63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 603 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in Watertown, MA (2026)
130 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Watertown: Onix Cleaning Services, CR Score 63/100; 4.9★ from 603 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Full Clarity Window Washing, posts 24/7 hours; ranked #2 of 130.
- 31
Most-reviewed: Ned Stevens Gutter Cleaning, 1,511 Google reviews at 4.5★, the most of 130 ranked; ranked #31.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
130 Watertown window cleaners are ranked here by CR Score, from ten published factors. 25 are open 24/7, 96 open Saturdays and 51 open Sundays, based on posted hours. The median Google rating is 5.0★ across 130 rated businesses.
Top 10 window cleaners in Watertown at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Onix Cleaning Services | 63 | 4.9★ (603) | Everett, 8 mi away | 24/7 | Overall |
| 2 | Full Clarity Window Washing | 62 | 5.0★ (494) | Lawrence, 11 mi away | 24/7 | Emergencies |
| 3 | Eclipse Window Cleaning | 60 | 5.0★ (143) | Westwood, 12 mi away | 24/7 | — |
| 4 | Boston Pro Cleaners | 59 | 4.9★ (52) | Chelsea, 8 mi away | 24/7 | — |
| 5 | Six Stars Window Cleaning | 58 | 5.0★ (143) | Newton, 2 mi away | Sat · Sun | — |
| 6 | Unicorn Window Cleaning | 58 | 5.0★ (96) | Wellesley, 1 mi away | 24/7 | — |
| 7 | Ally Window Cleaning | 58 | 5.0★ (88) | Cambridge, 5 mi away | Sat | — |
| 8 | MaidPro Needham | 58 | 4.9★ (106) | Needham, 7 mi away | Sat · Evenings | — |
| 9 | Above & Beyond Window Cleaning | 57 | 5.0★ (260) | Billerica, 11 mi away | 24/7 | — |
| 10 | Sparkle Squad of Boston-Framingham-Canton | 57 | 5.0★ (131) | Boston, 9 mi away | Sat · Evenings | — |
The 130 best window cleaners in Watertown, 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 Lawrence, 11 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 494 Google reviews, listed on Google as “Window cleaning service”.
Based in Westwood, 12 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Window cleaning service”.
Based in Chelsea, 8 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Window cleaning service”.
Based in Newton, 2 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Wellesley, 1 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Cambridge, 5 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 88 Google reviews, listed on Google as “Window cleaning service”.
Based in Needham, 7 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 106 Google reviews, listed on Google as “Window cleaning service”.
Based in Billerica, 11 mi away
57/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 260 Google reviews.
Based in Boston, 9 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “Window cleaning service”.
Based in Newton, 3 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Window cleaning service”.
Based in Boston, 7 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 295 Google reviews, listed on Google as “Window cleaning service”.
#13 Clearstead LLC
Based in Newton, 4 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Window cleaning service”.
Based in Lynn, 9 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Window cleaning service”.
Based in Watertown
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.2★ from 6 Google reviews, listed on Google as “Window cleaning service”.
Based in Newton, 3 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Window cleaning service”.
Based in Watertown
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.4★ from 12 Google reviews, listed on Google as “Window cleaning service”.
Based in Boston, 12 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Window cleaning service”.
#19 Lilac Cleaning
Based in Everett, 7 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window cleaning service”.
Based in Boston, 4 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window cleaning service”.
Based in Chelsea, 8 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Window cleaning service”.
Based in Wellesley, 3 mi away
56/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 70 Google reviews.
Based in Boston, 7 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “Window cleaning service”.
Based in Brookline, 4 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window cleaning service”.
Based in Newton, 2 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 11 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 130 ranked window cleaners here; the rest are on their profiles.
Also serving Watertown
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 |
|---|---|---|
| Barreto Cleaning Services INC | 5.0★ (2) | 15 mi |
| Bay Shore Services Company, Inc. | 5.0★ (1) | 6 mi |
| Betania's Cleaning Services | 1.0★ (2) | 13 mi |
| Crystal View | 5.0★ (2) | 5 mi |
| Ferre Landscaping and Exterior Management | 5.0★ (2) | 6 mi |
| LTC cleaning company llc | 5.0★ (2) | 11 mi |
| Maddy's Cleaning | 5.0★ (2) | 12 mi |
| Maid Boston - Downtown Office Cleaning & House Cleaning | 5.0★ (1) | 7 mi |
| Maid for Home | 4.5★ (2) | 11 mi |
| Mr Squeege & Co | 5.0★ (2) | In Watertown |
| Mr window cleaning | 5.0★ (2) | 12 mi |
| Oakwood property services | 5.0★ (1) | 5 mi |
| Pete’s Window Cleaning | 1.0★ (1) | In Watertown |
| RI Janitorial Service | 5.0★ (1) | 4 mi |
| Sky Safety Inc. Boston | 1.0★ (2) | 10 mi |
| United Building Services Inc | 5.0★ (2) | 5 mi |
| Water Works Pressure & Soft Wash | 5.0★ (1) | 5 mi |
| Wilson's Green Cleaning Services | 5.0★ (2) | 5 mi |
| World Class Painting and Finishes | 5.0★ (2) | 5 mi |
| Yellow Duck Window Cleaning LLC | 5.0★ (2) | 7 mi |
How we ranked Watertown window cleaners
We scored 130 Watertown 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 Watertown 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 Watertown: frequently asked questions
Who is the best window cleaner in Watertown?
By CR Score, the highest-ranked window cleaner in Watertown, MA is Onix Cleaning Services with a CR Score of 63/100. It has 4.9★ from 603 Google reviews. It is open 24/7. Full Clarity Window Washing (#2) and Eclipse Window Cleaning (#3) follow. We ranked 130 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in Watertown?
ContractorsRanked ranks 130 window cleaners serving Watertown, MA. 3 of them are based in Watertown; 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 Watertown are open 24/7?
25 ranked window cleaners in Watertown post 24/7 hours. The highest-ranked are Onix Cleaning Services (#1), Full Clarity Window Washing (#2) and Eclipse Window Cleaning (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Watertown work on weekends?
96 of 130 ranked window cleaners post Saturday hours and 51 post Sunday hours. The highest-ranked open Saturdays are Onix Cleaning Services (#1), Full Clarity Window Washing (#2) and Eclipse Window Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Watertown window cleaners have?
The median Google rating among 130 rated window cleaners in Watertown is 5.0★, with a median of 16 reviews. Ned Stevens Gutter Cleaning has the most, 1,511 reviews, and ranks #31. 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 Watertown count in this ranking?
Yes, if they are within 15 mi of the Watertown 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 Watertown
- November 2026: CR Scores recalculated for 130 window cleaners serving Watertown.
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