Concrete Flatwork
Slabs that drain right, finish flat, and stay flat under load.
- Driveways, sidewalks, patios
- Garage and basement floors
- Warehouse and industrial slabs
- Decorative finishes
Rockland County, NY
Concrete that holds New York up.
Two generations of pours, from Rockland out to the five boroughs, Long Island, and the Hudson Valley. Bonded, NY-licensed, and on the clock when we say we are.
Bonded · NY-licensed · GL + workers comp on file
20+
Years in business
2,400+
Projects completed
5
Boroughs served
24/7
Project response
Licensed & insured
Fully licensed in New York with active general liability and workers comp. Paperwork in your inbox before the truck rolls.
Built to last
We don't shortcut the mix or the cure. Concrete spec'd for the load, the climate, and the next ten winters.
On schedule
Crews show when we say. If a pour slips, you hear it from us first, with a fix and a new date.
How we work
Three steps from first call to final walkthrough.
No mystery, no runaround. Estimate, schedule, pour. The same sequence on a driveway as on a 10,000 square foot commercial slab.
01
Estimate
We come to the site, walk the work, and scope it honestly. You get a written number with a clear timeline, no boilerplate, no surprise line items after the pour.
02
Schedule
We sequence around your other trades, weather windows, and inspection dates. Owned crews and equipment mean we hold the slot we promised.
03
Pour & sign-off
Pour day runs tight. Forms checked, mix verified, finishes worked by hand. We mind the cure, then walk the slab with you before we call it done.
Services
Four trades. One crew. One number to call.
From a single residential pour to a multi-phase commercial site, the same family runs the job from estimate to final inspection. No subbing out the parts that count.
Foundations
Footings to frost walls. Square, level, ready for the first floor.
- Footings and frost walls
- Foundation walls, slab-on-grade
- ICF and poured walls
- Underpinning, waterproofing prep
CMU & Masonry
Block walls engineers and inspectors sign off on the first walkthrough.
- Block and retaining walls
- Foundation block, elevator shafts
- Fire-rated assemblies
- Reinforced and grouted CMU
Sitework & Hardscape
Where the building ends and the street begins. Done right, you forget it's there.
- Steps, stoops, retaining walls
- Curbs, gutters, ADA ramps
- Loading docks, pads, footings
- Site detailing and finishes
Recent work
Jobs we wrapped up this season.
A snapshot of recent pours across the five boroughs, Long Island, and up the Hudson Valley. Different scopes, same crew on the deck from layout to final broom.
Flatwork
12,500 sf warehouse slab
Maspeth, Queens · 2024
Foundations
320 lf strip footings, mixed-use shell
New Rochelle, Westchester · 2024
CMU
9 ft reinforced block retaining wall
Yonkers, Westchester · 2023
Sitework
ADA ramp run and curb replacement, 240 lf
Mount Vernon, Westchester · 2025
Flatwork
4,200 sf rear-yard patio and pool deck
Garden City, Nassau County · 2025
Foundations
16-unit multi-family basement and frost walls
Newburgh, Orange County · 2024
Service Area
From the Bronx to the Adirondacks.
Rockland County is home base. We’ve poured in every borough, every Long Island county, and the upstate runs other crews won’t take. If you’re inside New York, we’re in range.
Region
Five Boroughs
- Manhattan
- Brooklyn
- Queens
- The Bronx
- Staten Island
Region
Long Island
- Nassau County
- Suffolk County
- The Hamptons
- North Shore
- South Shore
Region
Hudson Valley
- Rockland
- Westchester
- Orange
- Putnam
- Dutchess
Region
Upstate NY
- Ulster County
- Albany Capital Region
- Catskills
- Saratoga
- Adirondacks
Our approach
Two decades pouring concrete that holds up.
Mastro Brothers is family-run out of Rockland County. We came up on New York jobs and we still run every project the same way: scoped honestly, scheduled tight, finished by hand. Residential, commercial, municipal. Same crew, same standard.
They poured 8,400 square feet in a single shift. Clean, level, and on time.
Estimate landed on time. Crew showed up on time. Final walk-through took fifteen minutes.
Three projects in two years. They're the only concrete sub I don't have to babysit.
01
Communication
One point of contact from estimate to final inspection. You hear about delays before they cost you a day on the schedule.
02
Speed
Tight crews, owned equipment, pours sequenced around your other trades. We move when the schedule says go.
03
Craftsmanship
Square walls, true edges, finishes that read clean under direct light. Twenty years of muscle memory in every yard.
Contact
Pour with the pros.
Tell us what you’re building. Same business day, you’ll have a real number, a real schedule, and a crew who’s poured it before.
- Phone
- 845-521-6502
- Hours
- Mon to Sat, 7am to 6pm
- Headquarters
- Rockland County, NY
24/7 emergency response available