Plumbing Mastered
- Water Heater
- Toilet
- Warranty
1 of these contractors is based in Columbia; the others serve Columbia from towns including Baltimore (15 mi), Severn (10 mi) and Jessup (4 mi).
10 open 24/7 · 20 open weekends · 23 rated 4.5+ · 14 show a license
Data verified October 21, 2026
The 24 companies listed for Columbia, MD clear blocked drains and sewer lines. Hours, jetting and camera work, and free estimate claims come from each company's own website. Ask who carries their own jetter rather than subcontracting it before you book.

The 24 contractors on this page are rated from 4.4 to 5.0 across 6,071 reviews; all 24 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (94%), responsiveness (86%) and quality (83%). The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "efficient". 10 are open around the clock; 20 are open on Saturdays and 13 on Sundays. The services the contractors on this page list most often on their websites are water heaters (6), drain cleaning (5), bathroom plumbing (2), boilers (2) and kitchen plumbing (2). 14 show a license on their websites and 6 have a BBB rating of A or A+. Domain records put 10 websites of the contractors on this page at ten or more years old; the oldest dates from 2000. 15 offer emergency call-outs; 13 offer financing or payment plans; 8 give free estimates; 17 are family- or locally-owned and 12 list coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
A website is linked by all 24 listings for Columbia. Look for two things: whether they own a jetter and a camera or hire them in, and whether they show repair work as well as cleaning. A company that only cables will keep coming back for the same line.
- “They were super friendly and knowledgeable. They kept me informed every step of the way and made clear anything they thought might be an issue.” — customer of DYZ Plumbing
- “The company is very responsive and professional; and their work is exceptional.” — customer of Warrior Plumbing & Heating
- “They were on time for the appointment, explained everything they were doing, just a class act company.” — customer of Abend Services
- “Thorough, responsive, and efficient! I will definitely be using George for our future plumbing needs.” — customer of Ahoy Plumbing
- “Nick offered several solutions to each problem, was patient with questions about the process and always quick to respond to calls for service.” — customer of Nick's Plumbing Services
Excerpts from public reviews of the contractors listed on this page.