66/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 291 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Window Cleaners in Oshawa, ON (2026)
60 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Oshawa: Brightest Day Window Cleaning, CR Score 66/100; 5.0★ from 291 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): DayJobs - Window Cleaning, posts 24/7 hours; ranked #3 of 60.
- 2
Most-reviewed: Mehta Brothers Window & Eaves Cleaning, 523 Google reviews at 5.0★, the most of 60 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
60 Oshawa window cleaners are ranked here by CR Score, from ten published factors. 7 are open 24/7, 45 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 5.0★ across 60 rated businesses.
Top 10 window cleaners in Oshawa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Brightest Day Window Cleaning | 66 | 5.0★ (291) | Oshawa | Sat · Sun · Evenings | Overall |
| 2 | Mehta Brothers Window & Eaves Cleaning | 66 | 5.0★ (523) | Ajax, 5 km away | Sat · Sun · Evenings | Most reviews |
| 3 | DayJobs - Window Cleaning | 64 | 5.0★ (60) | Oshawa | 24/7 | Emergencies |
| 4 | No Dirt Left Behind | 64 | 4.9★ (126) | Oshawa | Sat · Sun · Evenings | — |
| 5 | M&M Professional Window Cleaners Limited | 64 | 4.9★ (93) | Pickering, 4 km away | 24/7 | — |
| 6 | Reef Window Cleaning Inc. | 64 | 5.0★ (96) | Oshawa | Sat · Sun · Evenings | — |
| 7 | C&N Home Services + Window Cleaning | 63 | 5.0★ (76) | Oshawa | Sat · Sun · Evenings | — |
| 8 | Dynamic Surface Solutions | 63 | 4.9★ (66) | Oshawa | Sat · Sun | — |
| 9 | Flawless Windows | 63 | 5.0★ (24) | Oshawa | 24/7 | — |
| 10 | LuvMyWindows Window Cleaning | 62 | 5.0★ (133) | Pickering, 8 km away | Sat · Sun · Evenings | — |
The 60 best window cleaners in Oshawa, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Ajax, 5 km away
66/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 523 Google reviews, the most in Oshawa.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pickering, 4 km away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 93 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
64/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
63/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pickering, 8 km away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Window cleaning service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Oshawa
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Window cleaning service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#19 Happy Home
Based in Ajax, 13 km away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 JR Pressure Pro
Based in Oshawa
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 32 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “Gutter Cleaning Service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pickering, 13 km away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 226 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
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 60 ranked window cleaners here; the rest are on their profiles.
Also serving Oshawa
11 more window cleaners within 24 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Able Window Cleaners | 5.0★ (1) | In Oshawa |
| Basement Waterproofing Oshawa | 5.0★ (22) | In Oshawa |
| DNS Cleaning Services | In Oshawa | |
| Empire Pest control inc | 5.0★ (6) | In Oshawa |
| Everbright Window Cleaning Inc | In Oshawa | |
| Flawless Windows | In Oshawa | |
| Gorilla Property Services | 5.0★ (1) | 18 km |
| Mr John's Cleaning Services | 16 km | |
| Mujtaba's Window Cleaning | In Oshawa | |
| Springview Window Cleaning | 5.0★ (2) | 23 km |
| wco services | 5.0★ (2) | 14 km |
How we ranked Oshawa window cleaners
We scored 60 Oshawa 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 Oshawa 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 Oshawa: frequently asked questions
Who is the best window cleaner in Oshawa?
By CR Score, the highest-ranked window cleaner in Oshawa, ON is Brightest Day Window Cleaning with a CR Score of 66/100. It has 5.0★ from 291 Google reviews. It is open 7 days a week. Mehta Brothers Window & Eaves Cleaning (#2) and DayJobs - Window Cleaning (#3) follow. We ranked 60 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in Oshawa?
ContractorsRanked ranks 60 window cleaners serving Oshawa, ON. 33 of them are based in Oshawa; the rest serve it from nearby towns. Another 11 within 24 km are listed but not ranked yet. Counts are as of November 2026.
Which window cleaners in Oshawa are open 24/7?
7 ranked window cleaners in Oshawa post 24/7 hours. The highest-ranked are DayJobs - Window Cleaning (#3), M&M Professional Window Cleaners Limited (#5) and Flawless Windows (#9). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Oshawa work on weekends?
45 of 60 ranked window cleaners post Saturday hours and 33 post Sunday hours. The highest-ranked open Saturdays are Brightest Day Window Cleaning (#1), Mehta Brothers Window & Eaves Cleaning (#2) and DayJobs - Window Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Oshawa window cleaners have?
The median Google rating among 60 rated window cleaners in Oshawa is 5.0★, with a median of 23 reviews. Mehta Brothers Window & Eaves Cleaning has the most, 523 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 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 Oshawa count in this ranking?
Yes, if they are within 24 km of the Oshawa city centre, 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 Oshawa
- November 2026: CR Scores recalculated for 60 window cleaners serving Oshawa.
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