Home Land Environmental
“Nick was prompt, courteous, very knowledgeable and very important, willing to explain what was involved to me as a concerned buyer.”
Best Septic Tank Services near Timonium, MD
These companies serve Timonium from nearby bases in towns including Jarrettsville, Towson and Perry Hall.
10 companies listed · 2 open 24/7 · 5 open weekends · 9 rated 4.5+ · 3 show a license
Data verified November 7, 2026
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Certified Property Inspection
“The inspector was extremely knowledgeable and walked us through the whole process as the inspection was going on.”
Chavis Septic Services
“We had them take care of our perc test, and everything went very smooth.”
Earl E Preston Jr Inc and Whiteford Septic Service
“Replaced septic system and drain fields, re-graded the land for good drainage, professional crew, and very easy to work with.”
Cossentino Septic Tank Pumping
“The work is high quality, done efficiently, and John was very knowledgeable if I had any questions or concerns, and everything was done within my budget.”
Mathena Septic Tank Services Inc
“Quick and easy scheduling, courteous staff and reasonably priced.”
The 10 companies listed for Timonium, MD pump and service existing septic systems. Hours, around-the-clock claims and free estimate offers come from each company's own website. Ask what the quoted visit includes, since opening the main lid and checking the baffles are not always part of it.
Area overview: Timonium, MD
9 of the 10 companies on this page have a rating, from 4.6 to 5.0 across 3,587 reviews; 5 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (88%), quality (84%) and responsiveness (84%). The topics that come up most in reviews of the companies on this page are "price" and "knowledge". 2 are open around the clock; 5 are open on Saturdays and 3 on Sundays. 3 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 6 websites of the companies on this page at ten or more years old; the oldest dates from 1998. 4 offer emergency call-outs; 1 offers financing or payment plans; 3 give free estimates and 6 are family- or locally-owned. We have a website on file for all 10 of the companies on this page; 8 publish a contact page; 4 list a public email and 2 take bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do pump out companies listed for Timonium work on Saturdays or Sundays?
Weekend availability shows on 5 of the 10 listings for Timonium. Routine pumping is easy to schedule on a weekday and usually cheaper, so save the weekend slot for a tank that is actually backing up. Book ahead in fall, which is when everyone remembers the job at once.
Walsh Septic Service
“They came on a Sunday and help us out, thank you for all your help.”
Jones Pump Service
“Don and his crew went above and beyond to help a fellow neighbor.”
Eagle and Son Septic
“The owner Nathan and his team are extremely knowledgeable and did a great job with our yard drainage project!”
Bel Air Septic Service
Why these companies made our list
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