4.5 
223 *The Angi rating for Window Service companies in Altamont, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
*The HomeAdvisor rating for Window Service companies in Altamont, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
Last update on October 26, 2026
Serving Altamont, NY and surrounding areas
Approved
In business since 2011
Free estimates
Credit card accepted
"Had 3 windows replaced by Window World. They were fast and courteous. Will hire again to complete replacement for remaining windows."
Serving Altamont, NY and surrounding areas
Approved
In business since 1953
Free estimates
Credit card accepted
"good, don't have windows yet"
+19
Serving Altamont, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Free estimates
Warranties offered
"A very thorough job of installation of the windows. The windows look, and feel MUCH better than Our old windows."
+20
Serving Altamont, NY and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1993
Free estimates
Warranties offered
"John and Jason arrived on time and replaced a very large picture window and a smaller window. I am very happy with the windows . They look beautiful. John and Jason were very professional and did a wonderful job. Now I am kicking myself for not replacing a few more windows!"
Serving Altamont, NY and surrounding areas
Approved
In business since 1961
Free estimates
Credit card accepted
"We had our windows since spring. Everything went as planned and the windows are incredible. Highly reccomend"
+40
Serving Altamont, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"🎵I can see clearly now🎵 Justin - professional, organized, knowledgeable, and a perfectly friendly person. He knows his “windows”, explains and answers all questions, I’d highly recommend Justin and had him put us on his 6 month calendar. So happy I used Angi’s list."
Serving Altamont, NY and surrounding areas
Approved
Super Service Award Winner
Free estimates
Emergency services offered
Warranties offered
"Excellent contractor! Very knowledgeable with simple and effective explanation. This service provider was able to successfully rebuild window trim, insulate/foam, and paint a great number of exterior windows efficiently. I definitely plan on hiring again. Great integrity and honesty with with a wide variety of skill. I've saved this company's contact information to hopefully help me do some insulation/sealing/weatherproofing in my basement."
+18
Serving Altamont, NY and surrounding areas
Approved
Super Service Award Winner
Free estimates
Customers say: True professional
"Outstanding. Joe arrived in the morning and worked the entire day. He worked both inside and outside. He installed a heater fan in the bathroom ceiling, repaired two ceiling with water damage, installed a new storm door and repaired en exterior window frame that had multiple areas that were rotting. He is easy going and hard working. I will definitely be hiring him again."
+35
Serving Altamont, NY and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"They did a great job soft washing my house and the exterior of the windows. They are friendly and professional, explaining their equipment and process when I asked."
+6
Serving Altamont, NY and surrounding areas
Approved
Super Service Award Winner
In business since 1998
Free estimates
Warranties offered
Since 1998, Adirondack Basement Systems has been the trusted local expert for basement waterproofing, foundation repair, crawl space repair, and concrete lifting throughout Upstate New York and Western Massachusetts. As a locally owned and operated company, we're proud to deliver permanent solutions backed by exceptional customer service and industry-leading products. In 2026, we were honored with the BBB Torch Award for Ethics, recognizing our commitment to integrity, professionalism, and putting our customers first. Contact us today for a free, no-obligation inspection and discover why thousands of homeowners trust Adirondack Basement Systems.
+13
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