65/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 606 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in O'Fallon, MO (2026)
39 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in O'Fallon: Major League Pressure Washing, CR Score 65/100; 5.0★ from 606 Google reviews; open 24/7.
- 13
Best for emergencies (open 24/7): Show Me State Pressure & Softwashing, posts 24/7 hours; ranked #13 of 39.
- 14
Most-reviewed: Castellan Pro Wash, 730 Google reviews at 4.8★, the most of 39 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 O'Fallon window cleaners are ranked here by CR Score, from ten published factors. 5 are open 24/7, 25 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 5.0★ across 39 rated businesses.
Top 10 window cleaners in O'Fallon at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Major League Pressure Washing | 65 | 5.0★ (606) | Wentzville, 8 mi away | 24/7 | Overall |
| 2 | Powerhouse Exterior Cleaning | 64 | 5.0★ (143) | O'Fallon | Sat · Sun · Evenings | — |
| 3 | HIVE Window Cleaning & Pressure Washing | 63 | 5.0★ (71) | O'Fallon | Sat · Sun · Evenings | — |
| 4 | Window Genie of Chesterfield | 62 | 4.9★ (542) | Chesterfield, 10 mi away | Sat · Sun · Evenings | — |
| 5 | Bull Wash Exterior Cleaning | 62 | 5.0★ (96) | O'Fallon | Sat · Evenings | — |
| 6 | All Pro Pressure Washing and Window Cleaning | 61 | 4.9★ (73) | O'Fallon | Sat | — |
| 7 | Fish Window Cleaning | 60 | 4.9★ (149) | O'Fallon | — | — |
| 8 | Soft Wash Elite | 60 | 5.0★ (121) | Wentzville, 9 mi away | Sat · Sun · Evenings | — |
| 9 | Savage Powerwashing Plus, LLC | 59 | 5.0★ (63) | O'Fallon | — | — |
| 10 | Clear Views Window Cleaning | 58 | 5.0★ (7) | O'Fallon | Sat · Sun | — |
The 39 best window cleaners in O'Fallon, 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 O'Fallon
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “Window cleaning service”.
Based in Chesterfield, 10 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 542 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 149 Google reviews, listed on Google as “Window cleaning service”.
Based in Wentzville, 9 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Window cleaning service”.
Based in Wentzville, 6 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 5.0★ from 125 Google reviews.
Based in O'Fallon
56/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 730 Google reviews, the most in O'Fallon.
Based in Saint Charles, 9 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 14 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Window cleaning service”.
#18 MidWest SoftWash
Based in O'Fallon
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Window cleaning service”.
Based in Saint Charles, 10 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 86 Google reviews, listed on Google as “Window cleaning service”.
Based in Chesterfield, 11 mi away
54/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 671 Google reviews.
Based in O'Fallon
54/100CR ScoreRanked #22 because of its Google rating and availability: 4.3★ from 12 Google reviews, open 24/7.
Based in Wentzville, 12 mi away
54/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 222 Google reviews.
Based in Wentzville, 7 mi away
53/100CR ScoreRanked #24 because of its Google rating and review volume: 5.0★ from 168 Google reviews.
Based in Florissant, 10 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window cleaning service”.
All 39 window cleaners
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | MidWest SoftWash | 52 | 4.9★ (230) | 10 mi |
| 27 | Clarity Exterior Cleaning LLC. | 52 | 5.0★ (41) | 5 mi |
| 28 | Bright Box Pressure Washing | 51 | 5.0★ (314) | 11 mi |
| 29 | Ambassador Residential Services of St. Charles | 51 | 5.0★ (4) | 7 mi |
| 30 | Sunny Day Exterior Services | 51 | 4.9★ (33) | 10 mi |
| 31 | STL Window Cleaners | 50 | 5.0★ (14) | 13 mi |
| 32 | Window-Brite | 50 | 4.8★ (94) | 10 mi |
| 33 | Two Men and A Ladder | 50 | 5.0★ (19) | 9 mi |
| 34 | New Level Exterior Cleaning | 50 | 5.0★ (20) | 10 mi |
| 35 | Maximum Pressure LLC | 50 | 5.0★ (44) | 10 mi |
| 36 | Bright Bear Window Works | 49 | 5.0★ (47) | 8 mi |
| 37 | Heartland Homes Remodeling & Roofing | 48 | 5.0★ (28) | 6 mi |
| 38 | Dang! Cleaning Service | 47 | 5.0★ (12) | 14 mi |
| 39 | Wall 2 Wall Cleaning Services | 44 | 4.8★ (13) | 13 mi |
Also serving O'Fallon
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 |
|---|---|---|
| Ambassador Window Cleaning | 5.0★ (2) | In O'Fallon |
| Anderson Soft Wash LLC | 5.0★ (46) | In O'Fallon |
| Antimite | 4.7★ (3) | In O'Fallon |
| BPS Cleaning Services | 4 mi | |
| BrightHouse Exterior Wash | 5.0★ (1) | 15 mi |
| Burgard Pressure & Softwash | 5.0★ (15) | In O'Fallon |
| Clean Earth Powerwash LLC. | In O'Fallon | |
| Clear Home Window Cleaning | 5.0★ (2) | 13 mi |
| Clear View Plus | 4 mi | |
| Exterior Cleaning Solutions STL | 5.0★ (218) | In O'Fallon |
| Finishing Touches Window Cleaning & General Contracting | 5.0★ (2) | In O'Fallon |
| Glow Cleaning | In O'Fallon | |
| Heartland Service Solutions LLC | In O'Fallon | |
| L'Squeegee LLC | In O'Fallon | |
| MTO Clean - Maid Service | 5.0★ (2) | In O'Fallon |
| Platinum Pro Wash | 4.9★ (15) | In O'Fallon |
| Sheen Clean | In O'Fallon | |
| Sheen Clean Window Cleaning | In O'Fallon | |
| SHINE BRIGHT WINDOW CLEANING | 5.0★ (1) | 12 mi |
| Steen's Power Washing | 5.0★ (262) | In O'Fallon |
How we ranked O'Fallon window cleaners
We scored 39 O'Fallon 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 O'Fallon 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 O'Fallon: frequently asked questions
Who is the best window cleaner in O'Fallon?
By CR Score, the highest-ranked window cleaner in O'Fallon, MO is Major League Pressure Washing with a CR Score of 65/100. It has 5.0★ from 606 Google reviews. It is open 24/7. Powerhouse Exterior Cleaning (#2) and HIVE Window Cleaning & Pressure Washing (#3) follow. We ranked 39 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in O'Fallon?
ContractorsRanked ranks 39 window cleaners serving O'Fallon, MO. 14 of them are based in O'Fallon; 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 O'Fallon are open 24/7?
5 ranked window cleaners in O'Fallon post 24/7 hours. The highest-ranked are Major League Pressure Washing (#1), Show Me State Pressure & Softwashing (#13) and Maid 4 Janitorial (#17). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in O'Fallon work on weekends?
25 of 39 ranked window cleaners post Saturday hours and 13 post Sunday hours. The highest-ranked open Saturdays are Major League Pressure Washing (#1), Powerhouse Exterior Cleaning (#2) and HIVE Window Cleaning & Pressure Washing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do O'Fallon window cleaners have?
The median Google rating among 39 rated window cleaners in O'Fallon is 5.0★, with a median of 47 reviews. Castellan Pro Wash has the most, 730 reviews, and ranks #14. 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 O'Fallon count in this ranking?
Yes, if they are within 15 mi of the O'Fallon 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 O'Fallon
- November 2026: CR Scores recalculated for 39 window cleaners serving O'Fallon.
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