Sewage & biohazard · Emergency service
Sewage & Biohazard Cleanup in Maryland
Sewage backups, contaminated floodwater and other biohazards are Category 3 losses. They need protective equipment, removal of porous materials that were touched, cleaning and disinfection of everything else, and careful drying.
Sewage & Biohazard 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.
Steep, developed watersheds can flood fast. Ellicott City's historic main street was devastated by flash floods in 2016 and again in 2018. Annapolis and other low-lying bayfront towns see frequent nuisance flooding at high tide, plus storm surge during tropical systems.
In Baltimore: Baltimore's aging sewer system backs up during heavy rain, sending water into basements through floor drains. In Silver Spring: Heavy rain floods basements through foundation walls and window wells. In Rockville: Heavy rain floods basements through foundation walls and window wells. In Bethesda: Heavy rain floods finished basements through foundation walls and window wells.
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 & Biohazard Cleanup at a glance
- Category
- Sewage & biohazard
- Emergency service
- Yes, call for fastest response
- Typical first step
- Protect people and contain the area
- Area
- Maryland
Other risks in Maryland
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.
Signs you need sewage & biohazard cleanup
- Water or waste coming up through floor drains, toilets or tubs
- A strong sewage smell in a basement or bathroom
- Floodwater that entered the home from outside
How the work is done
Protect people and contain the area, then Remove contaminated water, then Remove porous materials, then Clean and disinfect, then Verify and rebuild. See the full sewage & biohazard 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 & biohazard cleanup cost factors.
Sewage & Biohazard 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.
Can I clean up a small sewage backup myself?
A small backup on a hard, non-porous floor sometimes can be with gloves, boots and disinfectant. Anything that reached carpet, drywall or other porous materials needs professional cleanup.
Does homeowners insurance cover sewage backups?
Usually only with a sewer or drain backup endorsement. Flooding from outside needs a flood policy.
Cities in Maryland
Other services in Maryland
Related pages
More about water and storm damage in Maryland, or see sewage & biohazard cleanup nationwide.
Related services
Sewage backup cleanup
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.
Learn more
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 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.