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Best Window Installers in St. Louis, MO (2026)

197 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in St. Louis: Window Nation, CR Score 64/100; 4.8★ from 1,310 Google reviews; open 24/7.

  2. 17

    Best for emergencies (open 24/7): Accredited Roofing, posts 24/7 hours; ranked #17 of 197.

  3. 6

    Most-reviewed: Renewal by Andersen, 1,985 Google reviews at 4.7★, the most of 197 ranked; ranked #6.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

197 St. Louis window installers are ranked here by CR Score, from ten published factors. 17 are open 24/7, 84 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 4.7★ across 197 rated businesses.

Top 10 window installers in St. Louis at a glance

Top 10 window installers in St. Louis at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Window Nation644.8★ (1,310)Bridgeton, 16 mi away24/7Overall
2Universal Windows Direct of St Louis634.7★ (554)St. LouisSat · Sun · Evenings—
3Glass Doctor of Greater St. Louis614.7★ (1,253)St. Louis——
4Mad City Windows & Baths of St. Louis614.7★ (853)Bridgeton, 21 mi awaySat · Sun · Evenings—
5Star Auto Glass, Inc.604.4★ (204)St. LouisSat · Sun—
6Renewal by Andersen594.7★ (1,985)Bridgeton, 18 mi away—Most reviews
7Window World of St. Louis594.6★ (919)Saint Peters, 17 mi awaySat—
8Chaney Windows And Doors585.0★ (333)Maryland Heights, 12 mi away——
9Stratum Structural Systems584.9★ (324)Chesterfield, 23 mi awaySat—
10Salem Developments584.9★ (65)East Saint Louis, 3 mi awaySat—

The 197 best window installers in St. Louis, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in St. Louis

    #1 Window Nation

    Based in Bridgeton, 16 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,310 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 1,310 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3655 Pennridge Dr, Bridgeton, MO 63044
    View profile for Window Nation(314) 279-8249

  5. #5 Star Auto Glass, Inc.

    Based in St. Louis

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.4★ from 204 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 204 Google reviews
    Hours
    Mon–Sat 8:30 AM–5:30 PM · Sun 9 AM–3:30 PM
    Address
    7557 Hall St, St. Louis, MO 63147
    View profile for Star Auto Glass, Inc.(314) 627-9477

  6. #6 Renewal by Andersen

    Based in Bridgeton, 18 mi away

    59/100CR Score

    Ranked #6 because of its Google rating and review volume: 4.7★ from 1,985 Google reviews, the most in St. Louis.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 1,985 Google reviews
    Hours
    Mon–Fri 8:30 AM–6 PM · Sat–Sun closed
    Address
    13397 Lakefront Dr, Earth City, MO 63044
    View profile for Renewal by Andersen(314) 983-9977

  7. #7 Window World of St. Louis

    Based in Saint Peters, 17 mi away

    59/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.6★ from 919 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 919 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 10 AM–2 PM · Sun closed
    Address
    3600 Rider Trail S, Earth City, MO 63045
    View profile for Window World of St. Louis(314) 993-1800

  8. #8 Chaney Windows And Doors

    Based in Maryland Heights, 12 mi away

    58/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 333 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 333 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    2301 Millpark Dr, Maryland Heights, MO 63043
    View profile for Chaney Windows And Doors(636) 699-6353

  9. #9 Stratum Structural Systems

    Based in Chesterfield, 23 mi away

    58/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 324 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 324 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 9 AM–12 PM · Sun closed
    Address
    17600 Chesterfield Airport Rd Suite 203, Chesterfield, MO 63005
    View profile for Stratum Structural Systems(314) 620-8153

  10. #10 Salem Developments

    Based in East Saint Louis, 3 mi away

    58/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 65 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 10 AM–3 PM · Sun closed
    View profile for Salem Developments(314) 529-1350

  11. #11 Zen Windows of St. Louis

    Based in Ballwin, 22 mi away

    58/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 197 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 197 Google reviews
    Hours
    Mon–Sat 8 AM–7:30 PM · Sun closed
    View profile for Zen Windows of St. Louis(314) 399-0856

