Established in 2010 as a Certified Business Enterprise (CBE), the company qualifies as both a Local Business Enterprise (LBE) and Small Business Enterprise (SBE). With over five decades of experience in the plumbing industry, spanning from Greece to Washington D.C., Sigma Plumbing prides itself on delivering excellent customer service and professional work.
Sigma Plumbing Mechanical Contractors LLC specializes in commercial and residential new construction and renovations. Their services include interior plumbing, exterior site utilities, and underground utilities. They handle installation of pipes, risers, fixtures, equipment, backflow prevention devices, booster pumps, water heaters, drains, sump pumps, basins, ejector systems, gas booster systems, meter vaults, water main replacements, and service laterals.
Sigma Plumbing works with general contractors, developers, construction managers, and other clients on projects ranging from individual homes to apartment communities, restaurants, schools, community centers, office buildings, and more. They strive to be a multi-trade contractor, helping their clients by handling multiple aspects of plumbing and site utilities.
The company states that it is a Washington DC CBE Certified Business Enterprise since 2010, qualifying as both an LBE and SBE.
Contact and location
- Address
- 2625 Connecticut Avenue Northwest, Washington, DC 20008
- Website
- sigmaplumbing.com
Services listed
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