Sewage & biohazard · Emergency service
Sewage backup cleanup in Maryland
Sewage cleanup treats the water as Category 3 (grossly contaminated): crews in protective gear remove it, discard porous materials it touched, clean and disinfect hard surfaces, and dry the structure. Don't try to clean sewage with household products and a mop.
Sewage backup cleanup in Maryland: local conditions
Partner coverage for sewage and biohazard cleanup in Maryland includes 152 ZIP codes, with local pages for Baltimore, Silver Spring, Rockville, Gaithersburg, Columbia, Laurel. Call with your ZIP to confirm a company serves your address.
In Baltimore: Baltimore's aging sewer system backs up during heavy rain, sending water into basements through floor drains. In Silver Spring: Cloudbursts overwhelm storm sewers and back water into basement drains. In Rockville: Summer storms overwhelm storm sewers and back water into basement drains. In Bethesda: Cloudbursts overwhelm storm sewers and back water into basement drains.
Baltimore's rowhomes share walls and often have original cast-iron plumbing. Suburban homes from the 1960s–80s are reaching the age where water heaters, supply lines and sump pumps fail.
Maryland requires home improvement contractors to be licensed by the Maryland Home Improvement Commission (MHIC). Check the license before you sign a contract.
What you can expect
- One call connects you with an independent restoration company that serves your ZIP code.
- Fast call-back during business hours
- Serving Maryland
- Photo and moisture documentation for insurance
Sewage backup cleanup at a glance
- Category
- Sewage & biohazard
- Emergency service
- Yes, call for fastest response
- Typical first step
- Protect
- Area
- Maryland
Other risks in Maryland
Flash flooding
Steep, developed watersheds can flood fast. Ellicott City's historic main street was devastated by flash floods in 2016 and again in 2018.
Basement water and sump failures
Many Maryland homes have finished basements, where a failed sump pump or a heavy storm can soak carpet, drywall and belongings.
Chesapeake tidal flooding
Annapolis and other low-lying bayfront towns see frequent nuisance flooding at high tide, plus storm surge during tropical systems.
Signs you need sewage backup cleanup
- Water coming up from floor drains, tubs or toilets
- Gurgling drains
- Sewage odor in the house
How the work is done
Protect, then Remove, then Disinfect, then Dry. See the full sewage backup cleanup process.
What affects the cost
Prices depend on the job, so restoration companies in Maryland quote after an assessment. The main drivers are how much area is affected, how long it stayed wet, and what has to be removed or rebuilt. See the full list of sewage backup cleanup cost factors.
Sewage backup cleanup questions
Does Maryland homeowners insurance cover a failed sump pump?
Usually only with a water backup endorsement. Without it, water from a failed sump or a backed-up drain is often excluded.
How do I verify a contractor in Maryland?
Search the contractor on the Maryland Home Improvement Commission (MHIC) license lookup, and ask for proof of insurance.
Does homeowners insurance cover sewage backup?
Often only with a water or sewer backup endorsement, which most insurers offer as an add-on. Check your declarations page.
Is sewage cleanup dangerous?
Yes. Sewage contains bacteria, viruses and parasites. Professional crews use protective equipment and disinfectants for this reason.
Cities in Maryland
Other services in Maryland
Related pages
More about water and storm damage in Maryland, or see sewage backup cleanup nationwide.
Related services
Biohazard cleanup
Biohazard cleanup removes and disposes of blood, bodily fluids and other potentially infectious material, then cleans and disinfects the area so it's safe to use.
Learn more
Flood damage cleanup
Flood cleanup treats outside floodwater as contaminated: it removes water and mud, cuts out wet drywall and insulation above the waterline, sanitizes, and dries the structure.
Learn moreEmergency water extraction
Water extraction is the first step of any water loss: removing standing and absorbed water with powerful pumps and extractors before drying starts.
Learn moreWater, mold or fire damage? Get the right crew on it.
One call connects you with an independent restoration company that serves your ZIP code. Fast call-back during business hours.