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Best Window Installers in Washington, D.C., DC (2026)

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

The short answer

  1. 1

    Best overall in Washington, D.C.: Kennedy Locksmith, CR Score 65/100; 4.9★ from 980 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Kennedy Glass in DC, posts 24/7 hours; ranked #2 of 645.

  3. 7

    Most-reviewed: Window Nation, 4,186 Google reviews at 4.7★, the most of 645 ranked; ranked #7.

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

645 Washington, D.C. window installers are ranked here by CR Score, from ten published factors. 112 are open 24/7, 428 open Saturdays and 230 open Sundays, based on posted hours. The median Google rating is 4.9★ across 645 rated businesses.

Top 10 window installers in Washington, D.C. at a glance

Top 10 window installers in Washington, D.C. at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Kennedy Locksmith654.9★ (980)Aspen Hill, 5 mi away24/7Overall
2Kennedy Glass in DC644.9★ (382)Washington, D.C.24/7Emergencies
3Zen Windows Washington DC635.0★ (119)Washington, D.C.24/7—
4Lumina Glass & Windows635.0★ (107)Washington, D.C.24/7—
5Prestine Glass Solutions – Window & Glass Replacement635.0★ (101)Washington, D.C.24/7—
6Renewal by Andersen of the Capital Region634.9★ (1,041)North Bethesda, 11 mi awaySat · Sun—
7Window Nation624.7★ (4,186)Glen Burnie, 29 mi away24/7Most reviews
8AA Window & Glass Repair624.8★ (116)Washington, D.C.24/7—
9KELEMER BROTHERS REPLACEMENT WINDOWS625.0★ (416)Silver Spring, 10 mi awaySat · Sun · Evenings—
10Thompson Creek Window Company Lanham624.5★ (3,143)Lanham, 11 mi awaySat · Sun · Evenings—

The 645 best window installers in Washington, D.C., ranked

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

  1. Ranked #1 in Washington, D.C.

    #1 Kennedy Locksmith

    Based in Aspen Hill, 5 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 980 Google reviews, listed on Google as “Window installation service”.

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

    • 4.9★ from 980 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Kennedy Locksmith(202) 993-9466

  2. #2 Kennedy Glass in DC

    Based in Washington, D.C.

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 382 Google reviews, listed on Google as “Window installation service”.

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

    • 4.9★ from 382 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    901 R St NW, Washington, DC 20001
    View profile for Kennedy Glass in DC(202) 892-7916

  4. #4 Lumina Glass & Windows

    Based in Washington, D.C.

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 107 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 107 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1101 Pennsylvania Ave NW, Washington, DC 20004
    View profile for Lumina Glass & Windows(771) 777-2257

  5. #5 Prestine Glass Solutions – Window & Glass Replacement

    Based in Washington, D.C.

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 101 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1235 Pennsylvania Ave. SE, Washington, DC 20003
    View profile for Prestine Glass Solutions – Window & Glass Replacement(571) 621-0898

  7. #7 Window Nation

    Based in Glen Burnie, 29 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and review volume: 4.7★ from 4,186 Google reviews, the most in Washington, D.C..

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

    • 4.7★ from 4,186 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    871 Cromwell Park Dr, Glen Burnie, MD 21061
    View profile for Window Nation(410) 766-8488

  8. #8 AA Window & Glass Repair

    Based in Washington, D.C.

    62/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 116 Google reviews, listed on Google as “Window installation service”.

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

    • 4.8★ from 116 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1535 17th St NW Ste 200, Washington, DC 20036
    View profile for AA Window & Glass Repair(202) 289-8444

  10. #10 Thompson Creek Window Company Lanham

    Based in Lanham, 11 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.5★ from 3,143 Google reviews, listed on Google as “Window installation service”.

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

    • 4.5★ from 3,143 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun 9 AM–5 PM
    Address
    4200 Parliament Pl #600, Lanham, MD 20706
    View profile for Thompson Creek Window Company Lanham(240) 981-5701

  11. #11 Pro Glass Repair

    Based in Washington, D.C.

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “Window installation service”.

