28 verified septic companies across 16 cities in Baltimore County. Compare ratings, services, and request free quotes from local providers.
Baltimore County, Maryland is home to a mix of established suburban neighborhoods and older rural communities, many of which rely on private septic systems rather than public sewer connections. This directory lists 28 verified septic companies serving 16 cities and towns across the county, giving property owners a straightforward way to find local service providers. Baltimore County's varied terrain—ranging from the rolling Piedmont uplands in the north to the lower-lying areas near the Chesapeake Bay watershed in the east—affects soil drainage characteristics and influences the types of septic systems commonly found here. Older housing stock in communities like Essex and Rosedale may include aging conventional systems that require more frequent attention. Whether a homeowner needs routine pumping, a pre-sale inspection, or a full system replacement, this directory covers providers across the county's diverse residential landscape.
Rosedale, MD
⭐ 5.0 (13 reviews)
At Electric Eel Sewer & Drain Cleaning in Baltimore, Maryland, we are drain-cleaning contractors who can clean out and open up almost any drain without digging thanks to our powerful Electric Eel.
White Marsh, MD
⭐ 5.0 (1 reviews)
At Electric Eel Sewer & Drain Cleaning in Baltimore, Maryland, we are drain-cleaning contractors who can clean out and open up almost any drain without digging thanks to our powerful Electric Eel.
Dundalk, MD
⭐ 4.9 (641 reviews)
Roto-Rooter is your trusted sewer specialist in Dalton, TN. Contact us today to learn more about our team and the service we provide!
Rosedale, MD
⭐ 4.9 (21 reviews)
Identify water damage signs in LA. Call Kryndex Guard at (213) 752-7163 for 24/7 restoration services
Windsor Mill, MD
⭐ 4.8 (4638 reviews)
Need AC repair in Albuquerque? Horizon HVAC provides reliable air conditioning diagnostics and repair with honest recommendations and quality workmanship. Call 505-HORIZON today.
Essex, MD
⭐ 4.8 (413 reviews)
AC repair service from a technician you can count on, servicing Essex, Towson, Parkville, and Perry Hall, MD and surrounding areas.
Reisterstown, MD
⭐ 4.8 (76 reviews)
Bruce Solomon Plumbing, Heating & Air is a locally owned plumbing and HVAC company serving Reisterstown, Owings Mills, Westminster, Cockeysville, Towson, and surrounding areas in Maryland since 1984. With over 35 years of experience, their licensed and insured technicians offer a comprehensive range of services including plumbing repairs, water heater installation, drain cleaning, sewer repair, sump pump service, faucet and toilet repair, furnace installation and repair, heat pumps, air conditioning installation and repair, indoor air quality solutions, duct sealing, and smart thermostat installation. The company maintains all required local licenses and carries comprehensive insurance and liability coverage. Emergency services are available, and technicians arrive on time, fully equipped, and treat every home with care and respect. Bruce Solomon Plumbing, Heating & Air is committed to providing personalized service and helping homeowners understand all available options to find solutions that fit their needs and budget. Financing options are also available. Contact them at (410) 833-2188 to schedule service.
Halethorpe, MD
⭐ 4.7 (16513 reviews)
AK Water Works is a family-owned plumbing company serving Northeast Ohio. Learn about our team, values, and commitment to quality service.
Catonsville, MD
⭐ 4.7 (1712 reviews)
Catons continues to grow and are always looking for licensed journeymen Plumbers. Click here to submit an application to join our team today!
Dundalk, MD
⭐ 4.7 (552 reviews)
Need a qualified Dundalk plumbing and HVAC contractor that values honesty and integrity with each job performed? Look no further! Call us today!
Freeland, MD
⭐ 4.1 (14 reviews)
Blevins & Sons Septic Service is a family-owned septic company serving Northern Baltimore County, Maryland. Founded by Joseph W. Blevins, the company has been operating for over 25 years. They provide residential and commercial septic services including septic tank cleaning and pumping, repairs, new system installation, replacement of septic lines and pipes, manhole risers installed to grade, baffle inspections, septic locating, and septic inspections for new home purchases or refinancing. The c
Rosedale, MD
⭐ 3.8 (53 reviews)
Use our form to request a fast, free estimate on any of our portable restroom products or portable restroom trailers. Convenient delivery, setup and maintenance.
