Our Reviews DEDICATED, RELIABLE, AFFORDABLE. Tri-County is the team to turn to when seeking the best in plumbing services, repair, and installation. We respond quickly and commit ourselves to getting the job done right every time. Don’t wait! Call us today at (301) 432-0330 Get A Quote Home Contact Form Name * Email * Phone * Service needed? * Service needed?Well Systems or Well PumpsWater Treatment or Water Filtration SystemsSeptic Systems or Septic PumpingPlumbing Services Address * How did you hear about us?GoogleBingYahooOnline AdBillboardMagazine AdReferral Messsge Captcha Submit If you are human, leave this field blank.