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Top-Rated Sewer main clearers in Unionville - Updated Nov 2026

Avatar for Mahon Plumbing
Mahon Plumbing
4.6(
199
)
Sewer Main - Clear

Serving Unionville, MD and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"It went amazing. Paid the extra bucks for emergency service, because of our smallish waterfall, looking leak, sprouting from a bathroom pipe, enough to puddle water onto our basement/laundry room floor. Initially, spoke to Chris, who was pleasant and upfront with the per hour fees, for emergency services. He sent us Tim, who was hesitant at first, due to the location of the leak, but his experience and knowledge, enabled him to decipher the location of our leak and fix it. A quick trip to Lowes, where he promptly returned and in 90 minutes, the job was done. A week later and the valve is bone dry. Yay!!!"
Tankless water heater installation
Tankless Water Heater Installation
Commercial drain cleaning
Sewer Line Video Inspection
Water heater replacement

+30

Response time7 hrs
Response rate100%
Recommended by92%of homeowners
Avatar for Save the Day Plumbing & Drain Cleaning
Save the Day Plumbing & Drain Cleaning
4.9(
45
)
Sewer Main - Clear

Serving Unionville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"If I could give them 10 stars, I would! I am more than pleased with the service I received from Save The Day Plumbing. Roh took the time to diagnose the problem (replace shut-off valve and repair & replace with new pipe) and completely fix the issue, all in a courteous and professional manner. Honestly, he went above and beyond all expectations. Without hesitation, I would highly recommend Save The Day Plumbing with 100% confidence for any plumbing issue and, should the need arise again, will certainly be using their services in the future. Thank you Roh!"
Response time5 hrs
6 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Dave the Plumber, LLC
Dave the Plumber, LLC
4.2(
188
)
Sewer Main - Clear

Serving Unionville, MD and surrounding areas

Approved

In business since 2000

Warranties offered

Small jobs welcome

"Dave The Plumber was awesome. They replaced and upgraded my water heater with ease and no mess. I found the price the be very reasonable, too. They were very polite with great communication. I knew what was going on every step. I definitely recommend their services!"
Our work
Our work
Our work
Our work
Our work

+11

Response time6 hrs
26 neighbors recently requested a quote
Recommended by80%of homeowners
Markool Heating & Cooling, LLC
4.7(
18
)
Sewer Main - Clear

Serving Unionville, MD and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

Welcome to Markool Heating & Cooling. We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text, or email today, and let us get started!

Response time1 day
15 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
3.9(
107
)
Sewer Main - Clear

Serving Unionville, MD and surrounding areas

Approved

In business since 1949

Free estimates

Credit card accepted

"The customer service call prior to the appointment was professional. The plumber arrived on time. He provided overall inspection on what was needed. The problem was their outrageous prices. They are set in a menu-style form, which is fine, but were steep in general. I had no choice, but to hire someone else."
Water Heater 1
Water Heater 2
Water Treatment
Fixed Leak 2
Leaking Under Sink 1

+12

Response time6 hrs
13 neighbors recently requested a quote
Recommended by58%of homeowners
F.H. Furr Finksburg
4.7(
3
)
Sewer Main - Clear

Serving Unionville, MD and surrounding areas

Approved (Corporate)

Customers say: True professional

F.H. Furr provides residential products and services in the plumbing, heating, air conditioning, and electrical business. They put their customers first and provide them with quality products from trained technicians. F.H. Furr has committed to the highest degree of professional development and training in the industry, to work diligently in exceeding every expectation of the client in need. Based out of Manassas, Va., the company has expanded throughout Northern Va., Rockville, Md., Fredericksburg, and Richmond, Va. Whether you need plumbing, heating, cooling, or electrical repairs or replacements, call on F.H. Furr for "Absolutely The Best" service!

2 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for Tri-County Pump Service, Inc.
Tri-County Pump Service, Inc.
4.4(
113
)
Sewer Main - Clear

Serving Unionville, MD and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"Tri‑County Pumps delivered outstanding service. Our water went out on Saturday, and by Monday morning they had us prioritized and on the schedule. Austin and Raymond arrived before 8:30 AM, diagnosed the issue quickly, explained everything clearly, and replaced our well pump with professionalism and efficiency — even in extreme heat and on a steep hill. They were knowledgeable, respectful, and thorough. We trust Tri‑County Pumps completely and will continue using them for all future service needs. — Robert & Sonita"
Recommended by70%of homeowners
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