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Window Company in Katy - Free In-Home Measure, Written Price

Free in-home measure and an exact written price before anything is ordered. Energy-rated units, professional installation by our own crews, and a workmanship warranty on the install.

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Single hungSingle hung
Double hungDouble hung
Horizontal rollerHorizontal roller
CasementCasement
Sliding glass doorsSliding glass doors
Impact garage doorsImpact garage doors
PGTPGT
CGICGI
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Window Company in Katy, TX

Katy homeowners call us when windows fog between the panes, doors stick in the humidity, and original builder frames start showing their age. Most of the work we do here falls into three buckets: replacing failed windows, installing new windows in additions or new construction, and replacing exterior doors that no longer close cleanly. Katy’s mix of 1990s and 2000s master-planned homes, Gulf Coast weather, and post-Harvey windstorm codes shapes nearly every recommendation we make. If you’re researching what a window or door project should cost in Katy, a phone call to (254) 401-4583 will get you a written quote, not a ballpark guess.

Call (254) 401-4583

Why Katy Homes Are Different

Katy grew fast. What was once rice fields is now a run of large master-planned communities: Cinco Ranch, Grand Lakes, Firethorne, and dozens of others along the Grand Parkway and Mason Road corridors. That growth pattern left a specific housing stock: brick veneer and stucco homes built mostly since the 1990s, many with the windows the original developer picked for budget, not longevity. Those aluminum and low-quality vinyl frames are now two decades into a humid subtropical climate that punishes them daily.

We see the same failure patterns over and over in Katy. Insulated glass units lose their seal, desiccant inside the spacer absorbs moisture until it can’t anymore, and the window clouds permanently. Vinyl frames warp under August heat bouncing off brick. Wood doors swell in the humidity and refuse to latch. Along the Mason Road corridor, a 2000s home hitting the twenty-year mark is a prime candidate for a foggy window call. And since Hurricane Harvey, Katy homeowners shopping for replacements are asking harder questions about wind ratings and impact-resistant products, because the code conversation changed after that storm. These conditions are not generic. The product that works well in a dry climate will not be the automatic choice here.

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Styles & brands we work with

Single hung
Single hung
Double hung
Double hung
Horizontal roller
Horizontal roller
Casement
Casement
Sliding glass doors
Sliding glass doors
Impact garage doors
Impact garage doors
PGT
PGT
CGI
CGI

Our Main Katy Services

Three services make up nearly every project we schedule in Katy. Each has its own dedicated page with deeper pricing, timelines, and what to expect on site.

Window Replacement in Katy

Replacing failed or worn-out windows is the most common call we get from Katy homeowners. The job starts with identifying why the current window failed: seal breach, frame warping, or storm damage. Then we match a replacement product from brands like ES Windows or ECO Window Systems to the home’s style, exposure, and wind-rating needs. We protect floors and furniture during removal, and the crew leaves with the old sashes gone, not stacked by the garage. Read more on our dedicated page: Window Replacement in Katy.

Window Replacement in Katy

Window Installation in Katy

New window installation in Katy usually means either a home addition or a new build where the owner wants something better than builder standard. We work with the framing as it exists, handle the flashing details that keep Katy’s rain and humidity out, and make sure the product meets current windstorm code where it applies. The same C.A.R.E. standards apply: clean up like it’s our own home, ask before moving anything, and explain the price before the work. Details at Window Installation in Katy.

Window Installation in Katy

Door Installation in Katy

Katy’s humidity works against exterior doors. Wood doors absorb moisture and swell; frames shift as the clay soil contracts in summer heat. A door that won’t latch or drags across the threshold is both a security issue and an airflow problem that raises cooling bills. We install doors from Therma-Tru and Mr-Glass lines, with proper sealing and adjustment so the door closes cleanly the day it’s installed and a year later. Learn more at Door Installation in Katy.

Door Installation in Katy
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Katy

We carry a curated lineup rather than pushing one brand. Katy homeowners have specific needs: wind ratings for hurricane exposure, thermally efficient frames for August heat, and finishes that hold up to humidity. We install and service products from ES Windows, ECO Window Systems, Mr-Glass, and Therma-Tru, among others. If you’re evaluating options, our our brands page walks through the trade-offs.

Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Pricing for Window Company in Katy, TX

The table below reflects what we typically see for common projects in Katy. Every number is a starting point for a written quote, not a final figure we adjust later.

Service Typical range in Katy
Window replacement (per opening) $450 – $1,200
Window replacement on a single-story home $4,000 – $12,000 total
Window replacement on a two-story home $8,000 – $24,000 total
Bow or bay window replacement $1,800 – $4,500 per unit
Standard patio sliding door replacement $1,200 – $3,500 installed
Custom window installation (new construction) $700 – $1,800 per opening
Insulated glass unit (IGU) replacement only $250 – $600 per pane
Full frame window replacement (with trim work) $900 – $2,000 per opening

What pushes a Katy quote higher is usually the wind rating: post-Harvey code compliance in newer sections of Katy can move a project from standard impact-resistant toward higher-end laminated glass products from CGI or PGT. The other factor is water damage discovered once the old window comes out. We write a quote before any work begins, and if we find hidden rot behind a frame, we stop and show you before we touch anything else. No invoice surprises, ever.

Neighborhoods We Serve in Katy

We work throughout Katy, from the older sections near the city core to the newer builds pushing west and south. The housing stock varies by era and builder, so the right window or door for a 1990s Cinco Ranch home is not automatically the right one for a 2015 Firethorne build.

  • Cinco Ranch
  • Grand Lakes
  • Firethorne
  • Cross Creek Ranch
  • Nottingham Country

For most Katy neighborhoods, we can get a crew to you within a few business days for an estimate, and scheduling for installation is typically a one-to-three-week window depending on product lead times.

Service Area – Cities Near Katy

While Katy is home base for most of our work, we regularly serve homeowners in nearby communities. If you’re in Stafford, TX, Rosenberg, TX, Missouri City, TX, or Houston, TX, the same written-price promise and clean-up standards apply. Each area has its own quirks, but the C.A.R.E. values travel with every crew.

Serving Katy, TX - Our Local Coverage Area

We’re based in the Katy 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 Katy

Why Impact

Six Reasons Homeowners Choose Lightwell Windows Houston

Storm Protection

Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.

Energy Savings

Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.

Noise Reduction

Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.

Burglar Resistant

Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.

Year-Round Comfort

Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.

Property Value

A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.

Other Services

Other Lightwell Windows Houston Services

Reviews

What Neighbors Say About Lightwell Windows Houston

★★★★★

"Quiet, considerate install of several windows. They cleaned the glass and the sills and vacuumed every room. You'd never know a crew had been through. House is quieter and brighter."

BBrent Sakamoto
★★★★★

"Replaced drafty old windows and a back door. The crew was gentle around my mother's antiques, protected everything, and cleaned up beautifully. Home feels warmer and calmer already."

WWalter Prim
★★★★★

"Front door replacement. The installers were careful, clean, and gentle, took their shoes off inside and swept the entry when done. The door seals perfectly and looks beautiful."

HHollis Wyatt
★★★★

"Nice work and very clean. The only small thing was a bit of caulk smudge on one sill that I wiped off myself. The install itself was careful and the windows are excellent."

NNadia Cho
★★★★

"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."

MMia Donnelly
★★★★★

"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."

TTeresa Okafor
★★★★★

"Replaced six windows. The crew laid runners through the house and vacuumed each room as they finished. With a crawling baby, that no mess thing meant a lot. Windows are gorgeous."

RRosalind Kemp
★★★★★

"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."

AAndre Bellamy
Ready to get started? Free estimates · Free on-site estimates response in Katy
Call (254) 401-4583

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local windows & doors 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 Katy Customers Say

★★★★★ 4.8 from 8+ reviews

"Quiet, considerate install of several windows. They cleaned the glass and the sills and vacuumed every room. You'd never know a crew had been through. House is quieter and brighter."

- Brent Sakamoto

"Replaced drafty old windows and a back door. The crew was gentle around my mother's antiques, protected everything, and cleaned up beautifully. Home feels warmer and calmer already."

- Walter Prim

"Front door replacement. The installers were careful, clean, and gentle, took their shoes off inside and swept the entry when done. The door seals perfectly and looks beautiful."

- Hollis Wyatt

How It Works in Katy

Getting your windows & doors handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your windows & doors needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Katy - 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.

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