Our Service

Commercial Plumbing

Commercial Heating, Cooling & Ventilation Solutions

Domco Mechanical provides commercial plumbing services for businesses, commercial properties, and industrial facilities throughout Maryland, Washington, D.C., and Northern Virginia.


Since 1998, our team has supported commercial construction, renovations, tenant build-outs, system upgrades, and existing facilities with dependable plumbing and mechanical solutions. We understand that commercial plumbing systems must support demanding daily operations while integrating properly with the other mechanical systems throughout the building.


Whether your project involves new plumbing installation, piping modifications, fixture installation, equipment connections, or a complete commercial build-out, Domco Mechanical brings decades of commercial mechanical experience to every project.

Complete Commercial Plumbing Solutions

Commercial plumbing requires careful coordination with building layouts, mechanical systems, equipment, and other construction trades.
Domco Mechanical works with general contractors, developers, property owners, facility managers, and businesses to provide plumbing solutions designed around the specific requirements of each commercial project.

Commercial Plumbing Installation

Complete plumbing installations for commercial buildings, renovations, tenant improvements, restaurants, retail spaces, industrial facilities, and new construction.

Plumbing Fixtures

Installation and replacement of commercial plumbing fixtures for restrooms, kitchens, food service areas, employee facilities, and other commercial spaces.

Water Supply & Distribution

Installation and modification of commercial water supply piping and distribution systems serving fixtures, equipment, kitchens, restrooms, and other areas throughout the property.

Commercial Piping

Installation, replacement, and modification of piping systems required to support commercial plumbing and mechanical equipment.

Drain, Waste & Vent Systems

Installation and modification of drain, waste, and vent piping for commercial properties, renovations, build-outs, and new construction projects.

Equipment Connections

Plumbing connections for commercial equipment, appliances, food service equipment, mechanical systems, and other specialized equipment requiring water supply or drainage.

Why Us

Commercial Properties We Serve

Restaurants & Food Service

Plumbing, piping, fixtures, drainage, and equipment connections for restaurants, commercial kitchens, bars, and food service facilities.

Hotels & Hospitality

Commercial plumbing solutions for hospitality properties, including restrooms, common areas, back-of-house spaces, and facility improvements.

Offices & Commercial Buildings

Plumbing installations and modifications for offices, commercial properties, restrooms, tenant spaces, and building renovations.

Retail & Tenant Spaces

Commercial plumbing for retail locations, tenant improvements, new build-outs, and renovations.

Industrial Facilities

Plumbing and piping solutions designed around the operational requirements of commercial and industrial environments.

New Construction

Complete plumbing installation and coordination for new commercial construction projects.

Planning a new commercial property, restaurant build-out, tenant improvement, plumbing renovation, or system upgrade?


Talk with Domco Mechanical about the plumbing requirements for your next project.