(917) 250-1242 
Expert Contracting Services Across New York City & New Jersey
At GHI-NYC, we provide complete general contracting and building restoration services across New York City and Northern New Jersey. With over four decades of hands-on experience, our team delivers dependable, long-lasting craftsmanship that homeowners and businesses can rely on.
From masonry and waterproofing to roofing and structural repair, we handle each project with professionalism, precision, and care — ensuring every detail meets our high standards for quality and safety.
Masonry & Concrete Work
At GHI-NYC, our roots are in traditional craftsmanship. We specialize in masonry and concrete work that combines strength, precision, and aesthetic appeal. Whether you need a new installation or detailed repair, our skilled masons handle every surface and structure with lasting quality in mind.
Our Masonry & Concrete Services Include:
- Cement work of all kinds
- Concrete masonry and block wall construction
- Bricklaying and restoration
- Concrete paving and repair
- Driveway, patio, and paver installation
- Retaining walls, sidewalks, and walkways
- Stairs, steps, and stone masonry construction
From small repairs to full-scale structural work, we’ve been proudly serving Manhattan, Brooklyn, Queens, the Bronx, Staten Island, Jersey City, and Hoboken with integrity since 1981.
Waterproofing & Drainage
Protecting your property from water damage is one of the most important investments you can make. GHI-NYC provides expert waterproofing and drainage solutions for homes, commercial buildings, and multi-unit properties across the greater New York area.
Our Waterproofing & Drainage Services Include:
- Comprehensive waterproofing (basement, crawl space, foundation, roof, brick, cement, stucco, and wood)
- Foundation leak and wall leak repair
- Drainage system installation and repair
- Gutter and Leader system installation and repair
- Sump pump installation and maintenance
Our proven waterproofing methods help prevent costly structural damage and mold issues, keeping your property dry, stable, and secure — year-round.
Roofing Services
Your roof is your building’s first line of defense, and GHI-NYC ensures it’s built to last. With more than 40 years of local experience, we provide durable, reliable roofing services that protect against New York’s harshest weather conditions.
Our Roofing Expertise Includes:
- Full Roof Replacement
- Roof inspection and maintenance
- Leak repair and roof sealing
- Flat and pitched roof replacement
- Skylight repair, installation, and replacement
- Flashing, Gutter and Leader Install and repair
- Waterproof roof coatings
- Vent and chimney sealing
We work with a wide range of roofing systems — including asphalt, torch-down, rubber, and modified bitumen — to deliver solutions tailored to each property. From brownstones in Brooklyn to office buildings in Manhattan, GHI-NYC provides expert roofing services trusted across all five boroughs and beyond.
Exterior Restoration & Repairs
Over time, even the most well-built structures need care. GHI-NYC offers comprehensive exterior restoration and repair services to maintain both the appearance and structural integrity of your property.
Our Restoration & Repair Services Include:
- Exterior and interior painting
- Leak detection and repair
- Roof and wall sealing
- Skylight repair and replacement
- Rotted wood repair
- Mold remediation
We focus on precision, safety, and durability — helping extend the life of your property while maintaining its beauty and value.
Additional Construction Services
As a full-service general contractor, GHI-NYC also provides a range of supporting construction and maintenance services designed to keep your property safe and functional.
Our Additional Services Include:
- Scaffolding setup and removal
- Structural maintenance and repair
- Foundation reinforcement
- Custom construction solutions
Every project is performed by experienced professionals who take pride in quality workmanship, clear communication, and reliable service — values that have defined GHI-NYC since 1981.
At GHI-NYC, every project is handled with care, professionalism, and decades of expertise. From residential waterproofing to commercial concrete restoration, our mission is to deliver results that last — and service you can trust.