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

    • 4.9★ from 74 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2425 L St NW, Washington, DC 20037
    View profile for Pro Glass Repair(202) 963-2077

  13. #13 Window Nation

    Based in Lorton, 14 mi away

    62/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.5★ from 1,235 Google reviews, listed on Google as “Window installation service”.

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

    • 4.5★ from 1,235 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8198 Terminal Rd #105, Lorton, VA 22079
    View profile for Window Nation(703) 372-4540

  14. #14 Fast Glass Solutions

    Based in Arlington, 3 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Window installation service”.

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

    • 4.9★ from 80 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1850 Columbia Pike, Arlington, VA 22204
    View profile for Fast Glass Solutions(202) 451-9000

  17. #17 dmv 911 locksmith

    Based in College Park, 10 mi away

    61/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 159 Google reviews, listed on Google as “Window installation service”.

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

    • 4.8★ from 159 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9320 Cherry Hill Rd, College Park, MD 20740
    View profile for dmv 911 locksmith(202) 415-5299

  19. #19 Safety Glass Repair

    Based in Gaithersburg, 21 mi away

    60/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 165 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    20032 Mattingly Terrace, Gaithersburg, MD 20879
    View profile for Safety Glass Repair(202) 460-8860

  20. #20 AFG Auto Glass

    Based in Washington, D.C.

    60/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.3★ from 156 Google reviews, listed on Google as “Window installation service”.

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

    • 4.3★ from 156 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    Washington, DC 20005
    View profile for AFG Auto Glass(202) 280-2075

  22. #22 DMV Window Repairs LLC

    Based in Dale City, 21 mi away

    60/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 115 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 115 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13709 Lynn St, Woodbridge, VA 22191
    View profile for DMV Window Repairs LLC(202) 821-5334

  23. #23 Metro Windows and Glass Repair LLC

    Based in Falls Church, 7 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 50 Google reviews, listed on Google as “Window installation service”.

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

    • 4.8★ from 50 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6533, 2035 Arlington Blvd Suite A 2035, A, Falls Church, VA 22042
    View profile for Metro Windows and Glass Repair LLC(703) 586-5537

  24. #24 Washington DC Glass Repair: Windows & Doors, Emergency Board Up, Commercial Glass Replacement

    Based in Washington, D.C.

    60/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2425 L St NW APT 712, Washington, DC 20037
    View profile for Washington DC Glass Repair: Windows & Doors, Emergency Board Up, Commercial Glass Replacement(202) 830-8600

  25. #25 Titans Window Glass Repair

    Based in Alexandria, 7 mi away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 71 Google reviews
    Hours
    Mon–Thu 7 AM–9 PM · Fri 7 PM–9 PM · Sat–Sun 7 AM–9 PM
    Address
    5510 Ascot Ct #222, Alexandria, VA 22311
    View profile for Titans Window Glass Repair(202) 246-3452

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 645 ranked window installers here; the rest are on their profiles.

window installers in Washington, D.C., ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Elmer Auto Glass595.0★ (203)9 mi
27West Shore Home594.8★ (1,036)31 mi
28Premier Windows & Glass594.9★ (424)14 mi
29GREEN ENERGY LLC WINDOWS594.7★ (53)10 mi
30Quick Glass Repair595.0★ (35)13 mi
31SAM’S GLASS595.0★ (9)In Washington, D.C.
32Window Replacement DC - Professional Window Installation, & Door Installation594.8★ (30)In Washington, D.C.
33Alco Products Inc.594.9★ (208)11 mi
34Auto Glass Experts585.0★ (50)20 mi
35Safety Glass Repair585.0★ (97)27 mi
36DMV Pro Glass584.9★ (63)21 mi
37All Dwelling Solutions585.0★ (146)11 mi
38Auto Glass Express Inc - Windshield & ADAS584.7★ (363)11 mi
39Shower Doors Prime - Shower Doors ,Railings ,Glass Partition Walls ,Door Entrance585.0★ (16)9 mi
40DC Glass Doors And Window Repair583.9★ (49)In Washington, D.C.
41The Window Specialist585.0★ (22)13 mi
42City Doors and Glass585.0★ (8)3 mi
43City Auto Glass584.8★ (39)6 mi
44Metric Windows584.9★ (61)13 mi
45Infinity Replacement by Marvin584.9★ (33)7 mi
46Certified Window Co.584.9★ (49)11 mi
47American Home Contractors584.9★ (2,385)22 mi
48Quality Window & Glass Repair LLC585.0★ (28)8 mi
49BGV Construction & Windows LLC584.8★ (16)In Washington, D.C.
50JD Handy Pro LLC584.9★ (60)15 mi

Also serving Washington, D.C.

