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 rooftop/skylight cleaning
Clear ✕All 36 Google reviews tagged “Rooftop/skylight cleaning”
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.
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…
We have used this company for a number of years. David is the best!
They came on time and got it done very efficiently in a couple of hours
I had a great experience with this window washing company today. They were on time, professional, and extremely thorough. The team paid attention to detail and left every window spotless—honestly better than I expected. They were also respectful of my home and worked efficiently without cutting corners. It’s not…
L.A. McMahon always does an amazing job on our windows and gutters!
I have used LA McMahon for our windows for maybe, oh, 15 years and can't imagine using anyone else. They come twice a year and I always say it's my favorite 2 days of the year! I am very particular about windows, and I trust Alphonso and his crew 100% to both do a great job and take great care of the windows,…
We have been happily using LA McMahon Window Washing annually for our home for over a decade. They are reliable and professional, and anytime anyone in our neighborhood asks for a window washer referral, I always say LA McMahon!
These window washers are the best service I have used. They are efficient and get in and out quickly without sacrificing the quality of their cleaning. I have a sunroom and rarely do I find a spot they have to touch up (I look while they are continuing around the house). They also clean skylights inside and out.
I highly recommend this business! From the initial phone contact-Christine is the best!-to the scheduling, arrival on time, quality and pricing, you will be a return customer. I expressed a concern about my outside landscaping and ladders and they were extra careful and treated my home like it was their own. You will love looking out your clean windows!
We had a great experience with L.A. McMahon for window washing and gutter cleaning! They even showed me some gutters that were bent up and needed replacement. I highly recommend their services and will continue using them for all window washing and gutter cleaning needs.
Thanks to L.A. McMahon’s reliable and skilled professionals, my windows are always sparkly clean and gutters free-of-debris.
Just had my windows cleaned. Called on Wednesday and they were here on Friday. They were professional, efficient and pricing was great. They cleaned inside and outside plus got on my roof to clean my skylights. Will definitely use again and will recommend them to friends and clients as well.
Not only do they do excellent work, they are friendly and actually know what customer service means. Highly recommended.
Great service and very accommodating. Have used this company several times!
They have done a great job for us on gutter cleaning and window washing. We have used them for years and find them very reliable.
We’ve used them for years - would recommend. They are quick and they do a great job.
I've been using this company for many years. Always satisfied.
The team was efficient and responsible for surrounding areas and neat
We've used L.A. McMahon many times and have always been pleased with their work!
I have used this company many times and have been pleased with the service as well as the people who come to perform the services. They are always pleasant, respectful and professional.
A+++. On time and professional. Thanks!
Arrived on time. Very professional. Did a great job in a timely manner
We started using LA McMahon Window Washing in 2011 at the referral of two of our neighbors and haven’t used anyone else since. The office works to get you on the schedule quickly. We’re always pleased with the attention to detail, love how they clean the sills, along with their efficiency and care they take…
Have used their services for over 10 years. They have always been prompt, courteous and professional. I trust them.
Arnold was friendly, professional and very efficient in cleaning all our windows inside & out, as well as, our gutters! Fantastic job!!! This is about the 10th year I’ve had this outstanding company do this work for us! Will keep them another 10+ Years!
Highly recommend for ease of coordinating service time, punctual and courteous staff, quality job cleaning windows inside and out, screens and tracks. Fair price. Will definitely use again.
They were on time and did professional work for a reasonable cost. I would definitely recommend them.
Thorough well done job on multiple areas of the house
L.A. McMahon always has great service. Their team has washed my windows for years and is very courteous and does a great job!
We have used LA McMahon for the past 20 years. They are professional, reasonable and careful. The entire staff is friendly and extremely efficient and they are always on time. We recently had our gutters cleaned and one of our downspouts required a slight repair and they fixed it without me having to ask and they…
I've used LA McMahon for years. My windows are on the third and fourth floors of a building with tall ceilings, and every year they manage to do a great job of cleaning them. Scheduling, getting proof of insurance, communicating, and paying is easy. Mark follows up to ensure customer satisfaction.
I have been using McMahon window washing since 2018 when my daughter was married. I have 3 stories with the top story having a 2 skylights which requires a very tall ladder and which they provided with a small charge. The following year 2019 I had them do my gutters in the Fall and they did a well needed job!!!…
We have used McMahon window washing for several years in the past and have always found their service to be very good. We had a slight scheduling problem this time (because of unexpected weather conditions) which had the potential to turn into a huge problem for us. However, Mark Crane, the general manager, was…
Rating only, no written review.
Rating only, no written review.
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 | — |
