🌪️ Can I Deduct Storm Damage Insurance Didn’t Cover?
What Illinois Homeowners Need to Know About the 2026 Casualty Loss Rules
Illinois has had its share of severe weather in 2026.
Tornadoes. High winds. Flooding. Fallen trees. Damaged roofs and siding.
Mother Nature has been a little dramatic.
If your home was damaged and you've already dealt with the insurance company, you may be asking:
“Can I deduct the storm damage my insurance didn't cover?”
The answer is everyone's favorite tax answer:
Maybe.
There was an important change to the federal casualty loss rules beginning in 2026. That change could help some Illinois homeowners — but having storm damage or paying an insurance deductible does not automatically give you a tax deduction.
Here's what you need to know.
⛈️ Storm Damage Tax Deductions Changed in 2026
For several years, the federal tax rules severely limited deductions for personal casualty losses.
Beginning in 2026, the rules were expanded to allow certain personal casualty losses connected to either a federally declared disaster or a qualifying State-declared disaster.
That means some losses caused by tornadoes, severe storms, flooding, and other natural disasters may once again qualify.
But there's an important catch.
A Governor declaring a disaster does not automatically make every storm-related expense tax deductible.
There are additional federal requirements.
📍 Does the 2026 Illinois Disaster Declaration Qualify?
Governor JB Pritzker issued a State Disaster Proclamation on June 30, 2026, covering 11 Illinois counties following severe weather.
Cook County was included. Will County was not included in that particular proclamation.
That's an important first step for affected Cook County homeowners.
However, the new federal tax law also requires a determination by the U.S. Secretary of the Treasury before a State-declared disaster meets this particular federal casualty-loss definition.
As of August 13, 2026, that additional federal determination has not been confirmed for this Illinois event.
So we're not telling clients that their losses are deductible yet.
We're watching.
And while we wait, there are things homeowners should be doing now.
📸 Had Storm Damage? Start Saving Your Records Now
Don't wait until tax season to start gathering everything.
If your home suffered storm or tornado damage, save:
Before-and-after photos and videos
Your insurance claim
Insurance adjuster's reports
Your final insurance settlement
Insurance denial letters
Contractor estimates
Detailed repair invoices
Receipts and proof of payment
Records of disaster grants or other assistance
SBA disaster loan records
Records showing major improvements you've previously made to your home
If possible, ask contractors to separate necessary storm repairs from optional upgrades on their invoices.
You'll thank yourself later.
So will your accountant.
💸 Is My Homeowners Insurance Deductible Tax Deductible?
This is where things get confusing.
Let's say a storm damages your roof.
A new roof costs $20,000.
Your insurance company pays $15,000.
You pay the remaining $5,000.
It would be very convenient if that meant you could simply claim a $5,000 tax deduction.
Unfortunately:
Your $5,000 out-of-pocket cost is not automatically a $5,000 casualty loss deduction.
The tax rules require us to calculate the actual loss to the property and reduce that amount by insurance and other reimbursements.
Additional tax limitations are then applied.
In plain English:
What you paid and what you can deduct are two different calculations.
Because apparently the giant check you just wrote wasn't complicated enough.
🏠 Can I Deduct a New Roof After Storm Damage?
Possibly, but the cost of the new roof itself isn't automatically the deduction.
Federal casualty-loss rules generally measure the loss using the smaller of the decrease in the property's fair market value caused by the casualty or the property's adjusted tax basis, before considering insurance reimbursement.
Repair costs can sometimes help establish how much value was lost.
That makes your roofing invoices, estimates, insurance paperwork, photographs, and other records important.
But you shouldn't simply take the amount you paid the roofing company and assume that's your tax deduction.
🏠 What About New Siding, Windows or Other Repairs?
The same general concept applies.
Suppose a tornado damages your:
Siding
Windows
Gutters
Roof
Basement
Other parts of your home
Keep records showing both what was damaged and what you spent repairing it.
Also keep the insurance documents showing what was reimbursed.
Those records can help determine the casualty loss if the disaster ultimately qualifies.
🔨 Storm Repairs and Home Upgrades Aren't the Same Thing
Here's another common situation.
A storm damages your siding.
Insurance will pay to replace what you had, but you decide this is the perfect opportunity to install a much more expensive product.
That's completely fine.
But the extra amount you voluntarily spend upgrading your home generally isn't part of your storm casualty loss.
