58/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in St. Charles, MD (2026)
10 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in St. Charles: Lilis Cleaning Service Inc., CR Score 58/100; 5.0★ from 92 Google reviews; open Saturdays until 5 PM.
- 6
Best for emergencies (open 24/7): Service Kings, posts 24/7 hours; ranked #6 of 10.
- 5
Most-reviewed: Marry Poppins Cleaning Service, 202 Google reviews at 4.7★, the most of 10 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 St. Charles window cleaners are ranked here by CR Score, from ten published factors. 2 are open 24/7, 10 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 5.0★ across 10 rated businesses.
Top 10 window cleaners in St. Charles at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Lilis Cleaning Service Inc. | 58 | 5.0★ (92) | Alexandria, 14 mi away | Sat | Overall |
| 2 | Jaimora cleaning service | 57 | 5.0★ (3) | Waldorf, 2 mi away | Sat · Sun · Evenings | — |
| 3 | E W Pressure Washing | 56 | 5.0★ (27) | St. Charles | Sat · Sun · Evenings | — |
| 4 | Scout Window Cleaning LLC | 56 | 5.0★ (42) | Alexandria, 14 mi away | Sat | — |
| 5 | Marry Poppins Cleaning Service | 55 | 4.7★ (202) | Fort Washington, 10 mi away | Sat · Sun | Most reviews |
| 6 | Service Kings | 52 | 5.0★ (32) | Mount Vernon, 15 mi away | 24/7 | Emergencies |
| 7 | Streaker's Cleaning | 52 | 5.0★ (28) | Chesapeake Ranch Estates, 14 mi away | 24/7 | — |
| 8 | A&C Service | 51 | 4.8★ (6) | Oxon Hill, 13 mi away | Sat | — |
| 9 | Just On Time Clean & Shiny | 51 | 5.0★ (41) | Fort Washington, 10 mi away | Sat | — |
| 10 | SplashDuck Pressure Washing LLC | 47 | 5.0★ (14) | Brandywine, 14 mi away | Sat | — |
The 10 best window cleaners in St. Charles, 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 Waldorf, 2 mi away
57/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Charles
56/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 27 Google reviews.
Based in Alexandria, 14 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Window cleaning service”.
Based in Fort Washington, 10 mi away
55/100CR ScoreRanked #5 because of its Google rating and review volume: 4.7★ from 202 Google reviews, the most in St. Charles.
Based in Mount Vernon, 15 mi away
52/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 32 Google reviews.
Based in Chesapeake Ranch Estates, 14 mi away
52/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 28 Google reviews.
#8 A&C Service
Based in Oxon Hill, 13 mi away
51/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Window cleaning service”.
Based in Fort Washington, 10 mi away
51/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 41 Google reviews.
Based in Brandywine, 14 mi away
47/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 14 Google reviews.
Also serving St. Charles
3 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 |
|---|---|---|
| 360 Services | 6 mi | |
| Knock The Dust | 1 mi | |
| Wngert's Cleaning Service, LLC | 5.0★ (1) | 12 mi |
How we ranked St. Charles window cleaners
We scored 10 St. Charles 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 St. Charles 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 St. Charles: frequently asked questions
Who is the best window cleaner in St. Charles?
By CR Score, the highest-ranked window cleaner in St. Charles, MD is Lilis Cleaning Service Inc. with a CR Score of 58/100. It has 5.0★ from 92 Google reviews. It is open Saturdays until 5 PM. Jaimora cleaning service (#2) and E W Pressure Washing (#3) follow. We ranked 10 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in St. Charles?
ContractorsRanked ranks 10 window cleaners serving St. Charles, MD. 1 of them is based in St. Charles; the rest serve it from nearby towns. Another 3 within 15 mi are listed but not ranked yet. Counts are as of November 2026.
Which window cleaners in St. Charles are open 24/7?
2 ranked window cleaners in St. Charles post 24/7 hours. The highest-ranked are Service Kings (#6) and Streaker's Cleaning (#7). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in St. Charles work on weekends?
10 of 10 ranked window cleaners post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Lilis Cleaning Service Inc. (#1), Jaimora cleaning service (#2) and E W Pressure Washing (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do St. Charles window cleaners have?
The median Google rating among 10 rated window cleaners in St. Charles is 5.0★, with a median of 30 reviews. Marry Poppins Cleaning Service has the most, 202 reviews, and ranks #5. 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 St. Charles count in this ranking?
Yes, if they are within 15 mi of the St. Charles 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 St. Charles
- November 2026: CR Scores recalculated for 10 window cleaners serving St. Charles.
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