Who We Are
About
J&S Waterproofing, LLC is a Brooklyn based waterproofing, restoration, and construction firm with over four decades of experience working on residential, commerical, and historic buildings. Since 1985, we have partnered with owners, architects, engineers, and property managers to deliver durable, technically sound solutions tailored to the unique demands of NYC structures.
Our work spans waterproofing systems, masonry and facade restoration, structural rerpairs, and exterior building maintenance. We approach every project with careful planning, clear communication, and a commitment to long-term performance; not just temporary fixes.
From landmark restorations to modern developments, our focus is always the same: protecting buildings and the people who rely on them.
Construction of J&S Waterproofing headquarters, Brooklyn, NY
Our Services
Waterproofing Systems
Long-Term Protection
We design and install comprehensive waterproofing systems to protect buildings from water intrusion and structural deterioration. Our approach prioritizes durability, proper detailing, and compatibility with existing building conditions to ensure long-term performance.
Facade & Masonry Restoration
Expert Installations
Our facade and masonry services include restoration, repair, and replacement of brick, stone, and related materials. We work on both historic and contemporary structures, maintaining architectural integrity while meeting modern safety and performance standards.
Structural & Exterior Repairs
Safe, Sound Construction
Regular maintenance is key to preventing costly plumbing issues. We offer comprehensive maintenance services to keep your plumbing in top condition, including inspections, cleaning, and proactive repairs.
Building Maintenance & Compliance
Preventative, Proactive Care
Ongoing maintenance is essential to extending the life of a building. We offer preventative maintenance programs, inspections, and compliance-related services to help owners and property managers address issues early and avoid costly emergency repairs.
Leadership Perspective
"We work closely with owners, architects, engineers, and industry professionals to stay current on the most effective materials and methods. This commitment ensures every project is built for long-term performance. "
- Joseph Birnbach, Founder
"Good communication and preparation are essential to a smooth project. Clear coordination at every stage is how we deliver consistent results."
- Katherine Birnbach, CEO
"Every project depends on disciplined coordination between our team and our clients. Structured planning and regular oversight ensure nothing is missed."
- Herve Philippe, Partner
Why Choose Us
Owner-Led, In-House Execution
Every project is overseen on site by ownership, experienced foremen, and an in-house project coordinator. All work is completed by our dedicated internal team, ensuring accountability, consistency, and clear communication from start to finish.
Safety, Compliance & NYC Expertise
We are fully insured and bonded, with comprehensive site safety plans in place. Our team has decades of experience meeting NYC regulations, including Local Law 11/98, prioritizing the safety of residents, pedestrians, and job sites.
Five Zero Vision: Quality Without Compromise
Our Five Zero defines how we work: zero environmental incidents, zero worksite accidents, zero defects, zero loss-making projects, and zero compromise on quality. Every decision is made with long-term performance in mind.