4.6 
2.4k+ *The Angi rating for Plumbing companies in Severn, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plumbing needs.
*The HomeAdvisor rating for Plumbing companies in Severn, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plumbing needs.
Last update on August 26, 2026
Serving Severn, MD and surrounding areas
Approved
In business since 2014
Emergency services offered
Warranties offered
"Tes is very polite and efficient. Will definitely keep his card handy for future plumbing needs"
+4
Serving Severn, MD and surrounding areas
Approved
In business since 1994
Emergency services offered
Warranties offered
"I had a plumbing issue that I thought would turn into a major headache, but Mahon Plumbing made the whole process smooth and stress-free. They arrived on time, quickly diagnosed the problem, and had it fixed before I could even make a second cup of coffee. They were professional, knowledgeable, and even gave me a few tips to avoid future issues. The pricing was fair, and there were no surprises on the bill—just great service from start to finish. If you need a plumber who knows what they’re doing and won’t leave you with a mess, I highly recommend Mahon Plumbing. I’ll definitely call them again for any future plumbing needs!"
+30
Serving Severn, MD and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"I revoke my previous F rating. The owner, Lal Bo, made a house call to apologize and explain the situation. Lal Marin was the plumber who did not show twice. Although my plumbing problems were fixed by a different company, I will reach out to Day & Night next time I have a problem."
+1
Serving Severn, MD and surrounding areas
Approved
In business since 2017
Emergency services offered
Warranties offered
"The plumber did a great job!"
Serving Severn, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Small jobs welcome
"Along with installing a new water heater, plumber also installed new upstairs showerhead, and checked faucet in kitchen and 1st floor showerhead for buildup. Plumber was friendly and willing to answer any questions/concerns that I had. Will definitely keep in mind for future plumbing issues."
Serving Severn, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Knowledgeable and affordable. I appreciate that he took the time to explain things and talk to me about pricing before proceeding. I’ve had him come back for other plumbing AND backflow checks, he may go to plumber!"
+14
Serving Severn, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2005
Free estimates
Emergency services offered
"Brian, Sam & Joe we extremely pleasant and informative. All three were pleasant and efficient. Modern Plumbing will definitely be my go to plumbers in the future."
+15
Serving Severn, MD and surrounding areas
Approved (Corporate)
In business since 1935
Free estimates
Emergency services offered
When you need an emergency plumber in Baltimore, MD or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.
+6
Serving Severn, MD and surrounding areas
Approved
In business since 1968
Free estimates
Emergency services offered
"The plumber was a forward thinker and his solution to the problems was outstanding. I don't remember his name but he is an excellent plumber. I will call on them for all future plumbing jobs and ask for him by name (which I will know by then). Jon May, Gaithersburg, MD"
Serving Severn, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"Very professional staff. Personable, knowledgeable, and efficient plumber. Excellent service. I definitely recommend this company to anyone that's in need of plumbing services."
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