When water damage hits, your first step is to shut off the water source and cut power to the affected area if you can safely reach the breaker. Then document every inch of the damage with photos and video before touching anything. Within the first hour, call your insurance company — and within the first few hours, get a certified restoration team on-site, because mold can begin growing in as little as 24 to 48 hours.
Water damage doesn’t announce itself. One January morning in Lansing, a homeowner woke up to two inches of standing water in their basement — a pipe in an exterior wall froze overnight and burst while they slept. In Detroit, it’s a sump pump that quits during a spring thaw. In Ann Arbor, it’s a dishwasher line that was given out while the family was at work. Across Michigan, these emergencies happen every single day.
Every hour you wait makes the damage worse. Water moves fast — it soaks into drywall, travels under flooring, and creeps into wall cavities you cannot see. Mold spores don’t need much encouragement, and Michigan’s humidity gives them exactly the conditions they need to take hold. At Lyon Restoration, our team has responded to more than 1,000 water damage emergencies across Michigan. We’ve seen what fast action saves — and what delayed action costs.
This guide walks you through every step of the critical first 24 hours, in plain language, so you know exactly what to do right now.
Step 1: Prioritize Safety Before Touching Anything
Before you grab a mop or start moving furniture, stop. Your safety comes first — and water damage scenes carry real hazards that aren’t always obvious.
Turn off power to the affected area at your circuit breaker — but only if you can reach the breaker panel without walking through standing water. Electricity and water are a lethal combination. If the breaker box is in the basement and the basement is flooded, do not go down there. Call your utility company and ask them to cut power from outside.
Never step into standing water near electrical outlets, appliances, or exposed wiring. Even a small amount of current in floodwater can cause serious injury.
If your water damage involves sewage — a backed-up drain, an overflowing toilet, or a sewer line failure — you are dealing with Category 3 black water. Do not touch it. Black water contains bacteria and pathogens that pose serious health risks. Clear the area and leave cleanup entirely to professionals with the proper protective equipment.
If there is any structural damage — a sagging ceiling, buckled floors, or visible wall collapse — leave the property and call us before going back in.
Step 2: Stop the Water Source Immediately
Once you know it’s safe to move, your next priority is stopping more water from entering the property. Every minute the source keeps running, the water mitigation job gets bigger and more expensive.
For a burst pipe or plumbing failure: Find your main water shut-off valve and turn it off. In most Michigan homes, this valve is located in the basement near the front foundation wall, in a utility room, or under the kitchen sink. If you don’t know where yours is, find it right now — before an emergency — and make sure every adult in the home knows too.
For a sump pump failure: This is one of the most common causes of basement flooding we see in Michigan, especially during spring snowmelt. If your sump pump has failed, you can’t stop the groundwater from coming in — but you can rent or buy a backup submersible pump at most hardware stores while you wait for help to arrive.
For an appliance leak (dishwasher, washing machine, water heater): Turn off the water supply line running directly to that appliance. There is usually a shut-off valve on the line behind or beneath the unit.
If you cannot stop the source yourself, call a licensed plumber and call Lyon Restoration at the same time. We can be on-site while the plumber makes the repair, so mitigation starts the moment the water stops.
Javier’s Note: In Michigan winters, frozen pipe bursts are almost always in the same locations — exterior walls, unheated crawl spaces, attics, and garages. If you have a burst pipe and can’t find the source, check those spots first. The pipe that bursts isn’t always close to where the water appears.
Step 3: Document All Damage Before You Touch Anything
This step feels counterintuitive when you’re standing in a flooded room and your instinct is to start cleaning up. Resist that instinct. Documentation done now protects your insurance claim later — and a poorly documented claim can result in underpayment or outright denial.
Take photos and video of everything before you move a single item or absorb a drop of water:
- Every room with visible water damage, from multiple angles
- Standing water depth (place a ruler or your hand for scale)
- Water lines on walls and baseboards showing how high water reached
- All damaged personal property — furniture, appliances, electronics, boxes
- Any visible damage to drywall, flooring, ceilings, or structural elements
- The source of the water intrusion is visible (cracked pipe, failed sump, etc.)
After photos, start a written damage log. Note the date and time you discovered the damage, the apparent source, and every item affected. Keep all receipts from any emergency purchases you make — fans, pumps, hotel stays if the home is uninhabitable.
Pro Tip: Don’t just use your camera app. Open your phone’s native camera and make sure location and timestamp data are embedded in the file. Insurance adjusters and attorneys use metadata to establish timelines. Photos without timestamps are much easier to dispute.
