63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 622 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in Mercer Island, WA (2026)
163 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mercer Island: Seattle Window Cleaners, CR Score 63/100; 4.9★ from 622 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): BEST HOUSE LLC, posts 24/7 hours; ranked #3 of 163.
- 18
Most-reviewed: Valentine Roofing, 1,359 Google reviews at 4.8★, the most of 163 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
163 Mercer Island window cleaners are ranked here by CR Score, from ten published factors. 27 are open 24/7, 101 open Saturdays and 65 open Sundays, based on posted hours. The median Google rating is 5.0★ across 163 rated businesses.
Top 10 window cleaners in Mercer Island at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Seattle Window Cleaners | 63 | 4.9★ (622) | Seattle, 7 mi away | 24/7 | Overall |
| 2 | Renova Exteriors | 62 | 4.9★ (400) | Seattle, 5 mi away | Sat · Sun · Evenings | — |
| 3 | BEST HOUSE LLC | 60 | 5.0★ (28) | Renton, 2 mi away | 24/7 | Emergencies |
| 4 | Window Cleaning Bellevue | 60 | 5.0★ (68) | Bellevue, 6 mi away | 24/7 | — |
| 5 | A&B Pro Cleaning in Washington | Residential Cleaning | Commercial Cleaning | 60 | 4.7★ (166) | Renton, 7 mi away | 24/7 | — |
| 6 | Fresh Lemon Cleaning | 59 | 4.9★ (107) | Bellevue, 7 mi away | Sat · Sun · Evenings | — |
| 7 | PNW Power Clean - Cleaning Services Bellevue WA | 59 | 5.0★ (13) | Bellevue, 3 mi away | 24/7 | — |
| 8 | Refyne Window Cleaning | 59 | 5.0★ (296) | Bellevue, 3 mi away | Sat · Sun | — |
| 9 | World Glass Window Cleaning | 59 | 5.0★ (186) | Seattle, 10 mi away | Sat · Sun | — |
| 10 | Orca Window Cleaning | 58 | 5.0★ (52) | Kirkland, 6 mi away | Sat · Sun · Evenings | — |
The 163 best window cleaners in Mercer Island, 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.
Based in Seattle, 5 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 400 Google reviews, listed on Google as “Window cleaning service”.
Based in Renton, 2 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Window cleaning service”.
Based in Bellevue, 6 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Window cleaning service”.
Based in Renton, 7 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 166 Google reviews, listed on Google as “Window cleaning service”.
Based in Bellevue, 7 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 107 Google reviews, listed on Google as “Window cleaning service”.
Based in Bellevue, 3 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Window cleaning service”.
Based in Bellevue, 3 mi away
59/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 296 Google reviews.
Based in Seattle, 10 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 186 Google reviews, listed on Google as “Window cleaning service”.
Based in Kirkland, 6 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Window cleaning service”.
Based in Seattle, 7 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 155 Google reviews, listed on Google as “Window cleaning service”.
Based in Tacoma, 8 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Window cleaning service”.
Based in Mercer Island
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Auburn, 6 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Window cleaning service”.
#15 HappyHome
Based in Renton, 6 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Window cleaning service”.
Based in Seattle, 6 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Window cleaning service”.
Based in Auburn, 10 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Window cleaning service”.
Based in Tukwila, 8 mi away
57/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 1,359 Google reviews, the most in Mercer Island.
Based in Issaquah, 10 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Window cleaning service”.
Based in Kirkland, 9 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Window cleaning service”.
Based in Renton, 2 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “Window cleaning service”.
Based in Redmond, 11 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 87 Google reviews, listed on Google as “Window cleaning service”.
Based in Tacoma, 10 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Window cleaning service”.
Based in Issaquah, 8 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Window cleaning service”.
#25 Pure Panes
Based in Bellevue, 4 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Window cleaning service”.
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 163 ranked window cleaners here; the rest are on their profiles.
Also serving Mercer Island
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 |
|---|---|---|
| 🌟 Seattle Commercial Cleaning Services | 2.0★ (1) | 5 mi |
| American Standard Window & Gutter Cleaning - Pressure Washing | 5.0★ (1) | 3 mi |
| Aqua Window Cleaning | 5.0★ (2) | 3 mi |
| Chimera Rope Access | 4.0★ (2) | 6 mi |
| Clarity Window Care | 5.0★ (1) | 6 mi |
| Everbright Exteriors LLC | 5.0★ (1) | 2 mi |
| EXPERIENCE | 5.0★ (1) | 2 mi |
| Geana's Cleaning Service LLC | 5.0★ (2) | 4 mi |
| Jim's Window Cleaning | 5.0★ (2) | 1 mi |
| Jungle Jim's Window Cleaning | 3.0★ (2) | 13 mi |
| Lilas Cleaning Services | 5.0★ (2) | 9 mi |
| McGeorge Window Cleaning | 5.0★ (1) | 3 mi |
| NJAD LLC | 5.0★ (2) | 13 mi |
| Northern Services | 5.0★ (2) | 11 mi |
| Rick's Window Rangers | 5.0★ (2) | 10 mi |
| Smart Cleaning Janitorial | 1.0★ (2) | 6 mi |
| Sound Window and Gutter Cleaning | 3.0★ (2) | 4 mi |
| Strawhat Cleaning Services | 5.0★ (2) | 12 mi |
| Tina's Helping Hands | 5.0★ (2) | 6 mi |
| Tran's Professional Services | In Mercer Island |
How we ranked Mercer Island window cleaners
We scored 163 Mercer Island 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 Mercer Island 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 Mercer Island: frequently asked questions
Who is the best window cleaner in Mercer Island?
By CR Score, the highest-ranked window cleaner in Mercer Island, WA is Seattle Window Cleaners with a CR Score of 63/100. It has 4.9★ from 622 Google reviews. It is open 24/7. Renova Exteriors (#2) and BEST HOUSE LLC (#3) follow. We ranked 163 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in Mercer Island?
ContractorsRanked ranks 163 window cleaners serving Mercer Island, WA. 1 of them is based in Mercer Island; 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 Mercer Island are open 24/7?
27 ranked window cleaners in Mercer Island post 24/7 hours. The highest-ranked are Seattle Window Cleaners (#1), BEST HOUSE LLC (#3) and Window Cleaning Bellevue (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Mercer Island work on weekends?
101 of 163 ranked window cleaners post Saturday hours and 65 post Sunday hours. The highest-ranked open Saturdays are Seattle Window Cleaners (#1), Renova Exteriors (#2) and BEST HOUSE LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Mercer Island window cleaners have?
The median Google rating among 163 rated window cleaners in Mercer Island is 5.0★, with a median of 33 reviews. Valentine Roofing has the most, 1,359 reviews, and ranks #18. 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 Mercer Island count in this ranking?
Yes, if they are within 15 mi of the Mercer Island 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 Mercer Island
- November 2026: CR Scores recalculated for 163 window cleaners serving Mercer Island.
More window cleaners and Mercer Island pages
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