59/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 318 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in Lanham, MD (2026)
87 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lanham: Window Genie of Bethesda, CR Score 59/100; 4.9★ from 318 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): DMV WINDOWS, posts 24/7 hours; ranked #2 of 87.
- 6
Most-reviewed: Ned Stevens Gutter Cleaning, 1,327 Google reviews at 4.6★, the most of 87 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
87 Lanham window cleaners are ranked here by CR Score, from ten published factors. 16 are open 24/7, 60 open Saturdays and 32 open Sundays, based on posted hours. The median Google rating is 5.0★ across 87 rated businesses.
Top 10 window cleaners in Lanham at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Window Genie of Bethesda | 59 | 4.9★ (318) | Silver Spring, 13 mi away | 24/7 | Overall |
| 2 | DMV WINDOWS | 58 | 5.0★ (29) | Washington, D.C., 9 mi away | 24/7 | Emergencies |
| 3 | Cleaning Services | Karla's Professional Cleaning | House Cleaning | 57 | 5.0★ (66) | Silver Spring, 7 mi away | Sat | — |
| 4 | CleanSpaceDC | 57 | 5.0★ (24) | Washington, D.C., 10 mi away | 24/7 | — |
| 5 | Federal Cleaning LLC | 56 | 5.0★ (15) | Ellicott City, 9 mi away | 24/7 | — |
| 6 | Ned Stevens Gutter Cleaning | 56 | 4.6★ (1,327) | Laurel, 9 mi away | 24/7 | Most reviews |
| 7 | Rent Maids | 56 | 4.9★ (71) | Washington, D.C., 8 mi away | Sat | — |
| 8 | EdPro Cleaning Services | 56 | 5.0★ (67) | Silver Spring, 9 mi away | Sat | — |
| 9 | DC WINDOWS | 56 | 5.0★ (248) | Rockville, 12 mi away | — | — |
| 10 | GUTTERDOGS Affordable Soft Power Washing & Safe Roof Cleaning | 55 | 4.9★ (504) | District Heights, 9 mi away | Sat · Sun · Evenings | — |
The 87 best window cleaners in Lanham, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 DMV WINDOWS
Based in Washington, D.C., 9 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Window cleaning service”.
Based in Silver Spring, 7 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Window cleaning service”.
#4 CleanSpaceDC
Based in Washington, D.C., 10 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Window cleaning service”.
Based in Ellicott City, 9 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window cleaning service”.
Based in Laurel, 9 mi away
56/100CR ScoreRanked #6 because of its Google rating and review volume: 4.6★ from 1,327 Google reviews, the most in Lanham.
#7 Rent Maids
Based in Washington, D.C., 8 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Window cleaning service”.
Based in Silver Spring, 9 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Window cleaning service”.
#9 DC WINDOWS
Based in Rockville, 12 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 248 Google reviews, listed on Google as “Window cleaning service”.
Based in District Heights, 9 mi away
55/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 504 Google reviews.
Based in Bethesda, 13 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Window cleaning service”.
Based in Silver Spring, 13 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Window cleaning service”.
#13 Yami's Cleaning
Based in Bowie, 4 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window cleaning service”.
Based in Rockville, 14 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window cleaning service”.
Based in Arlington, 10 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window cleaning service”.
Based in Washington, D.C., 9 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Window cleaning service”.
Based in Glen Burnie, 14 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Window cleaning service”.
Based in Takoma Park, 8 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Window cleaning service”.
Based in Glen Burnie, 9 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Window cleaning service”.
Based in Washington, D.C., 13 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Window cleaning service”.
Based in Ellicott City, 13 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 12 Google reviews, listed on Google as “Window cleaning service”.
#22 Clearing View
Based in Annandale, 14 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Window cleaning service”.
#23 Bee CleanTeam
Based in Silver Spring, 13 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Window cleaning service”.
Based in Silver Spring, 11 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Window cleaning service”.
Based in Lanham
52/100CR ScoreRanked #25 because of its Google rating and review volume: 4.9★ from 42 Google reviews.
Window cleaners 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 87 ranked window cleaners here; the rest are on their profiles.
Also serving Lanham
20 more window cleaners within 15 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 |
|---|---|---|
| American Window And Building Cleaning | 5 mi | |
| Blue Streak Exterior Services | 8 mi | |
| C.R. Construction Services | 5.0★ (2) | 6 mi |
| California Window Cleaning | 7 mi | |
| Chevy Chase Mr Windows LLC | 5.0★ (1) | 12 mi |
| Clean City LLC | 8 mi | |
| Clean Clear Services LLC | 6 mi | |
| Cora AC | 5.0★ (2) | 10 mi |
| D&D Janitorial Services LLC | 5.0★ (1) | 8 mi |
| Elsy Cleaning Service | 5.0★ (2) | 4 mi |
| Glass Act Windows & Power Washing | 4.0★ (1) | 15 mi |
| NOVA PRO WASH | 5.0★ (1) | 8 mi |
| NovaProWash | 8 mi | |
| Property Cleaning Services LLC | 5.0★ (1) | 10 mi |
| Ragin Cajun Services | 5.0★ (2) | 13 mi |
| S&Jcleaning servises | 6 mi | |
| Sage Enterprises, Inc. | 5.0★ (1) | 11 mi |
| ServiceMaster Fire & Water Restoration TWA | 5 mi | |
| shineysolutions | 5 mi | |
| Window Film Depot | 5.0★ (1) | 11 mi |
How we ranked Lanham window cleaners
We scored 87 Lanham window cleaners 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 November 3, 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 data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Window cleaners in Lanham: frequently asked questions
Who is the best window cleaner in Lanham?
By CR Score, the highest-ranked window cleaner in Lanham, MD is Window Genie of Bethesda with a CR Score of 59/100. It has 4.9★ from 318 Google reviews. It is open 24/7. DMV WINDOWS (#2) and Cleaning Services | Karla's Professional Cleaning | House Cleaning (#3) follow. We ranked 87 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in Lanham?
ContractorsRanked ranks 87 window cleaners serving Lanham, MD. 2 of them are based in Lanham; the rest serve it from nearby towns. Another 20 within 15 mi are listed but not ranked yet. Counts are as of November 2026.
Which window cleaners in Lanham are open 24/7?
16 ranked window cleaners in Lanham post 24/7 hours. The highest-ranked are Window Genie of Bethesda (#1), DMV WINDOWS (#2) and CleanSpaceDC (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Lanham work on weekends?
60 of 87 ranked window cleaners post Saturday hours and 32 post Sunday hours. The highest-ranked open Saturdays are Window Genie of Bethesda (#1), DMV WINDOWS (#2) and Cleaning Services | Karla's Professional Cleaning | House Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Lanham window cleaners have?
The median Google rating among 87 rated window cleaners in Lanham is 5.0★, with a median of 17 reviews. Ned Stevens Gutter Cleaning has the most, 1,327 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 cleaners?
Each window cleaner 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 cleaners outside Lanham count in this ranking?
Yes, if they are within 15 mi of the Lanham city center, our service radius for window cleaners. 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.
Can window cleaners pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Lanham
- November 2026: CR Scores recalculated for 87 window cleaners serving Lanham.
- November 2026: 2 duplicate listings merged.
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