needs periodic repainting or re-staining and seal checks.
Signs you need wood and fiberglass window replacement in San Antonio
- Windows stick, swell, or are hard to open and close
- Fog or condensation appears between the panes (the seal has failed)
- Wood frames show rot, soft spots, peeling paint, or water staining
- You feel drafts near the window when it's shut
- They're single-pane originals and energy bills are high
- Visible warping, cracking, or daylight around the sash
- Outside noise comes through easily
Repair or replace in San Antonio?
Repair if…
- The wood frame is structurally sound and just needs refinishing or minor rot repair
- Only the seal, weatherstripping, or hardware has failed
- It's a historic or character window worth restoring
- The unit is under warranty
Replace if…
- Condensation is sealed between the panes (the IGU seal is gone)
- Rot has spread into the structural frame or sill
- They're single-pane and you want major energy savings
- Several windows are failing — bulk replacement lowers per-window cost
Climate-zone spec
What window rating you need in San Antonio, TX
San Antonio, TX sits in a hot climate — the Southern ENERGY STAR window zone. To qualify for ENERGY STAR (v7.0), replacement windows here should meet:
In hot climates, the solar heat gain coefficient (SHGC) is the number that matters — a low SHGC blocks summer heat and cuts cooling bills far more than a rock-bottom U-factor.
Thresholds from ENERGY STAR Residential Windows v7.0. Costadia groups cities into cold / mixed / hot bands — for your exact county's zone, use the ENERGY STAR Climate Zone Finder. Source.
Rebates & incentives
The federal window tax credit is gone for 2026, but ENERGY STAR windows can still earn utility rebates in some areas — and the real long-run savings come from lower heating and cooling bills.
- The federal 25C tax credit (up to $600/yr for ENERGY STAR Most Efficient windows) ended December 31, 2025 under the One Big Beautiful Bill Act — not available for 2026.
- Some utilities still rebate high-efficiency windows — real examples include Mass Save (~$75/window on single-pane replacements) and Puget Sound Energy (up to $100/window, more for income-qualified, through 2026).
- There is no federal HEAR rebate for windows (that program targets electrification equipment like heat pumps), so utility and state programs are the path — check the DSIRE database.
- The durable savings are on your energy bills: right-rated windows for your climate zone cut heating/cooling costs every year (see the climate-zone spec above).
Verified July 2026. Program budgets and windows change fast — confirm current amounts and eligibility with your utility and the DSIRE database. Costadia does not administer these programs.
Rebates & tax credits
The federal 25C window tax credit (30%, up to $600) ended December 31, 2025 and no longer applies to 2026 installs. ENERGY STAR Most Efficient wood or fiberglass windows still pay back through lower energy bills, and many utilities and states offer their own rebates — check the DSIRE database.
Cheapest time for wood and fiberglass window replacement in San Antonio
Window crews go quiet once the weather turns cold, and manufacturers time their deepest promotions to the same months — so an off-season buyer stacks a labor discount on top of a rebate.
Why wood and fiberglass window replacement quotes vary — and how to compare them fairly
When two quotes for one project diverge by thousands, the cause is usually what each one includes, not markup — here's how to read the difference.
Why a quote looks high (or low)
- Frame material — vinyl, wood, fiberglass — is a big driver.
- Trim, disposal and exterior flashing/caulking may be excluded.
- Full-frame replacement costs more than an insert (pocket) install — make sure bids match.
Get an apples-to-apples bid
- Check warranties on frame, glass seal and labor separately.
- Compare frame material on equal terms.
- Confirm disposal, trim and flashing are included.
- Specify full-frame vs. insert for every bid.
Questions to ask San Antonio Windows pros
A fair comparison starts with identical questions. Ask each contractor the following before anything gets signed.
- 1Is this a full-frame replacement or an insert (pocket) install?
- 2What's the glass package — double vs. triple pane, low-E coating, gas fill?
- 3Are disposal, trim, and exterior caulking/flashing included?
