92/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 980 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 980 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Window Installers in Lanham-Seabrook, MD (2026)
732 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lanham-Seabrook: Kennedy Locksmith, CR Score 92/100; 4.9★ from 980 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Window Nation, posts 24/7 hours; ranked #2 of 732.
- 2
Most-reviewed: Window Nation, 4,186 Google reviews at 4.7★, the most of 732 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
732 Lanham-Seabrook window installers are ranked here by CR Score, from 8 published factors. 117 are open 24/7, 498 open Saturdays and 284 open Sundays, based on posted hours. The median Google rating is 4.8★ across 732 rated businesses.
Top 10 window installers in Lanham-Seabrook at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kennedy Locksmith | 92 | 4.9★ (980) | Aspen Hill, 12 mi away | 24/7 | Overall |
| 2 | Window Nation | 92 | 4.7★ (4,186) | Glen Burnie, 18 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Kennedy Glass in DC | 91 | 4.9★ (382) | Washington, D.C., 10 mi away | 24/7 | — |
| 4 | Prestine Glass Solutions – Window & Glass Replacement | 89 | 5.0★ (101) | Washington, D.C., 10 mi away | 24/7 | — |
| 5 | Lumina Glass & Windows | 89 | 5.0★ (107) | Washington, D.C., 11 mi away | 24/7 | — |
| 6 | Quality Window & Glass Repair LLC | 89 | 5.0★ (392) | Germantown, 27 mi away | 24/7 | — |
| 7 | Zen Windows Washington DC | 89 | 5.0★ (119) | Washington, D.C., 13 mi away | 24/7 | — |
| 8 | Thompson Creek Window Company Lanham | 89 | 4.5★ (3,143) | Lanham, 2 mi away | Sat · Sun · Evenings | — |
| 9 | KELEMER BROTHERS REPLACEMENT WINDOWS | 89 | 5.0★ (416) | Silver Spring, 9 mi away | Sat · Sun · Evenings | — |
| 10 | Renewal by Andersen of the Capital Region | 88 | 4.9★ (1,041) | North Bethesda, 15 mi away | Sat · Sun | — |
The 732 best window installers in Lanham-Seabrook, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Glen Burnie, 18 mi away
92/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 4,186 Google reviews, the most Google reviews on this list (4,186).
Based on 6 of 8 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
Based in Washington, D.C., 10 mi away
91/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 382 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Washington, D.C., 10 mi away
89/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 101 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Washington, D.C., 11 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 107 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Germantown, 27 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 392 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 392 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19006 Perrone Dr, Germantown, MD 20874
Based in Washington, D.C., 13 mi away
89/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 119 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 119 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Lanham, 2 mi away
89/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ from 3,143 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 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
Based in Silver Spring, 9 mi away
89/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 416 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 416 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 10822 Childs Ct, Silver Spring, MD 20901
Based in North Bethesda, 15 mi away
88/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 1,041 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 1,041 Google reviews
- Hours
- Mon–Sun 10 AM–6 PM
- Address
- 5081 Nicholson Ln, North Bethesda, MD 20852
Based in Gaithersburg, 22 mi away
88/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 165 Google reviews, open 24/7.
Based on 6 of 8 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
Based in College Park, 6 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 159 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Washington, D.C., 11 mi away
88/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 116 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Hyattsville, 2 mi away
88/100CR ScoreRanked #14 because of its Google rating and availability: 4.7★ from 53 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8181 Professional Pl Suite 117, Hyattsville, MD 20785
#15 Pro Glass Repair
Based in Washington, D.C., 12 mi away
88/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 74 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Catonsville, 18 mi away
88/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 97 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 97 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Washington, D.C., 13 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 3,700 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 3,700 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11820 W Market Pl Ste f, Fulton, MD 20759
Based in Arlington, 14 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 80 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Alexandria, 18 mi away
87/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 372 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 372 Google reviews
- Address
- 244 S Reynolds St, Alexandria, VA 22304
#20 Window Nation
Based in Lorton, 24 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 4.5★ from 1,235 Google reviews, open 24/7.
Based on 6 of 8 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
#21 West Shore Home
Based in Arbutus, 21 mi away
87/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 1,036 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 1,036 Google reviews
- Hours
- Mon–Sat 8 AM–8 PM · Sun 9 AM–5:30 PM
- Address
- 815 Central Ave Suite A, Linthicum Heights, MD 21090
Based in Dale City, 31 mi away
86/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 115 Google reviews, open 24/7.
Based on 6 of 8 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
Based in Fairfax, 22 mi away
86/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 669 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.8★ from 669 Google reviews
- Address
- 2814 Merrilee Dr A, Fairfax, VA 22031
Based in Aspen Hill, 23 mi away
85/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 50 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Darnestown, 17 mi away
85/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 231 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 231 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 9:30 AM–4:30 PM · Sun 10 AM–3 PM
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 732 ranked window installers here; the rest are on their profiles.