White Marsh, MD
Bel Air Septic Service operates in Hartford County and Baltimore County, Maryland, providing residential and commercial septic solutions. The family-owned company has served the community for over 30 years under the Good Shepherd Septic Service umbrella, which includes multiple businesses. Services include septic pumping, repairs, installations, portable toilet rentals, and commercial pumping. The company offers yearly maintenance contracts for septic tank pumping on annual or biannual schedules
Perry Hall, MD
⭐ 5.0 (1783 reviews)
Certified Property Inspection offers comprehensive property inspection services, including specialized well and septic inspections. Recognizing that well and septic systems are among the most expensive components of a home, their inspections are critical for informed buying decisions. With over 20,000 inspections completed, Certified Property Inspection prides itself on thoroughness, efficiency, and clear explanations, treating each house as if they were buying it themselves. They provide detailed reports quickly, ensuring clients have a clear understanding of the property's condition. Their expertise extends to various inspection types, making them a reliable choice for homebuyers seeking peace of mind. They are committed to adhering to the ASHI Code of Ethics, guaranteeing professional and ethical service.
Upperco, MD
⭐ 5.0 (107 reviews)
Cossentino Septic Tank Pumping, Cleaning and Repair is a family-owned septic service company operating in Baltimore and Carroll County, Maryland. The business has over 45 years of experience in the septic industry. Owner-operators John and Tom Cossentino, a father and son team, personally handle all service calls. The company provides septic tank pumping and cleaning, septic system repairs including piping, distribution boxes, baffles and drain fields, and septic system inspections. John is a li
Catonsville, MD
⭐ 5.0 (50 reviews)
We provide services throughout all phases of construction. We are the top choice for your grading, excavating, and concrete needs in Maryland!
Towson, MD
⭐ 5.0 (29 reviews)
Do you have a sinkhole in your lawn? C.A. Taciak & Sons has three generations of experience in sinkhole repair for the Greater Baltimore Area. Combining expert plumbing practices with masterful excavation skills, we are the right professionals for your sinkhole repair.
Reisterstown, MD
⭐ 5.0 (12 reviews)
# Mathena Septic Tank Services Inc Mathena Septic Tank Services Inc is a family-owned and operated septic service provider serving Baltimore County, Carroll County, Howard County, Adams County, and York County, PA. With over 50 years of industry experience since 1974, the company has established itself as a reliable local resource for comprehensive septic solutions. The company specializes in residential and commercial septic services, including septic tank pumping and cleaning, system inspections, repairs, and installations. Mathena also offers commercial grease tank cleaning for restaurants and food service establishments, addressing the critical need to prevent clogs and sewage backups caused by fats, oils, and grease. Emergency septic services are available to address urgent issues when they arise. The team utilizes specialized equipment and expertise to diagnose problems accurately and deliver effective solutions, whether customers require routine maintenance or emergency repairs. Based in Reisterstown, Maryland, Mathena maintains multiple service lines across its coverage area to ensure accessibility and responsive service to its residential and commercial clientele.
Kingsville, MD
⭐ 5.0 (7 reviews)
Monkton, MD
⭐ 5.0 (3 reviews)
Harris Septic Systems is a septic service provider based in Monkton, Maryland, dedicated to delivering reliable and professional septic system maintenance and repair solutions. With a perfect 5.0 Google rating from customer reviews, the company has established itself as a trusted name in the local septic industry. Harris Septic Systems serves residential and commercial clients throughout the Monkton area, offering comprehensive septic tank services to keep systems running efficiently. Their commitment to customer satisfaction and quality workmanship has earned them strong recognition in the community.
Timonium, MD
⭐ 4.9 (375 reviews)
Don’t let faulty plumbing damage your home. With 1,900+ Google reviews and 5.0 stars, our Montgomery County & Rockville plumbers can help!
