Plumbing Services


Medical Gas

Commercial installation of medical gas lines, including medical air, nitrous oxide, oxygen, and vaccuum lines. Specializing in dental offices, hospitals, veterinary offices, and surgical centers.

Sewer Service

Electric & jet cleaning, repair and replacement of sewer lines, and all household drains.

Water Heaters

Repair of all brands, new installations, modifications including upgrades and resizing.


Repair and installation of all brands, recommendations for upgrades to existing fixtures, and provision of new water lines.

Water and Gas Lines

Location and repair of leaks, replacement of faulty lines, installation of new lines, and rerouting.


Residential and commercial gas inspections, all attic piping, as well as interior and exterior drains.

About us

Richard L. Allen, company President, has been in business since 1984. Master Plumber License #M14517. We employ licensed plumbers, medical gas endorsed, and licensed apprentices. R L Allen Plumbing Co. Inc. has established itself as a leading and reliable provider of plumbing services for the Dallas / Ft. Worth Metroplex area. We employ knowledgeable, licensed plumbers to ensure that work is done right the first time.


We have strong, positive relationships with our vendors. These vendors are crucial to competitive pricing and timely delivery of materials — essential to keep projects under budget and delivered ahead of schedule.