experiencing problems
with your plumbing?

API is your solution

Associates Plumbing, Inc. has focused on providing honest, professional, and reliable service to our customers for over 40 years. Incorporated in 1982, API has an office located in Columbia, MD to effectively deliver long-term, cost-effective plumbing solutions to multifamily and commercial property clients throughout Maryland, DC, and Virginia. 


about Associates Plumbing, Inc.

Incorporated in 1982, Associates Plumbing, Inc. has been serving commercial customers in Maryland, DC, and Northern Virginia for over four decades, specializing in the property management industry. 

Our Mission, developed by the founding partners, has always been to provide Honest, Professional, and Reliable service to 100% of our customers, 100% of the time. Offering 24-hour Emergency Service has helped us achieve this goal and, as a result, API has been trusted by some of the largest property management companies in the DMV area to meet their plumbing needs.

Choose the Plumbing experts


professional and knowledgeable service

our customers always come first

Throughout our company we take pride in being the most professional and knowledgeable in the industry and providing our customers with the highest quality service possible. Furthermore, we go to great lengths to research and identify state-of-the-art technologies which are necessary to stay abreast of an ever-changing industry. This investment helps us provide the best possible service for our customers and stay ahead of our competition.

The API team believes our customers always come first; and to serve them better, we have to know them better. Our long-standing membership and active participation in associations like PMA (Property Management Association), IREM (Institute of Real Estate Management), and MMHA (Maryland Multi-Housing Association) provide an open window of understanding into your world, and helps us live our “Customer First“ motto on a daily basis.