Keystone Building Solutions & Co
Built on craftsmanship. Backed by guarantee.
Masonry, roofing, waterproofing, kitchen renovations, fencing and violation removal — based in NYC, serving the Northeast. Licensed, insured and bonded, with 0% financing for qualified clients.
What We Do
Full-service building solutions
One licensed team for every trade your property needs — based in NYC, serving the Northeast.
Masonry & Brickwork
Brick laying, block work, stone restoration and structural repair built to last.
Explore masonry & brickworkPointing & Tuckpointing
Restore the integrity and curb appeal of aging brick facades.
Explore pointing & tuckpointingStucco & Exterior
Traditional and modern stucco systems, crack repair, and full re-coats.
Explore stucco & exteriorSidewalks & Driveways
DOT-compliant concrete sidewalks, driveways, steps and curbs.
Explore sidewalks & drivewaysRoofing & Waterproofing
Flat and pitched roofing, coatings, and full waterproofing systems.
Explore roofing & waterproofingKitchen Renovations
Full interior kitchen renovations for NYC apartments and brownstones.
Explore kitchen renovationsFence Installation
Iron, aluminum, wood and chain-link fencing — installed to last.
Explore fence installationWhy Keystone
A name property owners trust across the Northeast.
From a single brownstone repoint in Brooklyn to a full commercial roof restoration across the Northeast, we treat every job with the same standard — built right, finished clean, guaranteed in writing.
- Fully licensed, insured and bonded NYC contractor
- In-house crews — never subbed out
- Written workmanship guarantee on every project
- Transparent, itemized pricing — no surprises
- 0% financing & flexible payment plans for qualified clients
Start Now · Pay Later
0% Financing & Flexible Payment Plans
Don't wait on the work your property needs. Qualified clients can break the cost into easy monthly payments — interest-free — and get the crew started right away.
- Soft credit check — no impact
- Pre-qualify in minutes
- Start work immediately
Recent Work
A portfolio you can stand on.
Brownstone facades, hand-laid brick, poured driveways and rubber roofs — every project finished to the Keystone standard.
Façade Restoration
Brownstone repoint & stoop rebuild
Brooklyn, NY
Masonry
New brick wall — laid by hand
Manhattan, NY
Roofing
EPDM rubber roof install
Lower East Side, NY
Kitchen Renovation
Modern Manhattan apartment kitchen
Manhattan, NY
Kitchen Renovation
Brownstone kitchen — navy & brass
Brooklyn, NY
Fencing
Cedar privacy fence — paver patio
Long Island, NY
Concrete
Poured concrete driveway
Queens, NY
Fencing
Horizontal panel fence — backyard
Nassau County, NY
Sidewalks
DOT-compliant sidewalk pour
Harlem, NY
Paving
Sealed asphalt driveway
Staten Island, NY
How We Work
A simple, transparent process
On-Site Consultation
We visit, assess the scope, and outline the path forward.
Transparent Proposal
Itemized scope, materials and pricing in writing.
Expert Build
Uniformed, trained crews with daily site updates.
Guaranteed Finish
Walk-through, clean-up, and our written workmanship guarantee.
Client Stories
Trusted by homeowners and property managers across NYC
"Keystone repointed our entire brownstone façade and rebuilt the front steps. Beautiful work, on time, and the crew was polite every single day."
"They cleared a DOB sidewalk violation we'd been fighting for a year. Poured a clean new sidewalk in one day. Couldn't recommend them more."
"Our flat roof was leaking for years. Keystone waterproofed it properly and we haven't had a drop since. The 0% financing made it easy."
Ready to build?
Schedule a professional consultation today.
Speak with a Keystone project specialist — most consultations scheduled within 48 hours.