L.A. McMahon Window Washing, Inc. logo

L.A. McMahon Window Washing, Inc.

Window cleaning service · Justice, IL · reviewed since 2014

How 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.99SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#43 of 167 window cleaning servicesPosition by Experts Score among all companies we track in this category. · better than 75%
5.0 ★★★★★ 923 Google reviews · 24 photos
99%five-star reviews
4.98★last 12 monthsAverage stars on reviews from the last 12 months only.
0%1–2★ in 2 yearsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
100%reviews answered by the owner
Oct 2026latest review

L.A. McMahon Window Washing, Inc. at a glance

Google reviewers rate the business five stars based on nine hundred twenty-three reviews, with the owner responding to all feedback. Customers frequently cite punctuality, thoroughness, and professional communication as key strengths for window, gutter, and skylight cleaning services. While most praise the reliable scheduling and friendly staff, a minority of lower-rated comments highlight unclear pricing details and limited scope regarding specific hardware removals.

  • Google rating: 5.0 out of 5 from 923 reviews (99% five-star).
  • Reviews on this page: 922 Google reviews (860 with written comments, 11 with photos).
  • Owner responses: the business replied to 100% of reviews.
  • Most recent review: October 21, 2026.
  • Service: Window Cleaner serving Justice, Illinois.

Data from Google, last updated October 27, 2026.

Score profile vs other window cleaning services

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: reliability and craft & service; weakest: satisfaction.

Satisfaction98Reliability100Craft & service100Value100Momentum100Replies to reviews100Satisfaction: 98 (median 97)Reliability: 100 (median 97)Craft & service: 100 (median 99)Value: 100 (median 100)Momentum: 100 (median 100)Replies to reviews: 100 (median 85)
This companyWindow Cleaning Services median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-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.L.A. McMahon Window Washing, Inc.: 98/100 on this factor. Category median: 97.A
98
ReliabilityReliability · 24% of the scoreHow 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.L.A. McMahon Window Washing, Inc.: 100/100 on this factor. Category median: 97.A
100
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle 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.L.A. McMahon Window Washing, Inc.: 100/100 on this factor. Category median: 99.A
100
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.L.A. McMahon Window Washing, Inc.: 100/100 on this factor. Category median: 100.A
100
MomentumMomentum · penalty only, up to −10 pointsPenalises 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.L.A. McMahon Window Washing, Inc.: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow 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.L.A. McMahon Window Washing, Inc.: 100/100 on this factor. Category median: 85.A
100

Bar = this company · dark tick = category median.

Star ratings

922 Google reviews we collected

  • 5 stars90999%
  • 4 stars111%
  • 3 stars10%
  • 2 stars00%
  • 1 star10%

Praise vs complaints

Phrases our text analysis found in 860 written reviews

  • Praise1,77299%
  • Complaints101%

PriceGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Price verdicts customers left with their Google review

  • Great price4432%
  • Reasonable8965%
  • Overpriced00%
  • Not sure32%

Topic share

How often each topic comes up in the written reviews

  • Quality & results48527%
  • Speed & response39022%
  • Staff & attitude38722%
  • Would recommend26815%
  • Price & value1368%
  • Honesty & trust714%
  • Communication453%

What customers talk about

We read 860 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “McMahon for window and gutter cleaning and they do great work — reliable, thorough, and easy to schedule with.”
    “I was so embarrassed and felt horrible that I wasted their time.”
  • “They confirmed my appointment quickly and added exterior light fixture cleaning to the visit.”
  • “Great company to work with very professional and friendly.”
  • “I would recommend them for any and all services they provide.”
    “Bottom line I would not recommend this to anyone!”
  • “They have always been competitively priced and extremely reliable.”
  • “They do excellent work, are professional, trustworthy, and dependable.”
  • “Easy to reach the company to set up or change appointments, staff is very friendly and competent.”
    “And we have high gutters and a few windows that a hard to reach.”

People customers mention

  • Mark 17 reviews

praise complaint · found by our text analysis, Google review wording unchanged.

Reviews for your job

Customers hired L.A. McMahon Window Washing, Inc. for 6 kinds of job. Pick one to see what they paid and said.

Recent reviews

Brian3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 days ago★★★★★

Great company to work with very professional and friendly. The best company around to keep your windows and house clean.

Reasonable priceInterior & exterior window cleaning
Mary8 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a week ago★★★★★

McMahon widow does a great job. They are very thorough and professional. I can't believe how great my windows looked after they cleaned them. I highly recommend! Great pick me up to your home.

