Guides

Basement flooding guides

Practical, Michigan-specific answers for homeowners dealing with (or preventing) basement water.

Updated Jul 2026Southeast Michigan
My basement is flooding right nowStop the water, document it, know who to call.
Call order & hotlines·Live storm watch·The 45-day claims deadline·DWSD/GLWA claim guide
I want to prevent it from happening againThe fixes that actually work for this region's older housing stock.
The full prevention playbook·Sump pump cost·Backwater valve cost
I'm comparing contractorsWhat a real quote should include, and how to spot a bad one.
How to choose a contractor·2026 waterproofing cost
I need insurance or financial helpWhat your policy actually covers, and who pays for the rest.
Sewer backup insurance, in depth·Assistance programs open now
Featured guideBasement Flood Prevention in Michigan: What Works, What It CostsThe data-backed playbook for pre-1960 homes: know your risk, the fixes ranked by cost and payoff, and exactly what to do before, during, and after a flood.Built for the 38% of metro homes that predate modern drainage codes

All guides

Basement Flood Prevention in Michigan: What Works, What It CostsThe data-backed playbook for pre-1960 homes: know your risk, the fixes ranked by cost and payoff, and exactly what to do before, during, and after a flood.
PreventChecked Jul 2026
Basement Waterproofing Cost in Metro Detroit (2026)Metro Detroit averages $3,369 in 2026 (Angi), well under the $5,239 national figure. Full breakdown by method, per-linear-foot pricing, and red flags to watch for.
ContractorsChecked Jul 2026
DWSD Sewer Backup Claim: Step-by-Step Guide (2026)The 45-day deadline, what the written notice must say, and the honest odds after GLWA denied roughly 24,000 claims from the June 2021 storms.
Flooding nowChecked Jul 2026
Does Insurance Cover Sewer Backup in Michigan? (2026)Standard policies exclude it. What the water backup endorsement costs in 2026, what it covers, and why NFIP flood insurance will not fill the gap.
Insurance & moneyChecked Jul 2026
Flooded Basement? What to Do First (Metro Detroit)Safety, documentation, then who to call in order, DWSD, your insurer, or a plumber, plus the deadline that starts today whether you notice it or not.
Flooding nowChecked Jul 2026
Basement Flood Assistance Programs in Metro Detroit: What Is Open NowEvery flood-help program with its real status. Detroit's $40,000 sewer-repair program is open to 97 neighborhoods, the backup-protection program is closed, and RainSmart is closed for 2026.
Insurance & moneyChecked Oct 2026
Sump Pump Cost in Michigan (2026): Install, Battery Backup, LifespanA $650 swap to a $3,800 new-pit install, what battery backup adds, and why DTE's outage record makes the backup part of the job, not an accessory.
PreventChecked Jul 2026
Backwater Valve Cost in Metro Detroit (2026): Who Needs OneThe fix aimed at how this region actually floods. Retrofit prices, the 33 combined-sewer communities where it matters most, and Detroit's $100 install program.
PreventChecked Jul 2026
How to Choose a Basement Waterproofing Contractor in MichiganVerify the state license, read the warranty, spot the high-pressure tactics, and compare quotes the right way before you sign.
ContractorsChecked Jul 2026
Live Storm Watch: Alerts, Rain, and River LevelsA live readout for Wayne, Oakland, and Macomb: active flood alerts, the 48-hour outlook, and why calm rivers can still mean a wet basement. Informational, not an official alert.
Flooding nowChecked Jul 2026
Basement Backup Claims: The 45-Day Deadline and Who to File WithAfter a sewer or stormwater backup in metro Detroit, you may have only 45 days to file. Who you notify (Detroit DWSD, your county, or GLWA), what insurance covers, and the city programs that help pay for prevention.
Flooding nowChecked Jul 2026
The June 2021 Metro Detroit Floods: What Happened and What It Taught UsA look back at the storms that put tens of thousands of basements underwater, why some neighborhoods were hit so hard, and what every homeowner can take from it.
BackgroundChecked Jul 2026
What Actually Keeps a Michigan Basement DrySump pumps, backwater valves, weeping tile, grading: a plain-English guide to what each one does, what it costs, and what to do first.
PreventChecked Jul 2026
Buying a House With a Wet Basement in Michigan: What to CheckWhat the seller disclosure asks about water and flooding, your 72-hour window if it arrives late, why a flood map misses sewer backups, and what to look for at the showing.
Buying a homeChecked Sep 2026
Dearborn Basement Flooding Claim: The 45-Day Notice and Where to FileWhere Dearborn claims go, what the written notice must say, what to photograph before cleanup, and why the city's sewer backs up in big storms.
Flooding nowChecked Sep 2026
Livonia Sewer Backup: Who to Call and the 45-Day ClaimThe DPW and after-hours numbers, how the city decides whose line failed, the 45-day written claim, and what to fix after.
Flooding nowChecked Sep 2026
Redford Township Sewer Backup: Who to Call and the 45-Day ClaimThe Water Department and after-hours police numbers, the township claim form, the 45-day notice, and why the source of the backup decides the claim.
Flooding nowChecked Oct 2026
Southfield Sewer Backup: Who to Call and the 45-Day NoticeThe Water Department and after-hours numbers, where the written notice gets mailed, the 45-day deadline, and what to document.
Flooding nowChecked Oct 2026
Westland Sewer Backup: Who to Call and the 45-Day ClaimPublic Service and after-hours police numbers, the 45-day written notice, what causes backups, and what to fix after.
Flooding nowChecked Oct 2026
Selling a House With a Wet Basement in Michigan: What to DiscloseWhat the state disclosure form asks about water, where a seller's protection ends, and how a late form lets the buyer walk.
Buying & sellingChecked Oct 2026
Garden City Sewer Backup: Who to Call and the 45-Day ClaimPublic Service and after-hours police numbers, the City Clerk's written claim, the 45-day deadline, and what to fix after.
Flooding nowChecked Oct 2026
Royal Oak Sewer Backup: Who to Call and Who Owns the PipePublic Service and after-hours police numbers, where the city's pipe ends and yours begins, and the 45-day state notice.
Flooding nowChecked Oct 2026
Warren Sewer Backup: Who to Call and Where the Claim GoesThe Water Department number, where the Risk Management claim goes, the 45-day state notice window, and what to document.
Flooding nowChecked Oct 2026