The tax rules are looking at what you lost because of the storm, not how much you decided to spend afterward.
There is an important flip side.
If you had a 12-year-old roof and the storm destroyed it, you're obviously not going to ask your contractor to install another 12-year-old roof.
Using new materials doesn't automatically mean you've made an elective upgrade.
That's why the facts — and your documentation — matter.
🌊 What About Basement Flooding and Water Clean-Up?
Keep those records too.
Save invoices and receipts for water extraction, drying, clean-up, damaged materials, and restoration work.
But remember:
Clean-up costs are not automatically a tax deduction.
They may be relevant when determining the overall casualty loss, depending on the circumstances.
The same caution applies to expenses such as storm-related tree removal and clean-up.
🧮 Even If Your Storm Qualifies, You May Not Get a Deduction
Here's another fun part.
For an ordinary qualifying disaster loss under the rules we're currently watching, the loss is generally reduced by $100 per casualty event.
The remaining net casualty loss is generally subject to the 10% of adjusted gross income limitation.
You also generally need to itemize your deductions to receive the tax benefit.
That means it is entirely possible to:
Have storm damage.
Pay thousands out of pocket.
Meet the disaster requirements.
And still not receive an additional tax deduction.
I know.
I don't make the rules.
Certain qualified disaster losses receive more favorable treatment, but that's a separate designation with different requirements.
📋 What Should Illinois Homeowners Do Right Now?
Don't try to calculate the tax deduction yourself.
Instead:
File your insurance claim.
Take pictures and videos.
Save the insurance paperwork.
Keep contractor estimates and invoices.
Keep receipts and proof of payment.
Separate storm repairs from optional upgrades.
Keep records of grants, disaster assistance, and SBA loans.
Don't throw everything away after the insurance claim is finished.
Most importantly, don't assume that something isn't worth documenting just because we can't tell you today whether it will be deductible.
If the necessary federal determination is made for the Illinois storms, good records will allow us to determine whether your loss qualifies and whether it actually creates a tax benefit.
📋 Download the 2026 Storm Damage & Casualty Loss Tax Checklist
I've created a checklist to help homeowners keep track of the insurance, repair, and storm-damage records we may need at tax time.
❓ Illinois Storm Damage Tax Deduction FAQs
Can I deduct my homeowners insurance deductible after a tornado?
Not automatically. Your insurance deductible and your federal casualty-loss deduction are two different calculations. The casualty loss must be determined under the federal tax rules and reduced by insurance and other reimbursements.
Can I deduct a new roof that insurance didn't fully pay for?
Potentially, but the amount you paid for the roof is not automatically the deductible amount. The actual casualty loss must first be calculated.
Does Cook County qualify for the new 2026 disaster tax deduction?
Cook County was included in Governor Pritzker's June 30, 2026 State Disaster Proclamation. However, an additional Treasury Secretary determination is required under the new federal State-declared-disaster rules. That determination has not yet been confirmed as of August 13, 2026.
Is Will County included in the June 30 Illinois disaster declaration?
No. Will County was not among the counties included in the June 30 proclamation we're discussing. A different or later declaration could change the analysis.
Should I file an insurance claim even if insurance won't cover everything?
Yes. The federal casualty-loss rules generally require taxpayers to file a timely insurance claim when the damaged property is insured.
Should I save receipts for storm clean-up?
Yes. Save them even though clean-up expenses aren't automatically deductible. They may be relevant when your overall casualty loss is reviewed.
🌪️ The Bottom Line
If you suffered storm damage in Illinois this year, don't assume:
“Insurance didn't pay for it, so I can deduct it.”
But don't assume:
“There's no deduction, so I don't need to save anything.”
Either assumption could cost you later.
For now:
File the claim. Take the pictures. Save the paperwork. Keep the receipts.
We'll worry about the tax math when we know whether the government has officially opened that door.
And hopefully Mother Nature can find a new hobby.
Need help with your 2026 taxes? Ratliff Accounting & Tax is monitoring the Illinois disaster declarations and federal tax guidance as they develop.
Information is current as of August 13, 2026. Disaster declarations and federal tax guidance can change. Whether you qualify for a casualty-loss deduction depends on your specific storm, location, insurance reimbursement, property basis, income, and other circumstances. Illinois tax treatment may differ from federal treatment.
