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Best Window Installers in Alexandria, VA (2026)

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

The short answer

  1. 1

    Best overall in Alexandria: Kennedy Locksmith, CR Score 64/100; 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 601.

  3. 8

    Most-reviewed: Window Nation, 4,186 Google reviews at 4.7★, the most of 601 ranked; ranked #8.

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

601 Alexandria window installers are ranked here by CR Score, from ten published factors. 105 are open 24/7, 406 open Saturdays and 215 open Sundays, based on posted hours. The median Google rating is 4.9★ across 601 rated businesses.

Most of this list also appears on the Window installers in Arlington ranking. See Window installers in Arlington

Top 10 window installers in Alexandria at a glance

Top 10 window installers in Alexandria at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Kennedy Locksmith644.9★ (980)Aspen Hill, 11 mi away24/7Overall
2Kennedy Glass in DC634.9★ (382)Washington, D.C., 8 mi away24/7Emergencies
3Old Town Glass & Window Repair635.0★ (372)Alexandria——
4Window Nation634.5★ (1,235)Lorton, 9 mi away24/7—
5Lumina Glass & Windows625.0★ (107)Washington, D.C., 6 mi away24/7—
6Prestine Glass Solutions – Window & Glass Replacement625.0★ (101)Washington, D.C., 6 mi away24/7—
7Renewal by Andersen of the Capital Region624.9★ (1,041)North Bethesda, 17 mi awaySat · Sun—
8Window Nation624.7★ (4,186)Glen Burnie, 34 mi away24/7Most reviews
9Thompson Creek Window Company Lanham614.5★ (3,143)Lanham, 15 mi awaySat · Sun · Evenings—
10Fast Glass Solutions614.9★ (80)Arlington, 4 mi away24/7—

The 601 best window installers in Alexandria, ranked

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

  1. Ranked #1 in Alexandria

    #1 Kennedy Locksmith

    Based in Aspen Hill, 11 mi away

    64/100CR 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., 8 mi away

    63/100CR 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 Window Nation

    Based in Lorton, 9 mi away

    63/100CR Score

    Ranked #4 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

  5. #5 Lumina Glass & Windows

    Based in Washington, D.C., 6 mi away

    62/100CR Score

    Ranked #5 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

  6. #6 Prestine Glass Solutions – Window & Glass Replacement

    Based in Washington, D.C., 6 mi away

    62/100CR Score

    Ranked #6 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

  8. #8 Window Nation

    Based in Glen Burnie, 34 mi away

    62/100CR Score

    Ranked #8 because of its Google rating and review volume: 4.7★ from 4,186 Google reviews, the most in Alexandria.

    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

  9. #9 Thompson Creek Window Company Lanham

    Based in Lanham, 15 mi away

    61/100CR Score

    Ranked #9 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

  10. #10 Fast Glass Solutions

    Based in Arlington, 4 mi away

    61/100CR Score

    Ranked #10 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

  12. #12 AA Window & Glass Repair

    Based in Washington, D.C., 7 mi away

    61/100CR Score

    Ranked #12 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

  13. #13 Pro Glass Repair

    Based in Washington, D.C., 7 mi away

    61/100CR Score

    Ranked #13 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

  16. #16 DMV Window Repairs LLC

    Based in Dale City, 16 mi away

    60/100CR Score

    Ranked #16 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

  17. #17 Titans Window Glass Repair

    Based in Alexandria

    60/100CR Score

    Ranked #17 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

  18. #18 dmv 911 locksmith

    Based in College Park, 16 mi away

    60/100CR Score

    Ranked #18 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 Metro Windows and Glass Repair LLC

    Based in Falls Church, 8 mi away

    59/100CR Score

    Ranked #19 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

  20. #20 Safety Glass Repair

    Based in Gaithersburg, 27 mi away

    59/100CR Score

    Ranked #20 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

  21. #21 Zen Windows Washington DC

    Based in Washington, D.C., 23 mi away

    59/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 119 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Zen Windows Washington DC(301) 337-5656

  22. #22 Shower Doors Prime - Shower Doors ,Railings ,Glass Partition Walls ,Door Entrance

    Based in Alexandria

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5407 Vine St Rose Hill, Alexandria, VA 22310
    View profile for Shower Doors Prime - Shower Doors ,Railings ,Glass Partition Walls ,Door Entrance(703) 296-0111

  23. #23 Quick Glass Repair

    Based in Arlington, 10 mi away

    59/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 35 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Quick Glass Repair(202) 717-2944

  24. #24 DMV Pro Glass

    Based in Dale City, 16 mi away

    59/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Window installation service”.

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

    • 4.9★ from 63 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12223 Nutmeg Ct, Woodbridge, VA 22192
    View profile for DMV Pro Glass(703) 499-7497

  25. #25 The Window Specialist

    Based in Crofton, 10 mi away

    58/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 22 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for The Window Specialist(202) 883-0261

How much do window installers cost in Alexandria?

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

How much do window installers cost in Alexandria?
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 Alexandria window installers

We scored 601 Alexandria 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 Alexandria 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 Alexandria: frequently asked questions

Who is the best window installer in Alexandria?

By CR Score, the highest-ranked window installer in Alexandria, VA is Kennedy Locksmith with a CR Score of 64/100. It has 4.9★ from 980 Google reviews. It is open 24/7. Kennedy Glass in DC (#2) and Old Town Glass & Window Repair (#3) follow. We ranked 601 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Alexandria?

ContractorsRanked ranks 601 window installers serving Alexandria, VA. 3 of them are based in Alexandria; the rest serve it from nearby towns. Counts are as of October 2026.

Which window installers in Alexandria are open 24/7?

105 ranked window installers in Alexandria post 24/7 hours. The highest-ranked are Kennedy Locksmith (#1), Kennedy Glass in DC (#2) and Window Nation (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Alexandria work on weekends?

406 of 601 ranked window installers post Saturday hours and 215 post Sunday hours. The highest-ranked open Saturdays are Kennedy Locksmith (#1), Kennedy Glass in DC (#2) and Window Nation (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Alexandria?

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 Virginia. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Alexandria window installers have?

The median Google rating among 601 rated window installers in Alexandria is 4.9★, with a median of 35 reviews. Window Nation has the most, 4,186 reviews, and ranks #8. 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 Alexandria count in this ranking?

Yes, if they are within 40 mi of the Alexandria 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 Alexandria

  1. October 2026: CR Scores recalculated for 601 window installers serving Alexandria.
  2. October 2026: 1 duplicate listing merged.

More window installers and Alexandria pages

Other trades in Alexandria