Your insurance adjuster will use your documentation to determine the scope of your claim. Anything you clean up, move, or throw away before documenting it is evidence lost.
Step 4: Call Your Insurance Company — But Read This First
Contact your insurance company as soon as your family is safe and the damage is documented. Most Michigan homeowners insurance policies require “prompt notice” of a loss — meaning if you wait several days to report, your claim can be complicated or denied.
What Michigan homeowners insurance typically covers:
- Sudden and accidental water damage from burst pipes, appliance failures, or roof leaks
- Water damage from an HVAC system malfunction
- Accidental overflow from a bathtub, sink, or toilet
What it typically does NOT cover:
- Flooding from outside the home — groundwater, overflowing rivers, or surface runoff. This requires a separate NFIP flood insurance policy.
- Gradual water damage from a slow leak you knew about but didn’t fix
- Sewer and drain backup — unless you have a sewer backup endorsement added to your policy (typically $40–$60 per year in Michigan, and worth every penny)
- Frozen pipes in a home left without heat — Michigan insurers expect you to maintain a minimum of 55°F
When you call your insurer, give them the basics: date of loss, apparent cause, rooms affected, whether the source has been stopped. Ask what documentation they need and whether they have a preferred restoration vendor. You are not required to use their preferred vendor — you have the right to hire any licensed, IICRC-certified company.
Here is something most Michigan homeowners don’t know: Call Lyon Restoration before your insurance adjuster arrives on-site. Our team identifies hidden moisture damage — inside walls, under subfloors, above ceilings — that a non-restoration adjuster will miss on a visual walkthrough. Damage that isn’t documented in the initial scope often doesn’t get covered. We make sure the full picture is captured before your adjuster writes the estimate. Contact Lyon Restoration to get a team on-site fast.
Step 5: Remove Standing Water — But Know Your Limits
Once documentation is complete and your insurance company has been notified, you can begin removing standing water — within limits.
What homeowners can safely handle:
- Small amounts of Category 1 water (clean water from a supply line or tap) using mops, towels, or a wet-dry vacuum
- Moving undamaged items out of the wet area to prevent secondary damage
- Opening windows if outside conditions allow, to improve air circulation
What requires professional equipment:
- Any standing water more than about an inch deep
- Water covering multiple rooms or levels
- Category 2 gray water (washing machine overflow, toilet overflow without solids) or Category 3 black water
- Any situation where water has contacted drywall, insulation, or subfloor materials
A standard shop vac and box fans are not enough. Household fans only move surface air — they do not have the airflow capacity or humidity control of industrial air movers and dehumidifiers. Hidden moisture trapped in wall cavities and subfloors will stay wet long after the floor looks dry. That hidden moisture becomes mold within 24 to 48 hours.
DIY cleanup that leaves hidden moisture also creates problems with your insurance claim. If mold appears two weeks later because drying was incomplete, insurers may argue the secondary damage resulted from inadequate mitigation rather than the original loss.
Step 6: Call a Certified Michigan Restoration Company — The Earlier, The Better
This is the call that changes the outcome of your situation. Getting a certified water damage restoration team on-site within the first few hours is the single most important factor in limiting your total loss.
Why IICRC certification matters: The Institute of Inspection, Cleaning and Restoration Certification sets the industry standard for how water damage restoration should be performed. Per IICRC S500 standards, proper structural drying requires specific airflow ratios, humidity targets, and daily moisture monitoring. A non-certified company may dry the surface and call it done — leaving wet framing, insulation, and subfloor materials behind that turn into a mold remediation job weeks later.
What Lyon Restoration does when we arrive:
- Full moisture assessment using professional moisture meters and thermal imaging cameras to map every wet area — including inside walls and under floors you cannot see
- Classification of water category (Category 1, 2, or 3) to determine the correct protocol
- Industrial water extraction using truck-mounted and portable extraction equipment
- Strategic placement of industrial air movers and dehumidifiers to create the drying conditions the IICRC S500 standard requires
- A written drying plan with daily monitoring and moisture log documentation for your insurance file
We also assess whether mitigation alone will be enough or whether reconstruction will be required — replacing drywall, flooring, insulation, or structural materials. Knowing that early means your insurance claim covers the full scope from the start.
Lyon Restoration serves homeowners and businesses across Lansing, Detroit, Ann Arbor, Kalamazoo, and New Hudson, Michigan — 24 hours a day, 7 days a week, 365 days a year. If you’re dealing with water damage right now, call us at +1 947-256-2307. We answer every call, day or night. Learn more about our water damage restoration services or contact Lyon Restoration to get a team dispatched immediately.
