STOP using all fixtures (toilets, sinks, showers, washer). Each flush adds to the basement. Open windows. Wear rubber boots if entering. Sewage carries bacterial hazards — don't track it through the house.
Step-by-step response
- 1Stop using water
No flushing, no washing, no showers. Anything that adds water makes the backup worse.
- 2Call your water utility if it's storm-related
If multiple homes on your block flooded at the same time, the city sewer mains are overflowing. Toledo: 419-936-2020. Findlay: 419-424-7113. They may issue a boil advisory or pump station diversion.
- 3Document for insurance
Photos before cleanup. Note time, weather conditions, what overflowed where. Sewer-backup coverage is a separate endorsement on most homeowners policies — verify yours. Findlay AE-zone homes need NFIP for full coverage.
- 4Call a plumber — emergency
Service call $79-150. Sewer cabling $185-385. Hydro-jet $385-685. Sewer-camera diagnosis $185-450. Spot repair $850-3,500. Full lateral replacement (clay-to-PVC) $4,500-12,000.
- 5Plan a backflow preventer
If you've had multiple sewer backups, install a backflow preventer ($400-2,500). Findlay floodplain homes: this is the single most important plumbing investment. See cost guide /cost/backflow-preventer-install-cost-findlay.
Verified plumbers serving Fairfield, OH
Thomas & Galbraith Heating, Cooling, Plumbing & Electrical
Chaney Services
"This is the 3rd time we have had Chaney services assist in our home. Nate did a great job. Had to snake and unclog a sewer drain. Will use them again for sure."
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Pembroke Plumbing
"Had a sump pump fail over the weekend. Pembroke was able to get out to me late in the day and replace it. Shareef was super polite and very knowledgeable"
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Chase Brothers Plumbing
AA Plumbing
LH Plumbing Services LLC
"Linda showed up on time, charged exactly what she said she was going to, fixed the issue quickly, sent the invoice over right away. Will definitely call her for more projects."
View pro & call →Frequently asked
Is it tree roots or just a soft clog?
A camera inspection ($185-450) tells you. Soft clogs (grease, paper) cable easily. Roots come back fast — root-foaming treatments help, but if you're rooting twice a year, plan a lateral replacement.
Is the cleanup covered by insurance?
Standard homeowners doesn't cover sewer backup. You need a 'sewer/drain backup' endorsement (typically $50-100/yr extra) — it covers cleanup + drying + replacement of damaged stuff. Findlay floodplain homes also need NFIP for storm-driven sewer backup.
What's a 'main-line' clog vs 'lateral' clog?
Lateral = your house's line, from house to street. Main = the city's line under the street. Lateral is yours to fix; main is the city's. The plumber's camera tells which. Findlay backups during heavy rain are often city-main overflows, not your lateral.
Local context — Fairfield, OH
Large Butler County suburb north of Cincinnati. Mid-century ranches and 1980s-2000s subdivisions create a steady mix of HVAC changeouts, water-heater swaps, and service-panel upgrades before EV or hot-tub installs.