64/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 194 Google reviews, the most in Portland.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Window Cleaners in Portland, ME (2026)
16 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Portland: Rich Tint, LLC, CR Score 64/100; 4.9★ from 194 Google reviews; open Saturdays until 2:30 PM.
- 2
Best for emergencies (open 24/7): Diamond Wash, posts 24/7 hours; ranked #2 of 16.
- 2
Most-reviewed: Diamond Wash, 31 Google reviews at 5.0★, the most of 16 ranked after Rich Tint, LLC; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Portland window cleaners are ranked here by CR Score, from ten published factors. 4 are open 24/7, 10 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 16 rated businesses.
Top 10 window cleaners in Portland at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rich Tint, LLC | 64 | 4.9★ (194) | Portland | Sat | Overall |
| 2 | Diamond Wash | 61 | 5.0★ (31) | Portland | 24/7 | Emergencies, Most reviews |
| 3 | HomeSmiles Greater Portland Maine | 61 | 5.0★ (28) | Westbrook, 4 mi away | 24/7 | — |
| 4 | Rise N Shine Windows | 61 | 5.0★ (25) | Portland | Sat · Sun | — |
| 5 | Two Girls & A Bucket LLC | 59 | 4.0★ (23) | South Portland, 2 mi away | 24/7 | — |
| 6 | Seaside Squeegee Boys | 59 | 5.0★ (11) | Portland | Sat · Sun | — |
| 7 | Work & Trust Cleaning Services | 58 | 5.0★ (18) | Portland | Sat | — |
| 8 | Cleaning Maine | 56 | 5.0★ (4) | Portland | Sat · Sun | — |
| 9 | Smooth Clean ME (Smooth Motion L.L.C) | 56 | 5.0★ (3) | Portland | 24/7 | — |
| 10 | Forest City Window Cleaning | 55 | 5.0★ (4) | Portland | — | — |
The 16 best window cleaners in Portland, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
#2 Diamond Wash
Based in Portland
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westbrook, 4 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Portland, 2 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.0★ from 23 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland
58/100CR ScoreRanked #7 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 Portland
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window cleaning service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Portland
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.9★ from 22 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland
53/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.2★ 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 South Portland, 3 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saco, 14 mi away
47/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 14 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saco, 14 mi away
47/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 25 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saco, 15 mi away
43/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Portland
8 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 |
|---|---|---|
| APG SERVICES | In Portland | |
| Apollo Window Washing | In Portland | |
| Coastal Pro Window Cleaning | 5.0★ (2) | In Portland |
| Dup In Shine window cleaning | In Portland | |
| Grandview Window Cleaning | 5.0★ (2) | 2 mi |
| Orkin | 4.4★ (1,006) | In Portland |
| Pristine Exterior Cleaning | 5.0★ (227) | In Portland |
| Towwer Cleaning & Services. | In Portland |
How we ranked Portland window cleaners
We scored 16 Portland 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 Portland 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 Portland: frequently asked questions
Who is the best window cleaner in Portland?
By CR Score, the highest-ranked window cleaner in Portland, ME is Rich Tint, LLC with a CR Score of 64/100. It has 4.9★ from 194 Google reviews. It is open Saturdays until 2:30 PM. Diamond Wash (#2) and HomeSmiles Greater Portland Maine (#3) follow. We ranked 16 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in Portland?
ContractorsRanked ranks 16 window cleaners serving Portland, ME. 10 of them are based in Portland; the rest serve it from nearby towns. Another 8 within 15 mi are listed but not ranked yet. Counts are as of November 2026.
Which window cleaners in Portland are open 24/7?
4 ranked window cleaners in Portland post 24/7 hours. The highest-ranked are Diamond Wash (#2), HomeSmiles Greater Portland Maine (#3) and Two Girls & A Bucket LLC (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Portland work on weekends?
10 of 16 ranked window cleaners post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Rich Tint, LLC (#1), Diamond Wash (#2) and HomeSmiles Greater Portland Maine (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Portland window cleaners have?
The median Google rating among 16 rated window cleaners in Portland is 5.0★, with a median of 16 reviews. Rich Tint, LLC has the most, 194 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 Portland count in this ranking?
Yes, if they are within 15 mi of the Portland 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 Portland
- November 2026: CR Scores recalculated for 16 window cleaners serving Portland.
- November 2026: 1 duplicate listing merged.
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