Your Trusted Partner for Roofing, Plumbing, and General Contracting in New York, NY

Welcome to Theory 3 Group, a cornerstone of New York City's construction industry. As a family-owned and operated contractor, we've built our reputation on reliability and skill for over four decades. Whether you own a historic brownstone in Brooklyn, a high-rise condo in Manhattan, or a commercial property in the Bronx, our team understands the unique demands of New York structures.

Business Overview

For 45 years, Theory 3 Group has been the go-to contractor for both urgent repairs and major projects across New York, NY. Our skilled employees are available during extended weekday and Saturday hours to handle everything from a leaking roof after a heavy Nor'easter to routine plumbing inspections. While deeply rooted in residential work, we are actively expanding our expertise to serve larger commercial and office building clients, aiming to bring our signature quality to more of the city's iconic skyline.

Key Services

We provide a full range of contracting services to keep New York homes and businesses safe and functional.

• Roofing: Installation, repair, and maintenance for all roof types, built to withstand local weather.
• Plumbing: Full-service plumbing, including detailed inspections, leak repairs, and system upgrades.
• General Contracting: Complete construction, repair, and alteration management for residential and commercial projects.

Areas Served

We proudly serve New York City and are extending our reach. Our team has direct working knowledge of homes and buildings in:

• Concord, NY
• Mount Hope, NY
• Montauk, NY

With planned expansion into Westchester and Eastern Long Island, we're growing to meet the region's construction needs.

Company History

Theory 3 Group is a third-generation company that began serving New York City over 45 years ago. Founded on the principle of "Building America," we believe in the fundamentals: a solid roof, reliable plumbing, and sound construction. We've worked on countless projects, from small apartment alterations to large upscale constructions, always adapting to the city's evolving landscape. Our story is one of steady growth, deep roots, and a genuine love for the work that keeps New York running.

Leadership

The company is now led by a young, successful entrepreneur who took over one of NYC's most respected contracting firms. Bringing fresh energy while honoring our long legacy, the owner is steering our strategic shift toward more commercial projects and geographic expansion. This hands-on leadership ensures Theory 3 Group remains deeply connected to the community and the practical realities of local construction.

Specialties & Highlights

• Family-owned and operated for three generations.
• 45+ years of continuous service in the New York area.
• Expertise in both residential and commercial contracting.
• Focus on quality construction, repair, and alteration projects.
• Expanding service area to include Westchester and Eastern Long Island.

Why Locals Choose Theory 3 Group

New Yorkers choose Theory 3 Group in New York, NY for a simple reason: proven trust. In a city where time is precious and quality is non-negotiable, our long-standing presence speaks volumes. We offer reasonable rates, timely service, and a commitment to doing the job right. From fixing a pipe in an older building to managing a complex commercial build-out, we provide the dependable skill that local homeowners and business owners rely on. When you need a contractor who knows New York, you've found one in Theory 3 Group.