Great priceWindow washing
Patricia8 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a week ago★★★★

The company did not share complete details of what is done and for what price. My sister gifted me clean windows, sills, and screen. So I really did not now. Everyone is kind and helpful but need to pell it out a littl better

Christine1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 weeks ago★★★★★

Have used L.A. McMahon for window and gutter cleaning and they do great work — reliable, thorough, and easy to schedule with. They confirmed my appointment quickly and added exterior light fixture cleaning to the visit. Highly recommend

Reasonable priceInterior & exterior window cleaning
Kathleen2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 weeks ago★★★★★

The crew of 2 were very courteous and professional. They went above and beyond and removed a window air conditioner that was in one the windows.

Great priceInterior & exterior window cleaning
Katrina9 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 weeks ago★★★★★

Had my windows & gutters done. The cleaners arrived on time and did a great job. I would use them again.

Photos

Customer reviews

5.0 ★★★★★ 923 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Jobs customers hired them for — from Google's service tags and the review text
Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
Brian Wojciechowski3 reviewsTotal number of Google reviews Brian has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great company to work with very professional and friendly. The best company around to keep your windows and house clean.

  • Price assessment: Reasonable price
  • Services: Interior & exterior window cleaning
Mary Willis8 reviewsTotal number of Google reviews Mary has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

McMahon widow does a great job. They are very thorough and professional. I can't believe how great my windows looked after they cleaned them. I highly recommend! Great pick me up to your home.

  • Price assessment: Great price
  • Services: Window washing
Patricia Scott8 reviewsTotal number of Google reviews Patricia has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

The company did not share complete details of what is done and for what price. My sister gifted me clean windows, sills, and screen. So I really did not now. Everyone is kind and helpful but need to pell it out a littl better

Christine Thornburg1 reviewTotal number of Google reviews Christine has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Have used L.A. McMahon for window and gutter cleaning and they do great work — reliable, thorough, and easy to schedule with. They confirmed my appointment quickly and added exterior light fixture cleaning to the visit. Highly recommend

  • Price assessment: Reasonable price
  • Services: Interior & exterior window cleaning
Response from the owner · 2 weeks ago

Thank you so much for your business and for taking the time to post this wonderful review; we truly appreciate it and look forward to working with you again!

Timothy Berger3 reviewsTotal number of Google reviews Timothy has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

First time user and the crew was professional and friendly. A great experience.

  • Price assessment: Reasonable price
  • Services: Interior & exterior window cleaning
Response from the owner · a year ago

Thank you Timothy for this 5 star review! We look forward to working with you again.

Kathleen Rogers2 reviewsTotal number of Google reviews Kathleen has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

The crew of 2 were very courteous and professional. They went above and beyond and removed a window air conditioner that was in one the windows.

  • Price assessment: Great price
  • Services: Interior & exterior window cleaning
Response from the owner · 3 weeks ago

Thank you, Kathleen, for the five-star review! We’re glad you were happy with the price and found our crew courteous and professional. We’ll be sure to pass along your kind words—and they’ll be pleased to know you appreciated the extra help with the window air conditioner. Thanks for choosing us for your window cleaning!

Katrina Savage9 reviewsTotal number of Google reviews Katrina has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Had my windows & gutters done. The cleaners arrived on time and did a great job. I would use them again.

Response from the owner · 3 weeks ago

Thank you so much, Katrina, for your kind review! We truly appreciate your support and for helping our small business grow. We’re so glad you were happy with our work!

Patricia Freeland5 reviewsTotal number of Google reviews Patricia has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I'm been McMahon for the longest and they always do a SPECTACULAR job. They always arrive on time and leave my home spotless.

  • Price assessment: Reasonable price
  • Services: Gutter cleaning, Window washing
Response from the owner · 3 weeks ago

Thank you, Patricia! It means so much to us that you’ve trusted us for so long. We really appreciate your support and are grateful for your kind words!

Jason Bay3 reviewsTotal number of Google reviews Jason has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Crew was top notch, fast and professional. I’ve used them for years and you can’t beat the quality of work or price.

  • Price assessment: Great price
  • Services: Interior & exterior window cleaning
Response from the owner · 4 weeks ago

Thank you, Jason! We really appreciate your continued support over the years and are glad to hear our crew continues to deliver fast, professional service at a great price. We look forward to taking care of your windows again!

Linda Voelker3 reviewsTotal number of Google reviews Linda has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

The cleaners arrived on time and went right to work. They were careful and did a great job. I would use them again.

  • Price assessment: Reasonable price
  • Services: Interior & exterior window cleaning
Response from the owner · 4 weeks ago

Thank you, Linda! We’re so glad you were happy with the service and that our team arrived on time and took great care of your home. We truly appreciate your kind words and look forward to working with you again!

L.A. McMahon Window Washing, Inc. on Google Maps →

Business details