#1
L.A. McMahon Window Washing, Inc.
“Great company to work with very professional and friendly. The best company around to keep your windows and house clean.” — Google review
Experts Reviews · 2026 Ratings
The Best Window Cleaning Services in Justice, IL
We graded 6 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
$253typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
99%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.93★average ratingPlain average of every Google star rating we collected for these companies.
1%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
From 40,694 Google reviews of 167 top-rated window cleaning services nationwide; 6 of them in Justice, IL. Updated November 3, 2026.
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Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of window cleaning services).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Superior Windows and GuttersJustice, IL | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%99+58.1Reliability 26%98+25.6Value 15%100+15.2Craft & service penalty99−0.1Experts Score= 99Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | — |
| 2 | L.A. McMahon Window Washing, Inc.Justice, IL | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%98+53.5Reliability 24%100+24.2Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 99Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.98 | — |
| 3 |  Amote Cleaning ServicesJustice, IL | A 97How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%98+53.5Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%79+5.6Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.96 | — |
| 4 |  Itasca Window CleaningJustice, IL | A 92How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%96+52.4Reliability 24%94+22.8Value 14%100+14.1Replies to reviews 7%50+3.5Craft & service penalty90−1Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.95 | — |
| 5 |  Squeegee Clean Windows LLCJustice, IL | A 82How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%80+43.6Reliability 24%71+17.2Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty99−0.1Experts Score= 82Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAA | 4.82 | — |
| 6 |  Ascent Building ServiceJustice, IL | B 67How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%66+36Reliability 24%55+13.3Value 14%100+14.1Replies to reviews 7%58+4.1Craft & service penalty98−0.2Experts Score= 67Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCAAAC | 4.57 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| Interior & exterior window cleaning | $176 | $321 | $421 | 99% |
| Standard cleaning | $139 | $176 | $214 | 97% |
| Deep clean | $221 | $277 | $327 | 99% |
| General housekeeping | $139 | $173 | $214 | 98% |
| Moving-related cleaning | $259 | $303 | $342 | 97% |
| General carpet cleaning | $173 | $251 | $356 | 100% |
| HVAC duct & vent cleaning | $450 | $585 | $684 | 92% |
Window Cleaning Services in Justice, IL at a glance
How the 6 window cleaning services we rated in Justice, IL compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A583%
- Grade B117%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up467%
- 4.80–4.89★117%
- 4.60–4.79★00%
- Below 4.60★117%
What customers praise
Share of Google review highlights.
- Quality8,61423%
- Professionalism8,84223%
- Responsiveness7,18219%
- Punctuality6,86318%
- Value6,66017%
Was the price fair?
All price verdicts left with reviews.
- Great price2,13434%
- Reasonable3,80061%
- Overpriced701%
- Not sure1833%
Price verdicts by year
Share calling it great / reasonable / overpriced.
2025
2026
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 7 best-rated window cleaning services in Justice, IL average 4.9★ on Google across 1,514 reviews. L.A. McMahon Window Washing, Inc. has the top rating (5.0★). Updated October 27, 2026.
7 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (1,514 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Itasca Window Cleaning
“If you ever need your windows cleaned, this is the place to call. The owners are great at communicating. The employees are polite, respectful, thorough and do a great job. The price is reasonable for what they do.…” — Google review
#3
Amote Cleaning Services
“Olga is great with scheduling and communication. Edgar cleaned our windows and did a FABULOUS job!! We’ve used Amote for a few years now and we’re always happy. Price is extremely fair too.” — Google review
#4
Superior Windows and Gutters
“I am so grateful to have found this business. Excellent cleaning service. I had my skylight cleaned inside and out. Sparkling clean glass and so neatly done. Exterior windows cleaned also and so clean. Ed was…” — Google review
#5
Top Janitorial Commercial Cleaning
“Got three quotes for our warehouse office cleaning and they were in the middle on price but the walk-through with the most thorough started service about two months ago weekly schedule they’ve been on time every…” — Google review
#6
Squeegee Clean Windows LLC
“So glad I ran into Mike when he was working on a neighbors home. He came by my home a few hours later and gave me a quote. I accepted and the appointment was set for 4 days later. He and Anthony showed up promptly…” — Google review
#7
Ascent Building Service
“Ascent Building Service of Chicago provided professional interior window cleaning with detailed work, such as cleaning the sills and providing tips on maintaining the freshly cleaned appearance. A very fine company.” — Google review
How we pick window cleaning services in Justice
We scan Google Maps for window cleaner listings in and around Justice, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated window cleaner in Justice?
L.A. McMahon Window Washing, Inc. has the highest Google rating on our Justice list: 5.0 out of 5 from 923 reviews (as of October 27, 2026).
Which window cleaner in Justice has the most reviews?
L.A. McMahon Window Washing, Inc. has the most Google reviews among the companies listed here: 923, with a 5.0★ average.
How are these window cleaning services chosen?
Only open Justice-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in Justice: Occupational Therapy Clinics