4.7 
522 *The Angi rating for Treehouse Building companies in Cos Cob, CT 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 Cos Cob, CT 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 September 17, 2024
Serving Cos Cob, CT and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"I hired the cleaners and builders for one time maid service to help clean up after construction. They were efficient and affordable ..did a great job thank you so much!"
+1817
Serving Cos Cob, CT and surrounding areas
Approved
In business since 1994
Free estimates
Customers say: Quick response
"Adam is a pleasure to work with. Great communication, excellent workmanship, and he knows his stuff. He does quality work, and makes sure the project is built strong to last."
+116
Serving Cos Cob, CT and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"A2Z Contractors helped me change the layout of an existing house extension and connect it to an unfinished lower level. A living room/kitchen combo became a bedroom and the new home of a laundry area. They installed a stairs to the lower level and finished the space by installing drywall, insulation, interior and exterior door, support beam and windows. They work started late December with a planned completion by February at the latest and they were completed by then. I was impressed that they stuck to the timeframe; and their professionalism and communication skills. Iâ ve already called on them for other asks and will continue to do so. I highly recommend working with A2Z Contractors LLC. I am enjoying my space!"
+5
Serving Cos Cob, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Emergency services offered
"Great job! Super quick and efficient."
+232
Serving Cos Cob, CT and surrounding areas
Approved
In business since 2025
Free estimates
Small jobs welcome
"Fixed my kitchen lazy Susan door"
+15
Serving Cos Cob, CT and surrounding areas
Approved
In business since 1997
Free estimates
Emergency services offered
"I had a variety of small handyman projects - replacing doorknobs, patching holes, fixing molding, etc. the guys were very polite, professional, and knowledgeable. They took off their shoes to enter the hose, and did a great job, and kept me informed the whole time. I would definitely recommend them and hire them again!"
+7
Serving Cos Cob, CT and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"Noel and his staff were punctual, meticulous, and took care of all of my concerns during the course of my project. I am pleased with the finished product and will use Jarrett Home Improvement again."
+3
Serving Cos Cob, CT and surrounding areas
Approved
In business since 2010
Free estimates
Customers say: Quick response
"Elvin, the owner of the company is reliable, knowledgeable (he knew what questions to ask) and professional. He was personable and did a great job at a fair rate. I would recommend him for any future project. Hire him, you will not be sorry."
Serving Cos Cob, CT and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"Not an easy job to hang a picture over a spiral staircase!"
Serving Cos Cob, CT and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Did a most admirable job with the with the existing parts I was able to salvage for putting the shelves that had fallen down back up."
+17
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