About Us
About Keystone Building Solutions & Co
Two decades of NYC-rooted building experience — proudly serving clients throughout the Northeast.
A name New York builds with.
Keystone Building Solutions & Co was founded on a simple promise: do the work right, the first time, and stand behind it. From restoring NYC brownstones to waterproofing flat roofs across the Northeast, we bring the same crew, standards and written guarantee to every project.
Every project — large or small — gets the same attention to detail, the same uniformed in-house crew, and the same written guarantee. That's the Keystone standard.
Our Standards
What you can expect from Keystone.
Licensed & Insured
Fully licensed, insured and bonded in New York State.
In-House Crews
Our own trained team — never subcontracted out.
Workmanship Guarantee
Written guarantee on every project we deliver.
Five-Borough Coverage
Brooklyn, Queens, Bronx, Manhattan and Staten Island.
Ready to build?
Schedule a professional consultation today.
Speak with a Keystone project specialist — most consultations scheduled within 48 hours.