Also serving Lanham-Seabrook
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.
| Business | Google rating | Distance |
|---|---|---|
| 410 New Roof | 5.0★ (2) | 10 mi |
| Accents Pro Renovators LLC | 5.0★ (2) | 8 mi |
| Allied Auto Glass of D.C | 5.0★ (2) | 11 mi |
| C R Windows Inc. | 5.0★ (2) | 22 mi |
| Clear Choice of Maryland | 3.0★ (2) | 2 mi |
| Even’s Exterior, LLC | 5.0★ (2) | 20 mi |
| Fish Window Cleaning | 5.0★ (2) | 23 mi |
| Fox Creek Builders LLC | 5.0★ (2) | 14 mi |
| Glen Burnie Auto Glass | 5.0★ (2) | 14 mi |
| HiRISE WINDOWS | 3.0★ (2) | 14 mi |
| Home Services at The Home Depot | 3.0★ (2) | 9 mi |
| Home Services at The Home Depot | 5.0★ (2) | 24 mi |
| LUNA AUTO DETAIL | 3.0★ (2) | 5 mi |
| M & G Renovations, Inc | 5.0★ (2) | 5 mi |
| Oriental Living | 5.0★ (2) | 13 mi |
| Quality Auto Glass | 5.0★ (2) | 20 mi |
| Sears Heating and Air Conditioning | 3.0★ (2) | 16 mi |
| Sears Window Replacement | 2.5★ (2) | 22 mi |
| SG Windows and Doors LLC | 5.0★ (2) | 8 mi |
| TriState Glassworx | 5.0★ (2) | 10 mi |
How much do window installers cost in Lanham-Seabrook?
Typical prices in USD, adjusted for Maryland with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,370 | $7,200 | $11,600 | Per 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 Lanham-Seabrook window installers
We scored 732 Lanham-Seabrook window installers on 8 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. Unknown factors are left out of the score, 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.
| Factor | Weight | Computed from | In Lanham-Seabrook data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Window installers in Lanham-Seabrook: frequently asked questions
Who is the best window installer in Lanham-Seabrook?
By CR Score, the highest-ranked window installer in Lanham-Seabrook, MD is Kennedy Locksmith with a CR Score of 92/100. It has 4.9★ from 980 Google reviews. It is open 24/7. Window Nation (#2) and Kennedy Glass in DC (#3) follow. We ranked 732 window installers on 8 factors, last updated October 22, 2026.
How many window installers are there in Lanham-Seabrook?
ContractorsRanked ranks 732 window installers serving Lanham-Seabrook, MD. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which window installers in Lanham-Seabrook are open 24/7?
117 ranked window installers in Lanham-Seabrook post 24/7 hours. The highest-ranked are Kennedy Locksmith (#1), Window Nation (#2) and Kennedy Glass in DC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which window installers in Lanham-Seabrook work on weekends?
498 of 732 ranked window installers post Saturday hours and 284 post Sunday hours. The highest-ranked open Saturdays are Kennedy Locksmith (#1), Window Nation (#2) and Kennedy Glass in DC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does window replacement cost in Lanham-Seabrook?
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 Maryland. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Lanham-Seabrook window installers have?
The median Google rating among 732 rated window installers in Lanham-Seabrook is 4.8★, with a median of 33 reviews. Window Nation has the most, 4,186 reviews, and ranks #2. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do window installers outside Lanham-Seabrook count in this ranking?
Yes, if they are within 40 mi of the Lanham-Seabrook 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 Lanham-Seabrook
- October 2026: CR Scores recalculated for 732 window installers serving Lanham-Seabrook.
- October 2026: 3 duplicate listings merged.
More window installers and Lanham-Seabrook pages
Window installers near Lanham-Seabrook
- Window installers in Seabrook, MD731 ranked
- Window installers in Lanham, MD733 ranked
- Window installers in Goddard, MD734 ranked
- Window installers in New Carrollton, MD740 ranked
- Window installers in Glenn Dale, MD731 ranked
- Window installers in Glenarden, MD722 ranked
- Window installers in Greenbelt, MD746 ranked
- Window installers in Landover, MD729 ranked
- Window installers in East Riverdale, MD739 ranked
- Window installers in Fairwood, MD716 ranked
Other trades in Lanham-Seabrook
- Roofers in Lanham-Seabrook1532 ranked
- Plumbers in Lanham-Seabrook845 ranked
- Electricians in Lanham-Seabrook758 ranked
- HVAC contractors in Lanham-Seabrook1066 ranked
- General contractors in Lanham-Seabrook1578 ranked
- Painters in Lanham-Seabrook331 ranked
- Landscapers in Lanham-Seabrook337 ranked
- Handymen in Lanham-Seabrook189 ranked
- Kitchen remodelers in Lanham-Seabrook1105 ranked
- Bathroom remodelers in Lanham-Seabrook1086 ranked
- Flooring contractors in Lanham-Seabrook845 ranked
- Tile installers in Lanham-Seabrook95 ranked
- Drywall contractors in Lanham-Seabrook20 ranked
- Concrete contractors in Lanham-Seabrook377 ranked
- Fence contractors in Lanham-Seabrook176 ranked
- Deck builders in Lanham-Seabrook459 ranked
- Siding contractors in Lanham-Seabrook655 ranked
- Gutter installers in Lanham-Seabrook352 ranked
- Insulation contractors in Lanham-Seabrook150 ranked
- Solar installers in Lanham-Seabrook193 ranked
- Garage door repair companies in Lanham-Seabrook136 ranked
- Foundation repair companies in Lanham-Seabrook211 ranked
- Tree services in Lanham-Seabrook344 ranked
- Masonry contractors in Lanham-Seabrook323 ranked
- Water damage restoration companies in Lanham-Seabrook887 ranked
- Home builders in Lanham-Seabrook789 ranked
- Demolition contractors in Lanham-Seabrook128 ranked
- All contractors in Lanham-Seabrook