  13. #13 Gravois Glass

    Based in St. Louis

    57/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.6★ from 193 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 193 Google reviews
    Hours
    Mon–Thu 7 AM–4 PM · Fri 7 AM–12 PM · Sat–Sun closed
    Address
    6825 Gravois Ave, St. Louis, MO 63116
    View profile for Gravois Glass(314) 352-2200

  15. #15 Best Block Glass Block Service

    Based in St. Louis

    57/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 25 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–12 PM · Sun closed
    Address
    8504 Pilot Ave, St. Louis, MO 63123
    View profile for Best Block Glass Block Service(314) 481-0900

  17. #17 Accredited Roofing

    Based in Fairview Heights, 12 mi away

    57/100CR Score

    Ranked #17 because of its Google rating and review volume: 4.9★ from 298 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 298 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    705 Lincoln Hwy, Fairview Heights, IL 62208
    View profile for Accredited Roofing(618) 616-7515

  20. #20 Performance Windows St. Louis

    Based in Hazelwood, 15 mi away

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 76 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 76 Google reviews
    Hours
    Mon–Sat 8:30 AM–7 PM · Sun closed
    Address
    945 Hornet Dr Ste 250, Hazelwood, MO 63042
    View profile for Performance Windows St. Louis(314) 816-4440

  21. #21 Building Envelope Experts

    Based in Ballwin, 15 mi away

    56/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 130 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1576 Fencorp Dr Suite 160, Fenton, MO 63026
    View profile for Building Envelope Experts(314) 310-7878

  22. #22 Fish Window Cleaning

    Based in Ballwin, 16 mi away

    56/100CR Score

    Ranked #22 because of its Google rating and review volume: 5.0★ from 1,075 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 1,075 Google reviews
    Hours
    Mon–Fri 7 AM–3 PM · Sat–Sun closed
    Address
    450 Weidman Rd, Ballwin, MO 63011
    View profile for Fish Window Cleaning(636) 779-1500

  23. #23 Norm's Bargain Barn

    Based in Murphy, 16 mi away

    56/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 72 Google reviews
    Hours
    Mon 8 AM–7 PM · Tue 8 AM–5 PM · Wed 8 AM–7 PM · Thu–Fri 8 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    731 Gravois Rd, Fenton, MO 63026
    View profile for Norm's Bargain Barn(636) 343-8100

  24. #24 Wilke Window & Door, Inc.

    Based in Belleville, 16 mi away

    56/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.4★ from 219 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 219 Google reviews
    Hours
    Mon–Fri 7 AM–4:45 PM · Sat 9 AM–12 PM · Sun closed
    Address
    3500 Lebanon Ave, Belleville, IL 62221
    View profile for Wilke Window & Door, Inc.(618) 624-5400

  25. #25 Arch City Window

    Based in St. Louis

    56/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.6★ from 61 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 61 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    1881 Craig Rd, St. Louis, MO 63146
    View profile for Arch City Window(314) 296-2983

Window installers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 197 ranked window installers here; the rest are on their profiles.

window installers in St. Louis, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Banner Construction564.7★ (56)In St. Louis
27Lyons Glass Company564.8★ (90)20 mi
28STL Windows and Doors564.9★ (177)18 mi
29Window Depot USA of St. Louis (XteriorPRO)565.0★ (222)25 mi
30Cardinal Contractors564.8★ (634)24 mi
31Midtown Home Improvements564.1★ (1,651)37 mi
32STL Windows Direct564.8★ (104)13 mi
33Greenmark Home Performance554.4★ (14)In St. Louis
34Family First Contracting554.1★ (22)10 mi
35Missouri Glass Company554.7★ (35)In St. Louis
36Glass Doctor of Belleville, IL554.8★ (79)12 mi
37KML Remodeling, LLC554.5★ (40)13 mi
38Metro Glass Service Inc554.8★ (57)11 mi
39Masonry & Glass Systems Inc544.8★ (91)17 mi
40Quality Glass Block of America545.0★ (4)In St. Louis
41Stonebridge Roofing544.8★ (368)27 mi
42Wilke Window & Door, Inc.544.2★ (105)16 mi
43Metropolitan Glass Co.544.7★ (52)14 mi
44Floyd Glass & Window544.6★ (208)24 mi
45Pella Windows & Doors of Greater St. Louis - (Service & Warehouse location)544.5★ (17)In St. Louis
46A&L Auto Glass544.5★ (193)35 mi
47The Window and Siding Source of St. Louis545.0★ (22)21 mi
48Freedom Midwest Windows and Siding, LLC545.0★ (83)28 mi
49Sears Window Replacement533.6★ (45)16 mi
50EZ Home Solutions534.5★ (38)22 mi

