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Best Window Cleaners in Ontario, CA (2026)

111 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Ontario: Friendly's Solar And Window Cleaning, CR Score 67/100; 5.0★ from 253 Google reviews; open 7 days a week.

  2. 4

    Best for emergencies (open 24/7): Orion Exterior Detailing LLC, posts 24/7 hours; ranked #4 of 111.

  3. 19

    Most-reviewed: Solar Express Cleaning, 308 Google reviews at 5.0★, the most of 111 ranked; ranked #19.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

111 Ontario window cleaners are ranked here by CR Score, from ten published factors. 30 are open 24/7, 98 open Saturdays and 58 open Sundays, based on posted hours. The median Google rating is 5.0★ across 111 rated businesses.

Top 10 window cleaners in Ontario at a glance

Top 10 window cleaners in Ontario at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Friendly's Solar And Window Cleaning675.0★ (253)OntarioSat · SunOverall
2Drake Services644.9★ (103)OntarioSat · Sun · Evenings—
3Transparent Solutions Window Cleaning645.0★ (85)OntarioSat · Sun · Evenings—
4Orion Exterior Detailing LLC644.9★ (39)Ontario24/7Emergencies
5Victory Wash and Windows635.0★ (151)San Bernardino, 6 mi away24/7—
6King Window Cleaning635.0★ (79)Upland, 2 mi awaySat · Sun—
7Palm Coast Solar Cleaning of Upland625.0★ (117)Upland, 6 mi awaySat · Sun—
8H&M Home Maintenance625.0★ (33)OntarioSat · Sun—
9Sunny Sweepers624.9★ (36)OntarioSat · Sun · Evenings—
10Mentha Clean624.9★ (67)OntarioSat—

The 111 best window cleaners in Ontario, 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.

  1. Based in Ontario

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “Window cleaning service”.

    • 4.9★ from 103 Google reviews
    Hours
    Mon–Sun 6 AM–12 AM
    Address
    6534 Etiwanda Ave, Mira Loma, CA 91752
  2. Based in Ontario

    62/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Window cleaning service”.

    • 4.9★ from 36 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat–Sun 9 AM–3 PM
  3. Based in Ontario

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Window cleaning service”.

    • 4.9★ from 67 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 9 AM–4 PM · Sun closed
  4. Based in Montclair, 3 mi away

    61/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Window cleaning service”.

    • 5.0★ from 35 Google reviews
    Hours
    Mon–Sun 6 AM–6 PM
    Address
    4370 Holt Blvd, Montclair, CA 91763
  5. Based in Corona, 13 mi away

    60/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Window cleaning service”.

    • 5.0★ from 67 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    250 E Harrison St, Corona, CA 92879
  6. Based in Corona, 11 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Window cleaning service”.

    • 5.0★ from 31 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1011 Cornerstone Way, Corona, CA 92878
  7. Based in Diamond Bar, 10 mi away

    58/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window cleaning service”.

    • 5.0★ from 76 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    1606 Fire Hollow Dr, Diamond Bar, CA 91765
  8. Based in Ontario

    58/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window cleaning service”.

    • 5.0★ from 11 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 8 AM–4 PM · Sun closed
    Address
    3200 E Guasti Rd #100, Ontario, CA 91761

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 111 ranked window cleaners here; the rest are on their profiles.

