GTM Corp.
“They showed up on time to start the job, completed it in the time frame they gave me, did top quality work, and did an excellent job with the clean up.”
Best Siding Contractors near Smithtown, NY
We have 2 companies in Smithtown on file. Only the highest-rated make our list: one of them made it, along with 14 from towns including Holbrook (2, 9 mi), Saint James (1, 3 mi) and Nesconset (1, 5 mi).
4 open 24/7 · 13 open weekends · 14 rated 4.5+ · 5 show a license
Data verified October 18, 2026
RK Roofing & Copper Work Corp
Universal Roofing & Chimney
“Was professional with the roof repair and took care of it right away.”
Precision Home Construction
“Very professional I would recommend Precision Home Contracting anytime excellent craftsmanship they installed 4 skylights right on time like they promised definitely 5 star”
Triple H Insulation
“Triple G did an excellent presentation, they were very clear about what needed to be done to make my home more energy efficient when it came to heating.”
All Pro Remodeling Corp
“The job was done with perfection, and now my house is the most eye catching house on the block!”
Listed for homeowners in and around Smithtown, NY, these 15 companies work on exterior walls. Details about materials, color ranges and fade cover are drawn from each company's own site, and the review quotes underneath are public reviews.
Area overview: Smithtown, NY
14 of the 15 companies on this page have a rating, from 4.6 to 5.0 across 1,341 reviews; 11 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (89%), quality (89%) and responsiveness (75%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "estimates". 4 are open around the clock; 13 are open on Saturdays and 7 on Sundays. The services the companies on this page list most often on their websites are siding (3), bathroom remodeling (2), commercial roofing (2), decks (2) and gutters (2). 5 show a license on their websites; 2 list staff certifications (BPI and GAF) and 6 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 65 years. 4 offer emergency call-outs; 6 offer financing or payment plans; 10 give free estimates; 4 are family- or locally-owned and 5 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
How many of these companies publish a website?
Websites are listed for all 15 companies on this page. For wall work the site is worth opening, because photographs of finished houses in the same climate tell you more than any description. Look for jobs with the same material you are considering, and for pictures taken from close up rather than across the street.
Clearview Roofing Huntington
“They took all the proper precautions to ensure that the installation was done correctly, and they left my property clean once the job was finished.”
Long Island Construction .com
“Great job on my roof ,can't wait for the siding to get done.”
A1 Roofing
“Great selections & everyone I met with or spoke to was so professional.”
Perfect Pitch Roofing
“I always recommend Joe and his company to my clients, family, and friends.”
Arlo Roofing
“Job was right very punctual nice and clean happy the job was finished in 1 day”
Roof Pro
“Best company in long Island they did a great job in my house, they're professionals and they know what they're doing, I would highly recommend them.”
Power Group Construction Inc
“Altin, and his group were great, and did a really nice job on my roof which had flat sections and gables.”
1 MLS Consultants
“He came promptly to look at the job when he said he would and gave an estimate for a complete roof tear off and replacement, which was competitively priced.”
Good Guys Contracting
“The whole team was terrific including Dave, Brittney, Alfonso, and Jhonny plus the installation crew.”
Why these companies made our list
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