Also serving St. Louis

20 more window installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked window installers serving St. Louis
BusinessGoogle ratingDistance
A Hired Hand Co5.0★ (24)In St. Louis
Colonial Construction4.9★ (128)In St. Louis
Constructors 9114.9★ (158)In St. Louis
Dale Sign Service4.7★ (106)In St. Louis
Easter Fence, Deck & Renovations4.4★ (177)In St. Louis
Flow King Rooter Plumbing4.9★ (32)In St. Louis
Freedom Roofing Group5.0★ (35)In St. Louis
GutterPros & Exteriors4.8★ (98)In St. Louis
Kirkwood Roofing3.3★ (18)In St. Louis
Koala Insulation of St. Louis4.9★ (430)In St. Louis
Loomis Painting Services LLC4.8★ (54)In St. Louis
M&H Masonry & Restoration5.0★ (19)In St. Louis
More For Less Remodeling5.0★ (216)In St. Louis
MyHouse Construction Company4.9★ (43)In St. Louis
One Hour Heating & Air Conditioning® of St. Louis4.9★ (850)In St. Louis
Rhymes Heating and Cooling5.0★ (1,430)In St. Louis
St. Louis Heating And Air Conditioning5.0★ (19)In St. Louis
The FIX - Phone Repair | Computer Repair | Tablet Repair & Accessories4.5★ (548)In St. Louis
Wagner Roofing & Construction Solutions4.7★ (59)In St. Louis
Weis Comfort Systems4.8★ (152)In St. Louis

How much do window installers cost in St. Louis?

Typical prices in USD, adjusted for Missouri with a published regional index. Each row names its basis and month.

How much do window installers cost in St. Louis?
JobLowTypicalHighBasisChecked
Window replacement$3,550$7,580$12,220Per project (several windows): typical range of customer-reported projects. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report)October 2026

How we ranked St. Louis window installers

We scored 197 St. Louis window installers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn St. Louis data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window installers in St. Louis: frequently asked questions

Who is the best window installer in St. Louis?

By CR Score, the highest-ranked window installer in St. Louis, MO is Window Nation with a CR Score of 64/100. It has 4.8★ from 1,310 Google reviews. It is open 24/7. Universal Windows Direct of St Louis (#2) and Glass Doctor of Greater St. Louis (#3) follow. We ranked 197 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in St. Louis?

ContractorsRanked ranks 197 window installers serving St. Louis, MO. 13 of them are based in St. Louis; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which window installers in St. Louis are open 24/7?

17 ranked window installers in St. Louis post 24/7 hours. The highest-ranked are Window Nation (#1), Accredited Roofing (#17) and Storm Guard Roofing & Construction of SW St. Louis (#19). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in St. Louis work on weekends?

84 of 197 ranked window installers post Saturday hours and 31 post Sunday hours. The highest-ranked open Saturdays are Window Nation (#1), Universal Windows Direct of St Louis (#2) and Mad City Windows & Baths of St. Louis (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in St. Louis?

Window replacement typically costs $3,550 to $12,220, with $7,580 typical (Per project (several windows): typical range of customer-reported projects. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Missouri. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do St. Louis window installers have?

The median Google rating among 197 rated window installers in St. Louis is 4.7★, with a median of 34 reviews. Renewal by Andersen has the most, 1,985 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window installers?

Each window installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do window installers outside St. Louis count in this ranking?

Yes, if they are within 40 mi of the St. Louis city center, our service radius for window installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for St. Louis

  1. October 2026: CR Scores recalculated for 197 window installers serving St. Louis.

More window installers and St. Louis pages

Other trades in St. Louis