Essex, MD
⭐ 4.9 (206 reviews)
SM Mechanical LLC is a fully licensed HVAC, plumbing, and electrical service company serving the Baltimore, Maryland region since 2009. Based in Essex, Maryland, the company provides residential and commercial services throughout Baltimore, Harford, Cecil, Carroll, Anne Arundel, and Howard counties. The company specializes in heating, air conditioning, ventilation, plumbing, and electrical systems designed to meet specific home comfort needs. SM Mechanical holds an A+ rating from the Better Business Bureau and is recognized by HomeAdvisor as a top-rated home services provider. With over 10,600 satisfied customers and a 4.9 Google rating across 206 reviews, the company has built a strong reputation for transparent service and professional installations. SM Mechanical offers flexible financing options and tailors solutions to individual client requirements, emphasizing honest communication and fair pricing throughout the service process.
Rosedale, MD
⭐ 4.9 (49 reviews)
Ortiz Pro Wash is a power washing company in Delaware. We offer pressure washing services to residential and commercial customers.
White Marsh, MD
⭐ 4.9 (10 reviews)
Hillcrest Pipe Sales and Construction Supplies, Inc. is a pipe and construction supply company located at 11509 Pulaski Highway in White Marsh, Maryland, serving contractors, municipalities, homeowners, builders, and civil engineers for over 50 years. The company supplies a wide range of products including corrugated metal pipe, HDPE pipe, pre-cast concrete products, fittings and bands, septic tanks, and heavy-duty fire rings. In addition to product sales, Hillcrest offers on-site custom fabrication and cutting services, making them a go-to source for complex project requirements and specialty sizing. Their large on-site inventory helps reduce wait times, and the experienced team provides technical guidance to help customers select the right materials for any job. Hillcrest is known for competitive and transparent pricing across project types of all sizes. The company can be reached by phone at (410) 335-3510 and operates Monday through Thursday from 7 a.m. to 4 p.m., Friday from 7 a.m. to 3:30 p.m., and Saturday by appointment.
Cockeysville, MD
⭐ 4.8 (1337 reviews)
Water treatment, well services, and water delivery system for residential homes, businesses and office buildings near you in Chantilly, VA.
Essex, MD
⭐ 4.8 (471 reviews)
Mike’s Plumbing And Heating Services Inc. has been helping residents of Baltimore and the surrounding areas resolve their plumbing and heating issues for over 35 years. Schedule your appointment today.
Timonium, MD
⭐ 4.7 (14 reviews)
Ortiz Pro Wash is a power washing company in Delaware. We offer pressure washing services to residential and commercial customers.
Halethorpe, MD
⭐ 4.4 (61 reviews)
From inspiration to installation, click here to learn more about learning center from our team of experts.
Baltimore County's septic landscape reflects its transition from rural to suburban over several decades. Many properties in the northern and eastern portions of the county were developed before public sewer infrastructure expanded, leaving a substantial number of homes on conventional gravity-fed systems. In areas with shallower soil profiles or higher seasonal water tables—conditions not uncommon near streams and low-lying ground in the county—pump-up and pressure-dosed systems are more prevalent. Some older properties may have cesspools or early-generation systems that no longer meet current standards. Alternative systems, including mound systems, are sometimes required where soil percolation is limited. Maryland's wet spring season and periodic heavy rainfall can stress drain fields, making fall inspections a practical consideration for county homeowners. System performance can also vary based on household size and daily water usage.
Septic system permitting and oversight in Baltimore County falls under the Baltimore County Department of Environmental Protection and Sustainability, which works in coordination with the Maryland Department of the Environment. New installations, system replacements, and significant repairs typically require a permit and an approved site evaluation before work begins. Maryland state law also requires a septic system inspection at the point of sale for properties served by an on-site system, giving buyers documented information about system condition prior to closing. Homeowners can research applicable regulations through the county's environmental agency or the Maryland Department of the Environment, both of which publish guidance on system standards, required setbacks, and approved system types. Pumping alone generally does not require a permit, but any work that alters the system's components typically does. Always verify current requirements with your local health department.
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