- 4Are the windows ENERGY STAR rated for my climate zone?
- 5What's the warranty on the frame, glass seal, and the installation labor?
Wood & Fiberglass Window Replacement in San Antonio
How much does wood and fiberglass window replacement cost in San Antonio, TX?
In San Antonio, wood and fiberglass window replacement typically costs $9,850 to $24,400 in 2026, with most homeowners paying around $17,150. Local labor, the hot climate and permit fees are all baked into that number.
Is wood and fiberglass window replacement more expensive in San Antonio than average?
San Antonio comes in about 2% lower than the national average. The main reason is labor: it indexes at 0.95 relative to the national average. and the local Windows permit costs about $125.
Do I need a permit for wood and fiberglass window replacement in San Antonio?
A Windows permit is standard in San Antonio for this kind of work, at roughly $125. You won't need to add it on top of the estimate above — it's already there.
What affects wood and fiberglass window replacement cost the most?
Whole-home window replacement with premium wood or fiberglass windows — higher cost, better looks and longevity. Where two homes diverge is in the details below. What moves the price most: equipment or material grade, your home's size and complexity, local labor rates, and the hot climate zone.
How much should new windows really cost you?
A window budget rests on three choices — frame material, glass package and how it's installed. Our editors weigh in on where the money is well spent.
The efficiency case
Extreme climates are the one setting where premium glazing pays for itself over the years: triple-pane and gas-fill packages hold indoor temperatures steadier and trim the utility bill, with rebate eligibility a possible bonus on ENERGY STAR models. Between a better frame and better glass, the glass is where the payback lives.
The value case
For a whole-home replacement on a fixed budget, vinyl frames with double-pane low-E glass capture nearly all the comfort and efficiency gains at the lowest entry point. Stepping up to fiberglass or triple glazing buys diminishing returns most homeowners never actually notice.
The install case
A perfect window installed badly leaks and fails. Full-frame replacement with proper flashing beats a cheap pocket insert in a rotted opening — match the install method to your home's condition, not just the price.
Let your climate dictate the glass package, keep vinyl as the frame unless something specific rules it out, and hold the line on installation quality — that last one is the corner that comes back as drafts and leaks.
Editorial analysis by Serhat Özçelik, reviewed by Costadia Editorial. These are our own cost perspectives, not third-party endorsements.
How we calculated this estimate
We start with 2026 national wood and fiberglass window replacement ranges compiled from contractor-pricing sources (Angi, HomeGuide, Fixr and EnergySage averages), then localize them to San Antonio using the BLS metro wage data labor index (×0.95 here), the IECC hot-climate factor (×1.02) and a typical local permit fee (≈$125). Federal incentive details reference the IRS Inflation Reduction Act (25C/25D) and DSIRE.
This is a planning estimate, not a quote.Actual prices vary with your home's condition, equipment grade and contractor — always confirm with licensed local pros before budgeting.
References & data sources
Our San Antonio wood and fiberglass window replacement estimate is built from these primary, mostly government sources — not a single aggregator.
- Occupational Employment & Wage Statistics (metro wages) — U.S. Bureau of Labor Statistics.Metro-level trade wages behind each city's labor index.
- Regional Price Parities (state & metro) — U.S. Bureau of Economic Analysis.Regional price levels used where metro wage data is unavailable.
- IECC Climate Zones — U.S. DOE — Building Energy Codes Program.Climate-zone factors applied to weather-sensitive projects.
- Home Energy Tax Credits (25C / 25D) — Internal Revenue Service.Federal rebate and tax-credit figures for eligible upgrades.
- Database of State Incentives for Renewables & Efficiency — DSIRE — NC State University.State and utility incentive programs by ZIP code.
Wood and fiberglass window replacement alternatives in San Antonio
Homeowners in San Antonio often pair this with
A wood and fiberglass window replacement rarely happens in isolation — these projects commonly come up alongside it.
Other projects in San Antonio
Browse local 2026 costs for every home project in San Antonio, TX.