What Happens After the Restoration Team Arrives
Once Lyon Restoration’s team is on-site and extraction has begun, here is what the next 24 to 72 hours look like:
Daily monitoring: Our technicians return each day to take moisture readings from walls, floors, and structural materials. These readings are logged and shared with your insurance adjuster as proof that drying is progressing to IICRC standards.
Drying timeline: Structural drying typically takes 3 to 5 days depending on how far the moisture spread, what materials were affected, and the ambient conditions in your home. Dense materials like hardwood flooring, concrete block walls, and thick framing take longer than drywall or carpet.
Mold prevention: During the drying phase, our team applies antimicrobial treatments to at-risk surfaces. We monitor humidity levels daily to make sure conditions stay below the threshold where mold spores activate. If mold is already present, our mold remediation team handles full containment and removal.
Contents assessment: We evaluate every item affected by the water — furniture, electronics, documents, clothing — and determine what can be restored versus what needs replacement. Items that can be restored are catalogued for your insurance claim.
Keep the property accessible: While drying equipment is running, keep the affected areas accessible and do not turn off the equipment. Industrial dehumidifiers and air movers need to run continuously to hit drying targets. Turning them off to save on electricity can add days to the drying timeline and risk mold growth.
Frequently Asked Questions — Water Damage in Michigan Homes
How fast does mold grow after water damage?
Mold can begin growing within 24 to 48 hours of water exposure, especially in warm or humid conditions. Michigan’s climate — combined with the moisture trapped in building materials after a flood — creates ideal conditions for rapid mold growth. This is why extraction and structural drying must begin as quickly as possible. Waiting even a day or two significantly increases the risk of mold taking hold in walls, insulation, and subfloor cavities.
Does homeowners insurance cover water damage in Michigan?
Most standard Michigan homeowners insurance policies cover sudden and accidental water damage — a burst pipe, an appliance failure, a roof leak during a storm. What they typically do not cover is flooding from outside the home (which requires separate NFIP flood insurance), gradual damage from a slow leak, or sewer backup without a specific endorsement. If you are unsure what your policy covers, call your agent before your adjuster visits — and call Lyon Restoration at the same time so we can document the full scope of damage.
Can I stay in my home after water damage?
It depends on the severity of the damage and the category of water involved. Minor clean water damage in one room may allow you to stay in other parts of the home safely. However, if the damage involves black water (sewage backup), structural damage, large areas of wet drywall or flooring, or if mold is already visible, you should vacate until remediation is complete. Your insurance policy likely covers additional living expenses if your home is uninhabitable — ask your agent.
How long does water damage restoration take?
Structural drying typically takes 3 to 5 days for water damage that reaches standard building materials like drywall, carpeting, and wood framing. Denser materials take longer. If reconstruction is required — replacing drywall, flooring, or insulation — that phase depends on the scope. Minor repairs may take a few days; major reconstruction can take 2 to 4 weeks. Lyon Restoration provides a written timeline estimate during the initial assessment so you always know what to expect.
How much does water damage restoration cost in Michigan?
Restoration costs vary significantly based on the affected area, water category, materials involved, and whether reconstruction is needed. Mitigation and drying for a single flooded room involving clean water typically costs less than a multi-room Category 3 sewage backup that requires full contents removal and reconstruction. Lyon Restoration provides a detailed written estimate during the assessment, and we work directly with your insurance company to ensure the full scope is documented and covered. Call +1 947-256-2307 for a free on-site assessment.
Fast Action Saves Your Michigan Home — and Your Insurance Claim
Michigan homeowners know that winters are hard, springs are unpredictable, and plumbing doesn’t fail on a convenient schedule. Burst pipes hit at 2 a.m. Sump pumps fail during the worst storms. Appliances give out when you’re at work. None of this is your fault — but how fast you act in the first 24 hours determines how much of the damage is recoverable.
The six steps in this guide — safety first, stop the source, document everything, call your insurer, remove what water you safely can, and call a certified restoration team — are the same steps our team at Lyon Restoration has walked Michigan homeowners through hundreds of times. Each step builds on the one before it, and each one protects your home, your health, and your insurance claim.
You don’t have to figure this out alone. Lyon Restoration is available 24 hours a day, 7 days a week, every day of the year. Call us at +1 947-256-2307 the moment water damage happens — the earlier we arrive, the more we can save. Contact Lyon Restoration online or call now for immediate dispatch across Lansing, Detroit, Ann Arbor, Kalamazoo, and New Hudson, Michigan.