Homeowners Guide

Property Tax Savings in Lake County, Indiana

This guide explains how property taxes are calculated in Lake County, Indiana, which deductions and relief programs homeowners most often miss, and how to check in about a minute whether you are overpaying.

At a glance

Here’s the short version for homeowners in Northwest Indiana: your bill is built from your home’s assessed value, minus the deductions you’ve claimed, times your tax district’s rate, and it’s capped by state law.

How it’s calculated: the county assesses your home at its market value, applies the deductions you’ve claimed, then multiplies the rest by your district’s certified rate.
The cap: Indiana’s property tax cap generally limits homestead property taxes to 1% of the home’s gross assessed value, although voter-approved referendum charges may fall outside the cap.
The big deduction: For taxes due in 2026, qualifying homeowners may receive a $48,000 standard homestead deduction, plus a supplemental homestead deduction equal to 40% of the remaining assessed value.
Seniors 65+ may qualify for an extra income-based deduction; veterans with a service-connected disability may qualify too.
The catch: Some property tax deductions require homeowners to apply, while others may be applied automatically once eligibility is established. For example, the Supplemental Homestead Deduction and the 2026 Supplemental Homestead Credit are applied automatically for qualifying homesteads. Homeowners should verify their deductions and credits with the Lake County Auditor and confirm that the information on their property record and tax bill is correct.
This guide covers homeowners in Munster, Highland, Schererville, Dyer, St. John, Crown Point, Hammond, Griffith, Cedar Lake, and Lowell.

Part 1

How Your Property Tax Is Actually Calculated

In Indiana, the county assesses your home, and assessed value tracks market value. Think of it in four steps: the county puts a value on your home, the deductions you’ve claimed are subtracted, the leftover, called your net assessed value, gets multiplied by your tax district’s certified rate, and then state law caps the final bill.

The certified rate varies by township and tax district across the county. Schools, townships, and libraries each carry their own piece of the rate, so two similar homes in different districts can have very different bills.

Then the circuit breaker, Indiana’s property tax cap, generally limits property taxes to 1% of gross assessed value for a homestead, 2% for other residential property and agricultural land, and 3% for other property. Voter-approved referendum charges may fall outside these caps.

Example: $300,000 Assessed Home

For taxes due in 2026, a qualifying homestead with an assessed value of $300,000 could receive a $48,000 standard homestead deduction, reducing the assessed value to $252,000. The 40% supplemental homestead deduction would then reduce that amount by another $100,800, leaving a net assessed value of approximately $151,200 before other applicable deductions, credits, tax rates, and tax caps are considered.

Property tax cap: Indiana’s property tax cap generally limits homestead property taxes to 1% of the property’s gross assessed value, although voter-approved referendum charges may fall outside the cap. The cap is a maximum, not the amount every homeowner will pay.

Where you land depends on your exact tax district and the deductions you actually filed, which is exactly why your own bill is worth checking.

Part 2

Deductions and Relief Programs Worth Checking

These are the programs that quietly save homeowners the most, and the ones that get skipped the most.

Homestead Deduction

Not automatic

The standard homestead deduction removes up to $48,000 of assessed value, plus a supplemental homestead deduction equal to 40% of the remaining assessed value. You file it with the county assessor, and both first-time buyers and longtime owners miss it.

Senior Homeowners (65+)

Not automatic

Homeowners 65 and older may qualify for an additional income-based homestead deduction. Amounts and income limits are updated by legislation, so confirm this year’s figures with the county assessor’s office.

Veterans

Not automatic

Veterans with a service-connected disability, and some surviving spouses, may qualify for a deduction or exemption. Amounts are set by state law, so confirm current amounts with the county assessor.

The one thing to remember

Some property tax deductions require homeowners to apply, while others may be applied automatically once eligibility is established. For example, the Supplemental Homestead Deduction and the 2026 Supplemental Homestead Credit are applied automatically for qualifying homesteads. Homeowners should verify their deductions and credits with the Lake County Auditor and confirm that the information on their property record and tax bill is correct. Whether you’re claiming everything you qualify for is worth a quick check, and I can help check at no cost, with no obligation.

New for 2026: Supplemental Homestead Credit

Beginning with property taxes due in 2026, homeowners who qualify for the standard homestead deduction are also eligible for a supplemental homestead credit. The credit is equal to 10% of the property tax liability on the homestead, up to a maximum credit of $300. This is a credit against the tax bill, rather than a deduction from assessed value.

Part 3

Why Your Bill Can Go Up Even When They Announce a Rate Decrease

The rate (per $100) and your assessed value are two separate numbers, and both move every year. When the county announces it lowered the rate, it sounds like a bill decrease, but that’s only half the story.

If your assessment rises, whether from a market upswing, a reassessment, or higher comparable sales, your taxable value goes up even when the certified rate drops. And if you sit right at the 1% cap, your bill only moves when your assessed value moves. So a lower rate does not automatically mean a lower bill, and in some years, both move together in the wrong direction.

The 1-Minute Check

Find Out If You’re Overpaying On Your Property Taxes.

Answer a few quick questions and I’ll give you an estimate in about a minute. No obligation, and your info goes straight to me.

Liz Rytel Mudroncik

Realtor® · Better Homes & Gardens Connections

Licensed in Indiana · #17001472

Step 1 of 4

Common Questions

Property Tax Questions, Answered

What does assessed value mean?

Assessed value is the value the county puts on your home for tax purposes. It tracks market value, though it is not exactly the same as what a buyer would pay. You can find it on your assessment notice or your tax bill.

How can I check if I'm already receiving an exemption?

Your assessment notice and your tax bill both show what deductions and exemptions are applied to your property. Or just ask me, I can pull the county record for you and tell you exactly what you are claiming.

When are my property taxes due?

Lake County property taxes are typically split into two installments, due around May 10 in the spring and November 10 in the fall. Confirm the exact dates for your bill with the county treasurer.

Can I appeal my assessment?

Yes. After you receive your assessment notice, you can appeal to the county board of assessment review by the deadline, and if needed, continue to the state board and tax court. Deadlines are strict, so act quickly if you want to appeal.

Where do I find my assessed value?

Start with your assessment notice or tax bill. You can also look it up in the county's online property search, or just ask me and I'll pull it for you.

Do exemptions need to be re-applied each year?

The standard homestead deduction, once granted, stays in force as long as you own and live in the home. Some income-based credits may need re-certification. If you move or your situation changes, tell the assessor so your bill stays accurate.

This page provides general information only and is not tax, legal, or financial advice. Program eligibility and amounts change through legislation. Confirm current rates and deadlines with the county assessor and treasurer.

Still not sure if you’re overpaying?

It takes one minute to check, and it could save you every year from here on. I’ll walk you through what you’re claiming and what you might be missing, at no cost and with no pressure.

Call or text me anytime at (219) 670-3704 or email relizstate@gmail.com.

Or Contact Liz