A lasting odor after a death, a hoarding situation or a sewage backup in Marysville goes away only when its source is found and removed, which is work for an odor remediation company, not for household sprays. Biohazard Network can connect you with an independent local company that does this work; we do not do any of the work ourselves, and you hire the company directly.
Feeling overwhelmed right now is normal. Remediation means fixing the cause of a problem, not hiding its signs, and this page explains how that works.
Why sprays and ordinary cleaners fail
A lasting odor comes from something physical left behind: body fluids after an unattended death, animal waste, smoke residue or sewage. Fragrance and ordinary cleaners only mask it, so it returns. The Washington State Department of Health1 (DOH) gives the same kind of advice about mold: do not paint or caulk over it.
Porous materials are materials that soak up liquid, such as carpet, carpet pad, drywall and wood subfloor. Once fluid has soaked in, surface cleaning cannot reach it, so the company may need to cut out affected sections. Deodorizing comes only after the source is gone, and the final step is checking that the odor has not come back.
What happens first
If someone died in the home
A medical examiner is a public official who investigates certain deaths. The Snohomish County Medical Examiner’s Office2 determines the cause and manner of death of persons who die suddenly, violently, or unexpectedly while in apparent good health. You can reach an investigator at 425-438-6200, and investigators are on duty around the clock.
Scene release means the police or the medical examiner have told you they are finished with the space; no cleanup should start before then. The office’s Information Guide for Families answers questions about next steps. Its Biohazard Cleanup Services list is, by its own description, for convenience only and not an endorsement. See unattended death cleanup in Marysville.
If the source is sewage, animals or stored belongings
The Snohomish County Health Department3 does not investigate indoor sewage spills; it offers its Guidelines for Cleaning Indoor Sewage Spills instead. DOH1 says to hire a professional when mold has been contaminated by sewage or is in hidden places. Our page on sewage and biohazard waste in Marysville covers that work.
Where the person living in the home has kept many belongings, rodents can add to the odor. DOH4 says to handle all rodent droppings as if infectious and not to stir up dust by vacuuming or sweeping. See hoarding cleanup in Marysville.
For now, leave stained flooring, furniture and bedding in place. The Office of the Insurance Commissioner (OIC) tells renters not to throw damaged things away yet, because the insurer may want to inspect them.
What to expect from the company you hire
A biohazard is biological material, such as blood or sewage, that can carry germs; germs carried in blood are called bloodborne pathogens. Ask the company to walk you through its plan, which may include:
- Protective equipment: expect the crew to wear gloves, suits and breathing protection.
- Containment: sealing off the work area so contamination does not spread.
- Removal: cutting out and bagging affected porous materials.
- Disinfection: using products that kill germs on the surfaces that remain.
- Odor treatment: deodorizing after the source is out.
- A final check: ask how the company confirms the odor is gone.
Biomedical waste is a legal category in Washington that includes discarded human blood, materials containing free-flowing blood, and used needles. A company collecting, transporting and disposing of it must keep a biomedical waste operating plan that keeps it separate from other solid waste and lets only authorized, trained people handle it. Ask who will haul it away, and ask for photos and written records for your insurer.
Before you hire, ask how the company’s crew follows OSHA’s bloodborne pathogens standard5, 29 CFR 1910.1030, and the ANSI/IICRC S540 Standard for Trauma and Crime Scene Cleanup (IICRC is a non-profit organization for the inspection, cleaning and restoration industries), and look the business up yourself in the Washington State Department of Labor & Industries (L&I) tool called Verify a Contractor, Tradesperson or Business. Our guide, Biohazard Cleanup Certifications Explained, walks through what those names mean.
How long odor remediation takes
No one can give a reliable time without seeing the property, so ask the company to explain what drives its estimate. These factors can make the work longer:
- How long the source was there. The longer a residue sat, the deeper it may have reached.
- How much porous material is affected. Removing carpet, pad, drywall or subfloor adds steps.
- Ventilation. Rooms with little fresh air can hold an odor after the source is gone.
- Restoration afterward. Replacing removed materials is a separate stage; see how biohazard cleanup fits with water, fire and mold restoration.
If the family must stay elsewhere, the OIC says loss of use or additional living expenses coverage pays extra living costs while a damaged home is repaired. You can also ask your agent or company whether a loss is covered without filing a claim.
Odor remediation in Marysville
Marysville is an incorporated city. If rebuilding needs a permit, Building Services (Community Development) reviews and inspects plans and structures for compliance with city code, and applications go through the city’s Permit Portal. Separately, the Marysville Police Department’s Code Enforcement Unit administers the parts of the Marysville Municipal Code on public health, public nuisance and safety issues.
For a home near Ebey Waterfront Park on Ebey Slough or near Mother Nature’s Window Park, the county health office is the Snohomish County Health Department3, whose Everett main office can be reached at 425-339-5200. Its Mold & Air Quality information page notes that it does not identify or test mold and has no indoor air quality program, so ask the company how it will check the result.
If your family is also handling a property reached by the Mountain Loop Highway between Granite Falls and Darrington, that route has an annual winter closure, normally early November until the end of May. Ask any company how it would reach that property in those months.
Who to call first
In an emergency, call 911.These official offices may be part of the first steps. They are government pages, not ours.
- Snohomish County Medical Examiner (opens in a new tab)After a sudden or unexpected death, cleanup waits until this office is done.
- Snohomish County Health Department (opens in a new tab)For local health questions, such as a home that was used as a drug lab.
- Washington Crime Victims Compensation Program (L&I) (opens in a new tab)If a crime happened, it may help with some costs, such as funeral expenses. It doesn't pay for cleanup.
- Verify a contractor (L&I lookup) (opens in a new tab)Look up whether a company is a registered contractor before work starts.
- Washington State Department of Health (opens in a new tab)State health rules, such as for drug lab cleanup and hantavirus.