About Company

Mainline Plumbing and Heating is a Plumber located at 1 301-768-6251.

Mainline Plumbing and Heating is a family owned plumbing company, founded on the principles of excellence, empowerment, and integrity. We provide residential, commercial, and remodeling plumbing services. We specialize in repiping, sump/well pump repairs/replacement, water treatment, and boilers. Our mission is to take care of all your plumbing needs, while also providing the right information to better assist you going forward. It is your right to know how your plumbing works. We want to eliminate the stress that comes with plumbing troubles and give you the resources to decide whats best for your home or investment. We offer virtual consultations and same day service. Call us today for a free estimate!

Request for Company Deletion or Modification