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Trusted Mechanical & Plumbing Solutions for Government & Institutional Projects

ADD Mechanical. is a New York–based mechanical contractor with more than 25 years of experience delivering high-quality plumbing and mechanical systems for complex, large-scale construction projects. Qualified as a Small Business under the U.S. SBA, we provide federal, state, and municipal agencies with dependable, compliant, and cost-effective contracting support.

We bring proven expertise in design-build, new construction, and infrastructure upgrades, with a strong track record across schools, assisted living facilities, government housing, and mixed-use public facilities.

GSA Schedule Holder

MAS #: 47QSMS24D00C1

HUBZone & SBA Small Business
Certified & NYC Licensed
BIM-Ready & Design-Build Capable
GSA Schedule Holder

MAS #: 47QSMS24D00C1

HUBZone & SBA Small Business
Certified & NYC Licensed
BIM-Ready & Design-Build Capable

What We Do

Full-Service Plumbing & Mechanical Contracting

ADD Mechanical provides complete design, installation, and integration of mechanical and plumbing systems for government and institutionalenvironments, including:

New Construction Plumbing

For multi-family, mixed-use, and institutional buildings

Design-Build Mechanical Systems

Supported by in-house engineering and project management

Tenant Improvements & Interior Buildouts

Tailored to agency requirements

Upgrades to Commercial & Public Infrastructure

Including kitchens, fitness facilities, and public-facing service areas

Federal & Institutional Project Delivery

Compliant with Davis-Bacon, OSHA, NYC DOB, and government contracting standards

Expert Team

Our team includes licensed plumbers, journeymen, civil engineers, and safety professionals experienced in schedule-driven, multi-phase construction.

Certified & Qualified

Government Contracting Advantages

Trusted certifications and partnerships that streamline federal procurement

Tenant Improvements & Interior Buildouts
  • MAS Contract 47QSMS24DOOC1
  • Special Item Number (SIN): 561210FAC

Offering streamlined procurement pathways for federal buyers.

HUBZone + SBA Small Business

Eligible for small-business set-asides and competitive procurement opportunities.

Union-Certified & NYC Licensed

Ensuring complete compliance with local, state, and federal codes and regulations.

BIM Ready + Preconstruction Focused

Modern modeling tools, trade coordination, and proactive planning reduce risks, delays, and change orders.

Project History

Past Performance

Proven track record delivering complex mechanical and plumbing projects on time and to specification

510 Driggs Ave
  • Brooklyn, NY

Scop: Full mechanical and plumbing systems for a new 44-unit, 8-story luxury residential development with integrated commercial space.

60 Harrison Ave
  • Brooklyn, NY

Scop: Complete design/build plumbing and infrastructure buildout for a large 6-story school facility.

103 Liberty Ave
  • Brooklyn, NY

Scop: Mechanical and plumbing systems for a 9-story residential apartment development.

3801 Ft. Hamilton
  • Brooklyn, NY

Scop: Ground-up construction of a 6-story school building and catering hall, including full plumbing, HVAC systems, and infrastructure.

Why Government Agencies Should Choose ADD Mechanical

25+ Years of Proven Experience delivering large-scale mechanical and plumbing systems

Design-Build & Plan/Spec Expertise with full in-house engineering and project management

On-Time Delivery on schedule-driven, multi-phase projects in dense urban environments

Federal & Institutional Readiness, including deep knowledge of compliance standards

Scalable Workforce capable of supporting small to major multi-building projects

Hands-On Leadership ensuring quality, accountability, and responsive communication

Strong GC Partnerships based on transparency, reliability, and craftsmanship

Quick Solutions

Ready to Partner With Us?

Let’s discuss how ADD Mechanical can support your next federal, state, or municipal project.

Address
134 Evergreen Ave, Brooklyn, NY 11206