60/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 253 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in Glendora, CA (2026)
71 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Glendora: Friendly's Solar And Window Cleaning, CR Score 60/100; 5.0★ from 253 Google reviews; open 7 days a week.
- 6
Best for emergencies (open 24/7): AGA Cleanings, posts 24/7 hours; ranked #6 of 71.
- 30
Most-reviewed: Big Wave Window, 357 Google reviews at 4.8★, the most of 71 ranked; ranked #30.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
71 Glendora window cleaners are ranked here by CR Score, from ten published factors. 20 are open 24/7, 61 open Saturdays and 41 open Sundays, based on posted hours. The median Google rating is 5.0★ across 71 rated businesses.
Top 10 window cleaners in Glendora at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Friendly's Solar And Window Cleaning | 60 | 5.0★ (253) | Ontario, 14 mi away | Sat · Sun | Overall |
| 2 | Palm Coast Solar Cleaning of Upland | 60 | 5.0★ (117) | Upland, 12 mi away | Sat · Sun | — |
| 3 | King Window Cleaning | 59 | 5.0★ (79) | Upland, 12 mi away | Sat · Sun | — |
| 4 | Nogales Auto Glass Tinting | 59 | 4.7★ (54) | Walnut, 8 mi away | Sat · Sun | — |
| 5 | Maricela's House Cleaning | 58 | 4.9★ (33) | Azusa, 3 mi away | Sat | — |
| 6 | AGA Cleanings | 58 | 5.0★ (7) | Vista, 5 mi away | 24/7 | Emergencies |
| 7 | Jasper's Window Cleaning | 58 | 5.0★ (128) | Arcadia, 11 mi away | 24/7 | — |
| 8 | Premier Exterior Window Cleaning | 58 | 5.0★ (5) | Baldwin Park, 4 mi away | 24/7 | — |
| 9 | Q Shine Services | 58 | 5.0★ (76) | Diamond Bar, 10 mi away | Sat · Evenings | — |
| 10 | KnockOutCleaners | 58 | 5.0★ (35) | Montclair, 10 mi away | Sat · Sun | — |
The 71 best window cleaners in Glendora, 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 Upland, 12 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 117 Google reviews, listed on Google as “Window cleaning service”.
Based in Upland, 12 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Window cleaning service”.
Based in Walnut, 8 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 54 Google reviews, listed on Google as “Window cleaning service”.
Based in Azusa, 3 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Window cleaning service”.
Based in Vista, 5 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Window cleaning service”.
Based in Arcadia, 11 mi away
58/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 128 Google reviews.
Based in Baldwin Park, 4 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window cleaning service”.
Based in Diamond Bar, 10 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window cleaning service”.
#10 KnockOutCleaners
Based in Montclair, 10 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Window cleaning service”.
Based in Baldwin Park, 7 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Window cleaning service”.
Based in La Verne, 6 mi away
57/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 246 Google reviews.
Based in Walnut, 8 mi away
57/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 229 Google reviews.
Based in San Bernardino, 5 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window cleaning service”.
#15 Window Sharks
Based in Koreatown, 5 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window cleaning service”.
Based in San Dimas, 4 mi away
57/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 72 Google reviews.
#17 Window Broz
Based in Redondo Beach, 5 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Window cleaning service”.
Based in Norwalk, 11 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Window cleaning service”.
Based in Azusa, 10 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Window cleaning service”.
Based in San Dimas, 4 mi away
57/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 52 Google reviews.
#21 LuxPro Cleaning
Based in Baldwin Park, 7 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Window cleaning service”.
Based in Redondo Beach, 10 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Window cleaning service”.
Based in Baldwin Park, 12 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Window cleaning service”.
Based in Baldwin Park, 4 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window cleaning service”.
Based in Chino, 12 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.2★ from 21 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 71 ranked window cleaners here; the rest are on their profiles.
Also serving Glendora
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 |
|---|---|---|
| Arc Window Cleaners | 5.0★ (2) | 8 mi |
| B K Window Cleaning | 5.0★ (2) | 5 mi |
| Clear Vue Window Washing and Solar Cleaning | In Glendora | |
| DMS Window Cleaning | 4.5★ (2) | 5 mi |
| Double Bubble Window Washing | 3.0★ (2) | 13 mi |
| Dutch Cleaning & Maintenance Service | 5.0★ (1) | 5 mi |
| External Gloss | 5.0★ (1) | 12 mi |
| J & J Janitorial Services | 5.0★ (1) | In Glendora |
| John's Window Painting | 5.0★ (1) | 9 mi |
| LC Cleaning Services INC | 5.0★ (1) | 5 mi |
| MasterCorp | 4.0★ (1) | 8 mi |
| Palm Coast Solar Cleaning | In Glendora | |
| Positive Property Solutions | 5.0★ (1) | 6 mi |
| Pro Clean Maids of Pomona/Covina | 5.0★ (2) | 3 mi |
| Revelation Window Cleaning | 5.0★ (1) | 8 mi |
| Se thru window cleaning | 5.0★ (1) | In Glendora |
| Squeegee Pro - Claremont | Window Cleaning & Pressure Washing | 3.0★ (2) | 9 mi |
| Time To Shine Window Washing | 1.0★ (1) | 11 mi |
| West Window Cleaning Service - Commercial and Residential | 5.0★ (1) | 11 mi |
| Winstons Window Cleaning & Maintance | 5.0★ (1) | In Glendora |
How we ranked Glendora window cleaners
We scored 71 Glendora 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 Glendora 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 Glendora: frequently asked questions
Who is the best window cleaner in Glendora?
By CR Score, the highest-ranked window cleaner in Glendora, CA is Friendly's Solar And Window Cleaning with a CR Score of 60/100. It has 5.0★ from 253 Google reviews. It is open 7 days a week. Palm Coast Solar Cleaning of Upland (#2) and King Window Cleaning (#3) follow. We ranked 71 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in Glendora?
ContractorsRanked ranks 71 window cleaners serving Glendora, CA. 2 of them are based in Glendora; 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 Glendora are open 24/7?
20 ranked window cleaners in Glendora post 24/7 hours. The highest-ranked are AGA Cleanings (#6), Jasper's Window Cleaning (#7) and Premier Exterior Window Cleaning (#8). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Glendora work on weekends?
61 of 71 ranked window cleaners post Saturday hours and 41 post Sunday hours. The highest-ranked open Saturdays are Friendly's Solar And Window Cleaning (#1), Palm Coast Solar Cleaning of Upland (#2) and King Window Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Glendora window cleaners have?
The median Google rating among 71 rated window cleaners in Glendora is 5.0★, with a median of 21 reviews. Big Wave Window has the most, 357 reviews, and ranks #30. 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 Glendora count in this ranking?
Yes, if they are within 15 mi of the Glendora 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 Glendora
- November 2026: CR Scores recalculated for 71 window cleaners serving Glendora.
- November 2026: 2 duplicate listings merged.
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