*The Angi rating for Treehouse Building companies in Harmony, RI 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 Harmony, RI 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 May 22, 2026
Serving Harmony, RI and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Custom Construction did an awesome job on my bathroom remodel. From start to finish everything was smooth and Derek always made sure everything was exactly how I wanted. Highly recommend hiring custom construction for all your home remodel needs!"
+245
Serving Harmony, RI and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Very professional. Arrived on time to install a garage door opener. I had a chicken coop that needed to be assembled and he agreed when this wasn’t what he was hired for. Not only that but he replaced a rotted broken door on another chicken coop! I would definitely recommend Better Dayz!"
+54
Serving Harmony, RI and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Scott was timely, professional, and provided a great quality of service. He provided a fair estimate and charged a reasonable rate as well. I would hire him again for any job around the property."
+84
Serving Harmony, RI and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Would highly recommend par holdings to anyone that needs electrical work done. They handled everything from the permit to calling the town inspector. Dennis sr and Dennis Jr were both wonderful to deal with. Had the work done on time, on budget, and no stress. I highly recommend their company for anything that you might need."
+2
Serving Harmony, RI and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"I highly recommend this company for your job. They did a great job. They were very courteous, professional and expedient from start to finish!"
+4
Serving Harmony, RI and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"Excellent ,excellent. First of all , they came with another man , They arrived at my house on time. Materials and equipment were ready to go. They work and cleaned up afterwards. Very efficient. I'm already planning on hiring him again."
Serving Harmony, RI and surrounding areas
Approved
Emergency services offered
Warranties offered
Credit card accepted
"They did a fantastic job replacing some rotten molding around my back door. They replaced multiple boards on my back deck and stained my deck with two coats of stain. In addition they painted my back door inside and out. They completed all the work in less than a week. I would highly recommend Christine at Poseidon contacting."
+8
Serving Harmony, RI and surrounding areas
Approved
"Absolutely amazing. Great work, arrived on time, price was fair for services rendered. Cleaned up after the project. Will 100% work with them again."
+44
Serving Harmony, RI and surrounding areas
Approved
In business since 1993
Small jobs welcome
Customers say: Quick response
"You can rely on him to do good work and keep to his estimate"
+32
Serving Harmony, RI and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"The owner of this business is hard working man who gets the job with no mistakes. He fixes what is needed and will make sure that everything is how itâ s supposed to be. Definitely would recommend him if you need any type of electrical work done."
+1
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