window cleaners in Ontario, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26SC Pro wash - window cleaning in claremont585.0★ (5)5 mi
2724HOUR MOBILE DETAIL584.9★ (41)15 mi
28A Plus View Window Cleaning & Power Washing585.0★ (9)In Ontario
29Kyle West Window Cleaning585.0★ (35)15 mi
30ProView585.0★ (8)In Ontario
31Aleph Cleaning Service585.0★ (8)In Ontario
32SoCal Solar Panel Cleaning Company585.0★ (246)7 mi
33Sapphire Window Cleaning575.0★ (13)10 mi
34St Pierre Window Cleaning575.0★ (5)In Ontario
35First Class Cleaning575.0★ (33)12 mi
36Pressurize Washing Systems575.0★ (93)4 mi
37LuxPro Cleaning575.0★ (22)8 mi
38Frank564.8★ (91)6 mi
39Transparen-See Window Washing565.0★ (7)10 mi
40Nogales Auto Glass Tinting564.7★ (54)14 mi
41AGA Cleanings565.0★ (7)11 mi
42Shimmer Shine Property Detailing565.0★ (56)6 mi
43NOVA WINDOW CLEANING565.0★ (17)8 mi
44Team Clean Window Washing565.0★ (3)3 mi
45Premier Exterior Window Cleaning565.0★ (5)10 mi
46Precision Window & Cleaning Services564.9★ (69)14 mi
47Amazing Cleaners Cleaning Service565.0★ (6)7 mi
48Faith Window Cleaning Service565.0★ (25)14 mi
49Classic Draperies565.0★ (10)6 mi
50Sunshine Windows565.0★ (217)2 mi

Also serving Ontario

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.

Unranked window cleaners serving Ontario
BusinessGoogle ratingDistance
All Clear Window Cleaning and Screen Repair5.0★ (2)In Ontario
All Done Maintenance5.0★ (2)In Ontario
All Set Surfaces5.0★ (14)In Ontario
Aloha Cleaning Services5.0★ (12)In Ontario
Blue Bubble CleaningIn Ontario
Blue Gecko Window Cleaning5.0★ (2)In Ontario
CEBM Inc5.0★ (2)In Ontario
CMAX Sanitary Services5.0★ (1,221)In Ontario
Dewey Pest & Termite Control4.8★ (244)In Ontario
Double Bubble Window Washing3.0★ (2)In Ontario
Fresh & Lovely with Amber's home service5.0★ (2)In Ontario
J & R Mobile Pressure Washing LLC5.0★ (5)In Ontario
J.M.Valdez Window and Solar Panel Cleaning5.0★ (2)In Ontario
Million-Dollar Window CleaningIn Ontario
Nexara Facility Services5.0★ (8)In Ontario
Renes Cleaning Services LLCIn Ontario
Revelation Window Cleaning5.0★ (2)In Ontario
Smart Window Solutions LLCIn Ontario
Squeegee Pro - Claremont | Window Cleaning & Pressure Washing3.0★ (2)5 mi
Winter White House Cleaners2.0★ (1)In Ontario

How we ranked Ontario window cleaners

We scored 111 Ontario 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Ontario data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window cleaners in Ontario: frequently asked questions

Who is the best window cleaner in Ontario?

By CR Score, the highest-ranked window cleaner in Ontario, CA is Friendly's Solar And Window Cleaning with a CR Score of 67/100. It has 5.0★ from 253 Google reviews. It is open 7 days a week. Drake Services (#2) and Transparent Solutions Window Cleaning (#3) follow. We ranked 111 window cleaners on ten factors, last updated November 3, 2026.

How many window cleaners are there in Ontario?

ContractorsRanked ranks 111 window cleaners serving Ontario, CA. 18 of them are based in Ontario; 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 Ontario are open 24/7?

30 ranked window cleaners in Ontario post 24/7 hours. The highest-ranked are Orion Exterior Detailing LLC (#4), Victory Wash and Windows (#5) and CA Professional Cleaning Services (#11). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which window cleaners in Ontario work on weekends?

98 of 111 ranked window cleaners post Saturday hours and 58 post Sunday hours. The highest-ranked open Saturdays are Friendly's Solar And Window Cleaning (#1), Drake Services (#2) and Transparent Solutions Window Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Ontario window cleaners have?

The median Google rating among 111 rated window cleaners in Ontario is 5.0★, with a median of 17 reviews. Solar Express Cleaning has the most, 308 reviews, and ranks #19. 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 Ontario count in this ranking?

Yes, if they are within 15 mi of the Ontario 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 Ontario

  1. November 2026: CR Scores recalculated for 111 window cleaners serving Ontario.
  2. November 2026: 5 duplicate listings merged.

More window cleaners and Ontario pages

Other trades in Ontario