Biohazard cleanup in Dallas often follows sewage backups during heavy storms, but it also covers hoarding, trauma scenes and animal waste. North Texas heat speeds up decay and odor, so these jobs should be handled quickly by trained providers with the right equipment.
Sifixit is a free referral service. Call the number on this page and you will be connected with an independent biohazard cleanup provider that serves the Dallas area, where one is available for your ZIP code. Calling costs nothing and you are never obliged to hire anyone.
Why biohazard cleanup is needed in Dallas
Sewage backups in storms
Heavy rain, like the record rainfall of August 2022, can overwhelm sewer lines and push sewage back up through toilets and floor drains.
Summer heat
Long stretches of triple digit heat speed up decay and bacteria growth, so odor and contamination spread faster after an unattended death or a spill.
Hoarding
Hoarding cleanup is careful, slow work that often uncovers mold, pests and sharp objects hidden in built up items.
Rodents and animal waste
Rats, mice and other animals can nest in attics, garages and crawl spaces, leaving droppings and urine soaked insulation behind.

Areas across Dallas
Sifixit connects callers across the city of Dallas, including neighborhoods such as Uptown, Oak Lawn, Lakewood, Lake Highlands, Preston Hollow, Oak Cliff and Pleasant Grove, and in nearby cities such as Irving, Garland, Mesquite, Richardson, Plano, Carrollton and Grand Prairie.
Sifixit does not have an office or staff in Dallas. Providers you speak to are independent local businesses, and availability depends on your ZIP code and the job.

Permits and local rules
Cleanup itself does not usually need a permit, but the repairs that follow often do. Inside the city of Dallas, larger drywall, electrical and plumbing repairs can require permits from the City of Dallas Development Services Department. Homes in other cities, such as Irving, Garland or Plano, follow the rules of that city or county.
Texas regulates mold work through the Texas Department of Licensing and Regulation. If smoke or firefighting water leads to mold, larger remediation jobs must be done by a licensed company.
Seasonal risks in Dallas
If anyone is hurt or in danger, call 911. After a death or a crime, the police and medical examiner must finish their work before cleanup begins.
- Spring: heavy storms can bring sewage backups.
- Summer: heat speeds up decay and odor.
- Fall and winter: rodents move indoors as it gets colder.
- All year: hoarding and trauma cleanup can be needed at any time.
Be prepared
- Know where your home’s sewer cleanout is
- Ask a plumber about a backwater valve if sewage has backed up before
- Check whether your insurance includes sewer backup coverage
- Report sewer problems in the street to Dallas 311
- Keep drains clear of grease, which causes backups

Learn more before you call
Our main biohazard cleanup guide explains the warning signs, what affects the cost, what you can safely handle yourself and the questions to ask before you hire. It applies in Dallas just as it does everywhere else.
Dallas questions
Does insurance cover sewage backup in Dallas?
Often only if you have a sewer backup endorsement on your homeowners policy. Flooding from outside needs separate flood insurance. Check your policy before you need it.
Who do I call about sewage in the street?
Report sewer problems in public areas to Dallas 311. Backups inside your home are usually the homeowner’s responsibility to clean up.
Is there help with crime scene cleanup costs in Texas?
The Texas Attorney General’s Crime Victims’ Compensation program may help eligible victims with some costs, including crime scene cleanup. Check with the program directly.
Does Sifixit have an office in Dallas?
No. Sifixit is a referral service. Providers you speak to are independent local businesses that serve the Dallas area.
Sifixit is a free referral service and does not provide home services. Calls may be answered by a partner call center or connected directly to independent local providers, who are solely responsible for their work, pricing, licensing and insurance.