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.99SCOREL.A. McMahon Window Washing, Inc.
Justice, IL · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #43Position by Experts Score among all companies we track in this category. of 167 window cleaning services · 5.0★ from 923 Google reviews
Report card
Percentile vs other window cleaning services (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.
Reviews for your job
Customers hired L.A. McMahon Window Washing, Inc. for 6 kinds of job.
L.A. McMahon Window Washing, Inc. for interior & exterior window cleaning
Clear ✕All 292 Google reviews tagged “Interior & exterior window cleaning” · showing 20
Great company to work with very professional and friendly. The best company around to keep your windows and house clean.
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
First time user and the crew was professional and friendly. A great experience.
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.
Crew was top notch, fast and professional. I’ve used them for years and you can’t beat the quality of work or price.
The cleaners arrived on time and went right to work. They were careful and did a great job. I would use them again.
Always on time. Friendly and respectful. Do an excellent job. Been using for 10+ years
The team has always shown up on time and done a fine job. Easy to reach the company to set up or change appointments, staff is very friendly and competent.
Excellent work and the workers were very professional and friendly.
Excellent service. Speedy appointment with timing according to my schedule. Quiet, efficient workers. Not all companies will include skylights. Very satisfied.
They have always been very prompt, courteous. And thorough. My windows look great on completion!!
The crew (1 Inside, 1 Outside) did a great job cleaning and washing the windows, screens, and window sills. The job was done quickly and efficiently. We are going to call McMahon late fall t(after leaves are down) to price out gutters and skylight cleaning. Five stars are well deserved. TMS
The team was courteous, helpful and patient with our dog while washing many large windows inside and out. They were quick yet thorough, even in 95* heat!
I have been using LA McMahon Windows for many, many years. They have cleaned my gutters, windows and skylights. What I love is their personal service. I have spoken with Mark and Christine in the office and they are able to quickly look up my past orders and replicate that service with a great crew. They have been…
Excited to try window and gutter cleaning as a first time customer. Christine, who I spoke with on the phone was very professional and knowledgeable. Company has great reviews and reputation.
Very efficient and streak free
Nice service!
L.A. McMahon has cleaned my windows for many years. Due to that, the person I use primarily is very familiar with the screens that need to be removed with care, as well as the removable panes, in order to wash the interior windows. I’ve used them to power wash my garage also. L.A. McMahon is the only company I use because they do not disappoint.
Great communication and job! Also a pleasure to work with you.
We have used L.A. McMahon for many years and have always been pleased with their service. They do excellent work, are professional, trustworthy, and dependable. It's hard to find a company you can count on year after year, and they have consistently delivered. Highly recommend!
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Price
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Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Interior & exterior window cleaning | 292 | $176–$421 |
| Window washing | 179 | — |
| Gutter cleaning | 133 | — |
| Rooftop/skylight cleaning | 36 | — |
| Power/pressure washing | 27 | — |
| Glass & mirror cleaning | 13 | — |
