Licensed & Insured Plumbing Professionals
At Zo Plumbing & Drain Cleaning, we are committed to providing safe, code-compliant plumbing services backed by the proper licensing and insurance required to serve homeowners and businesses throughout Maryland.
Our Licenses
Why Hiring a Licensed Plumber Matters
Not every plumbing company operates with the same level of professionalism. Hiring a licensed plumber helps ensure your plumbing work is completed according to Maryland plumbing codes and industry standards.
Choosing a licensed and insured plumbing company provides peace of mind by helping protect your home, your investment, and the quality of the work being performed.
Our Plumbing Licenses
Maryland Master Plumber License #70599
WSSC (Washington Suburban Sanitary Commission) #73911
For more information on licensing and insurance, please email info@zoplumbing.com
Plumbing FAQs in Frederick & Montgomery County, MD
Answers to common plumbing, drain cleaning, and sewer repair questions in Frederick & Montgomery County, MD.
Is Zo Plumbing licensed in Maryland?
Yes. Zo Plumbing & Drain Cleaning is licensed to perform plumbing work in Maryland. Our license information is listed above.
Is Zo Plumbing insured?
Yes. Zo Plumbing & Drain Cleaning is a licensed and insured plumbing company serving Frederick County and Montgomery County, MD. Refer to the bottom of our site for LIC details.
Why should I hire a licensed plumber?
Licensed plumbers are trained to perform plumbing work in accordance with plumbing codes and safety standards. Hiring a licensed and insured plumbing company helps reduce the risk of improper installations, costly repairs, and potential liability. Many homeowners insurance policies may have specific requirements or limitations regarding repairs performed by unlicensed contractors, so working with a properly licensed and insured plumber can help provide greater peace of mind.
Do you offer emergency plumbing services?
Yes. We provide emergency plumbing services for urgent issues such as burst pipes, sewer backups, water heater failures, overflowing toilets, and other plumbing emergencies. Same-day appointments are available whenever possible.
See More Reviews From Customers
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“Great technician! Came by same day and gave me an honest assessment of my issue.”
Andrea M
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“We had a broken electrical water heater. Chris was very responsive, professional, and quick to help.”
Calliope H
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Very quick to pull my permit with the county and work to fix all issues needed. My go-to plumber from now on!"
Kiran Sandhu
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![Zo Plumbing and drain cleaning water heater service review]()
As business owners, we value working with licensed and insured plumbers, and Chris and his team delivered professionally.
Shreyesh S
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“I have never heard of Zo plumbing before but now after using them I think I found my forever plumber.”
Jon M
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![Zo plumbing and drain cleaning customer review]()
"Knowing that they're fully licensed and insured makes them even more trustworthy. Awesome job, guys!"
Wondwosen Terefe
Need a Licensed & Insured Plumber in Frederick & Montgomery County, MD?
We’re here to help with emergency plumbing, drain cleaning, sewer repair, and water heater services. Contact your trusted local plumber today for fast, reliable service.