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 Washington, D.C.
BusinessGoogle ratingDistance
1 DAY CONTRACTORS LLC4.7★ (24)In Washington, D.C.
410 New Roof5.0★ (2)8 mi
Alexandria Home Improvement, LLC5.0★ (90)In Washington, D.C.
Allied Auto Glass of D.C5.0★ (2)In Washington, D.C.
Boston Window And Door CompanyIn Washington, D.C.
DC Emergency Glass RepairIn Washington, D.C.
East West Glass of Washington DCIn Washington, D.C.
Georgetown Glass Door & Window Repair | Emergency Glass Repair | Board up Washington DCIn Washington, D.C.
HiRISE WINDOWS3.0★ (2)7 mi
Ideal Siding Washington DC Metro5.0★ (4)In Washington, D.C.
JW Contractors5.0★ (1)In Washington, D.C.
Level 5 Construction LLCIn Washington, D.C.
M & G Renovations, Inc5.0★ (2)9 mi
McLean Electric Company4.9★ (103)In Washington, D.C.
Mr Windows Cleaning Service1.0★ (1)In Washington, D.C.
Oriental Living5.0★ (2)8 mi
SG Windows and Doors LLC5.0★ (2)9 mi
TriState Glassworx5.0★ (2)1 mi
Window Repair, CoIn Washington, D.C.
Windshield Replacement and Auto Glass Repair DC4.3★ (98)In Washington, D.C.

How much do window installers cost in Washington, D.C.?

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

How much do window installers cost in Washington, D.C.?
JobLowTypicalHighBasisChecked
Window replacement$3,370$7,200$11,600Per project (several windows): typical range of customer-reported projects. US national range × 0.98 South Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Washington, D.C. window installers

We scored 645 Washington, D.C. 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 Washington, D.C. 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 Washington, D.C.: frequently asked questions

Who is the best window installer in Washington, D.C.?

By CR Score, the highest-ranked window installer in Washington, D.C., DC is Kennedy Locksmith with a CR Score of 65/100. It has 4.9★ from 980 Google reviews. It is open 24/7. Kennedy Glass in DC (#2) and Zen Windows Washington DC (#3) follow. We ranked 645 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Washington, D.C.?

ContractorsRanked ranks 645 window installers serving Washington, D.C., DC. 13 of them are based in Washington, D.C.; 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 Washington, D.C. are open 24/7?

112 ranked window installers in Washington, D.C. post 24/7 hours. The highest-ranked are Kennedy Locksmith (#1), Kennedy Glass in DC (#2) and Zen Windows Washington DC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Washington, D.C. work on weekends?

428 of 645 ranked window installers post Saturday hours and 230 post Sunday hours. The highest-ranked open Saturdays are Kennedy Locksmith (#1), Kennedy Glass in DC (#2) and Zen Windows Washington DC (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Washington, D.C.?

Window replacement typically costs $3,370 to $11,600, with $7,200 typical (Per project (several windows): typical range of customer-reported projects. US national range × 0.98 South Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for District of Columbia. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Washington, D.C. window installers have?

The median Google rating among 645 rated window installers in Washington, D.C. is 4.9★, with a median of 34 reviews. Window Nation has the most, 4,186 reviews, and ranks #7. 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 Washington, D.C. count in this ranking?

Yes, if they are within 40 mi of the Washington, D.C. 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 Washington, D.C.

  1. October 2026: CR Scores recalculated for 645 window installers serving Washington, D.C..
  2. October 2026: 2 duplicate listings merged.

More window installers and Washington, D.C. pages

Window installers near Washington, D.C.

Other trades in Washington, D.C.