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About
HARMONIOUS PLUMBING LLC is a fully licensed & insured plumbing company. Founded in the year 2021 by Master Plumber/Gasfitter Woodrow Richardson headquartered in New Market, MD (Frederick County), we mobilize the right people to get the job done correctly. Our Techs posses the necessary skills/knowledge to conduct full spectrum Plumbing diagnostics, Gas pipe repairs and Fixtures repairs on residential & commercial sites.
Harmonious Plumbing LLC Rated A and is Better Business Bureau Accredited.
Overview
Hired 59 times
Background checked
License verified
1 employee
5 years in business
Business hours
SunClosedMon8:00 am - 10:00 pm
Payment methods
This pro accepts payments via Cash, Credit card, and Zelle.
Top Pros are among the highest-rated, most popular professionals on Thumbtack.
2025
Credentials
License verified
Plumber & Gasfitter – Master
License state: MD
Background checked
Passed by Woodrow Richardson on Nov 12, 2024.
Services offered
Drain problem
Clogs
Slow drains
Leaks (area known)
Leaks (area unknown)
Repair urgency
I work on non-urgent repairs
I work on urgent repairs
Property type
House
Condo/Apartment
Townhouse
Business
Projects and media
Projects and media
Reviews
Customers rated this pro highly for professionalism, work quality, and responsiveness.
Exceptional 5.0
42 reviews
5
100%
4
0%
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This pro's rating is a combination of reviews posted by customers both on and off of Thumbtack. Thumbtack cannot verify external reviews.
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Durrell A.
Oct 27, 2025
•
Hired on Thumbtack
Excellent work! He quickly found the issue with my unit and fixed it the same day. He also took the time to explain what was going on, gave helpful suggestions, and even pointed out other plumbing issues I didn't know about, then fixes these too, without charging.
Very professional fast and knowledgeable. I'll definitely keep using him for my properties.
Details: No, repair is not urgent • Other issue • Gurgling sounds • Clogging • Commercial
Plumbing Drain Repair
Xiaoqiang P.
Oct 17, 2025
•
Hired on Thumbtack
My house water pressure was too high, the old PRV was broken. Woodrow replied my request promptly, and came to my house at 7:20pm, replaced with a new PRV. The work he did was great, and he’s honest and very polite, gave us a discount as we’re retirees. I highly recommended Harmonious Plumbing to anyone who needs plumbing services.
Details: Yes, repair is urgent • Only one drain has issues • Other issue • Townhouse
Plumbing Drain Repair
Joshua W.
Oct 7, 2025
•
Hired on Thumbtack
Just moved into our house and noticed some issues with drainage that needed to be addressed. Harmonious Plumbing came out the very next morning-on time, assessed the concerns,and addressed the issues on the spot. We love the work that was done and the master plumber was extremely knowledgeable, professional, pleasant, and efficient. We highly recommend harmonious plumbing for your plumbing needs!
Details: Multiple drains have issues • Slow draining • House
Plumbing Drain Repair
Dawayne J.
Oct 3, 2025
•
Hired on Thumbtack
He fixed everything and informed me of everything that was happening and why it did. He is now our plumber for future visits.
Details: No, repair is not urgent • Only one drain has issues • Clogging • Slow draining • Leaking (problem area known) • House
Plumbing Drain Repair
Shawn M.
Nov 27, 2025
•
Hired on Thumbtack
I had an outstanding experience with Harmonious Plumbing LLC. They replaced the gas line connected to my stove, and the work was done safely, efficiently, and with great care. What really impressed me was that they came out on Thanksgiving to make sure my home was safe. That level of dedication and customer service is rare and truly appreciated.
The technician was professional, knowledgeable, and respectful throughout the entire process. If you need reliable and trustworthy plumbing or gas line work, I highly recommend Harmonious Plumbing LLC. I’ll definitely use their services again!
Details: Yes, repair is urgent • Other issue • Condo/Apartment
Plumbing Drain Repair
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
$65 service charge (this is to covers thumbtek service provider charges billed to the company)
Quarterly Raffles of Fixtures, Water heaters installs, Sump pumps installs
What is your typical process for working with a new customer?
What education and/or training do you have that relates to your work?
Over 13 years working in the plumbing field. All classes and On site Trained by Local Plumber/Gasfitter Union. Master Plumber and am OSHA 30 Certified & Backflow Certified
