4.5 
1.3k+ *The Angi rating for Treehouse Building companies in Commack, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Treehouse Building needs.
*The HomeAdvisor rating for Treehouse Building companies in Commack, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Treehouse Building needs.
Last update on March 18, 2026
Serving Commack, NY and surrounding areas
Approved
In business since 2004
Free estimates
Customers say: Quality work
"John was awesome!! He was fastidious, skilled and reliable. He completed all the projects I had for him!! I highly recommend J.A. Garbarino Contracting, Inc."
+14
Serving Commack, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"The team was great to quality work with on our renovation. They met the timeline, stayed within budget, and kept us informed at each stage. The finish was very good . Highly recommend for anyone looking for reliable and high-quality construction work."
+6
Serving Commack, NY and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"The guys at HM construction group did an amazing job with my project! I needed my commercial space completely demoed and rebuilt. These guys got the job done on time and didnâ  t amazing job doing it. I highly recommend them."
+172
Serving Commack, NY and surrounding areas
Approved
In business since 2024
Free estimates
"We had 2 storm doors that blew off their frames and needed repair. The team from CG (Carmelo and Giancarlo) were pleasant, professional and hard working. They did a great job and I would highly recommend them. They were neat and made sure the doors worked correctly before they left."
+17
Serving Commack, NY and surrounding areas
Approved
In business since 1986
Free estimates
Customers say: True professional
"Artie & Mike are simply the best. I used them to: 1) Build a LARGE extension to my house and redo my entire kitchen and dining room. The job was completed on time and on budget. Throughout the process Artie was transparent & professional. EVERY person who has stepped into my house has complimented at the detailed perfection. 3) Artie built us a custom walk in pantry 2) Built 2 large decks in the backyard as well as an outdoor shower. This project was completed on time, on budget while exceeding all expectations. If you are looking for a contractor and crew that is responsible, responsive, polite, creative and delivers the HIGHEST LEVEL of quality - Artie is the one."
+20
Serving Commack, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2005
Free estimates
Warranties offered
"Angel came over within 1 hour to review the work. He's the most respectful contractor I've ever met. He offered to complete the handrail installation right away! His expertise was obvious as he reviewed everything thoroughly and gave us pointers on staining and sanding a wooden rail we were preparing for him to install. I plan to hire Magic Improvement to also refinish our oak flooring, paint trim work, basement, and seal our deck. I'm confident that his company will do a great job!"
+67
Serving Commack, NY and surrounding areas
Approved
In business since 1990
Free estimates
Emergency services offered
"This was a bathroom floor repair with excellent results."
+63
Serving Commack, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Warranties offered
Small jobs welcome
"Replaced a pull down stairs to the attic"
+130
Serving Commack, NY and surrounding areas
Approved
In business since 2012
Free estimates
Small jobs welcome
"A pleasure to work with. Power washed entire house painted and restored missing and broken shingles Did a great job"
Serving Commack, NY and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"Assembled my couch and bedside table. Excellent job and fair price."
+6
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