66/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 1,479 Google reviews, the most in Thornton.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Window Cleaners in Thornton, CO (2026)
179 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Thornton: Palmershine Window Cleaning Services, CR Score 66/100; 5.0★ from 1,479 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Summit Window Cleaning, posts 24/7 hours; ranked #2 of 179.
- 23
Most-reviewed: Sonlight Window Cleaning, 591 Google reviews at 4.9★, the most of 179 ranked after Palmershine Window Cleaning Services; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
179 Thornton window cleaners are ranked here by CR Score, from ten published factors. 21 are open 24/7, 122 open Saturdays and 63 open Sundays, based on posted hours. The median Google rating is 5.0★ across 179 rated businesses.
Top 10 window cleaners in Thornton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Palmershine Window Cleaning Services | 66 | 5.0★ (1,479) | Broomfield, 6 mi away | 24/7 | Overall |
| 2 | Summit Window Cleaning | 61 | 5.0★ (146) | Aurora, 8 mi away | 24/7 | Emergencies |
| 3 | Smitty’s Squeaky Clean Windows | 61 | 5.0★ (87) | Thornton | — | — |
| 4 | Elite Window & Cleaning Services | 61 | 5.0★ (45) | Thornton | Sat · Sun | — |
| 5 | Select Window Cleaning | 61 | 5.0★ (18) | Thornton | 24/7 | — |
| 6 | Pine Window Cleaning | 61 | 5.0★ (153) | Broomfield, 7 mi away | Sat · Sun · Evenings | — |
| 7 | Enviro-Master of Denver North | 60 | 5.0★ (388) | Denver, 3 mi away | — | — |
| 8 | Cleaning and Solutions | 60 | 4.9★ (84) | Thornton | Sat | — |
| 9 | Deja View Window Washing | 60 | 4.9★ (516) | Arvada, 7 mi away | 24/7 | — |
| 10 | THE BUCKET AND I | 59 | 5.0★ (83) | Broomfield, 6 mi away | Sat · Sun · Evenings | — |
The 179 best window cleaners in Thornton, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Aurora, 8 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 146 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thornton
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “Window cleaning service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Thornton
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thornton
61/100CR ScoreRanked #5 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 Broomfield, 7 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Denver, 3 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 388 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thornton
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arvada, 7 mi away
60/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 516 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 THE BUCKET AND I
Based in Broomfield, 6 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arvada, 5 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 399 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thornton
59/100CR ScoreRanked #12 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 Commerce City, 9 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thornton
59/100CR ScoreRanked #14 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 Arvada, 9 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 10 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thornton
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Commerce City, 6 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aurora, 2 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 78 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 Let it Shine
Based in Thornton
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thornton
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 Big League Clean
Based in Denver, 8 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Denver, 7 mi away
59/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 591 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arvada, 7 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aurora, 8 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 31 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 179 ranked window cleaners here; the rest are on their profiles.
Also serving Thornton
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 |
|---|---|---|
| ABC Cleaning Service LLC | In Thornton | |
| Anchor Janitorial | 5.0★ (1) | 8 mi |
| Apex Window Cleaning Services | 5.0★ (1) | 8 mi |
| B's Glass Services | 5.0★ (2) | In Thornton |
| BC Window Washing | 5.0★ (1) | 1 mi |
| Brilliant Window Cleaning | 5.0★ (1) | 12 mi |
| Carmona Cleaning Service | 5.0★ (1) | In Thornton |
| Centennial Window Cleaning | 5.0★ (1) | 12 mi |
| First Class Glass LLC | 5.0★ (2) | 13 mi |
| Got It Maid Cleaning LLC | In Thornton | |
| James' Window Cleaning | In Thornton | |
| New View Glass & Gutters LLC | 5.0★ (1) | 5 mi |
| PEAK PERFECTION WINDOW CLEANING P.L.L.C | 5.0★ (2) | 12 mi |
| RUG KLEEN CARPET AND WINDOW CLEANING IN JEFFERSON COUNTY | 5.0★ (1) | 1 mi |
| Scout Cleaning | 4.0★ (2) | 11 mi |
| Sparkling reflections window cleaning (Serving Denver Metro North South) | 5.0★ (2) | 4 mi |
| Sparkling Windows | 4.0★ (1) | 8 mi |
| SSS CLEANING CREW Co. | 5.0★ (2) | 13 mi |
| Wash Away USA | 5.0★ (2) | 12 mi |
| Window Smiths CO | 5.0★ (1) | 4 mi |
How we ranked Thornton window cleaners
We scored 179 Thornton 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 2, 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 Thornton 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 Thornton: frequently asked questions
Who is the best window cleaner in Thornton?
By CR Score, the highest-ranked window cleaner in Thornton, CO is Palmershine Window Cleaning Services with a CR Score of 66/100. It has 5.0★ from 1,479 Google reviews. It is open 24/7. Summit Window Cleaning (#2) and Smitty’s Squeaky Clean Windows (#3) follow. We ranked 179 window cleaners on ten factors, last updated November 2, 2026.
How many window cleaners are there in Thornton?
ContractorsRanked ranks 179 window cleaners serving Thornton, CO. 17 of them are based in Thornton; 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 Thornton are open 24/7?
21 ranked window cleaners in Thornton post 24/7 hours. The highest-ranked are Palmershine Window Cleaning Services (#1), Summit Window Cleaning (#2) and Select Window Cleaning (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Thornton work on weekends?
122 of 179 ranked window cleaners post Saturday hours and 63 post Sunday hours. The highest-ranked open Saturdays are Palmershine Window Cleaning Services (#1), Summit Window Cleaning (#2) and Elite Window & Cleaning Services (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Thornton window cleaners have?
The median Google rating among 179 rated window cleaners in Thornton is 5.0★, with a median of 19 reviews. Palmershine Window Cleaning Services has the most, 1,479 reviews, and ranks #1. 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 Thornton count in this ranking?
Yes, if they are within 15 mi of the Thornton 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 Thornton
- November 2026: CR Scores recalculated for 179 window cleaners serving Thornton.
- November 2026: 3 duplicate listings merged.
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