Delivering a customer and quality driven service experience

Leveraging experience and the latest technology

Plumbing Service

Contractors and building personnel throughout the Washington metro area have placed their confidence in RM Thornton Service for their plumbing expertise, timely attention to detail, and seamless project management delivery.  As a result, RM Thornton has built strong long-term relationships with its customers and a reputation for excellence.


We are experts in:

  • Backflow Installation/Certification
  • Water Purification & Filtration System Installation
  • Grease Trap Installation
  • Gas Piping Repairs/Installation
  • Sewer Ejector Pump Repairs/Replacement
  • Domestic Water Booster Pump Repairs/Replacement
  • Water & Sewer Main Repairs/Replacement
  • Water Jetting (Hydro Flushing)
  • Fire Hydrant Repairs/Installation
  • Electric Sewer and Drain Cleaning
  • TV (CCTV) Camera Pipeline Inspection
  • Line Locating
  • Sump Pumps
  • Water Heaters
  • Tenant Build Out