Property tax in Dearborn County, Indiana
In Dearborn County, the property tax bill comes from the Dearborn County Treasurer. The 2025 pay 2026 bill is paid in 2 installments, and the next one is due November 10, 2026. You can look up and pay the bill on the county's own payment page. Taken from Dearborn County's own pages, checked September 23, 2026.
The median property tax bill in Dearborn County, Indiana is $1,789 a year, which is about 0.74% of the county's median home value of $243,400. That effective rate is higher than the typical Indiana county (0.66%) and lower than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.
Who sends the property tax bill in Dearborn County, and how do you pay it?
The bill comes from the Dearborn County Treasurer. The value it is based on is set by a separate office, the Dearborn County Assessor, which is who to ask if the value looks wrong. For how to look up and pay the bill, go to the county's own payment information.
The Dearborn County Treasurer mails one bill a year, in the spring (by April 15), covering both installments; if yours does not arrive, you can print a copy online or call the office, and a missing bill does not excuse a penalty. Indiana bills a year in arrears: the 2025 assessment is taxed in two installments during 2026. The Dearborn County Assessor values property and takes appeals. Online and phone payments go through the county's payment site: cards carry a 2.25% fee ($2.95 minimum) and e-checks a flat $0.65 fee. Mailed payments go to Dearborn County Treasurer, 165 Mary Street, Lawrenceburg, IN 47025; do not leave cash in the drop box.
When are property taxes due in Dearborn County?
For the 2025 pay 2026 bill, Dearborn County splits the bill into 2 payments, the first due May 11, 2026 and the last November 10, 2026. The next one due is the fall installment, on November 10, 2026. An installment paid within 30 days after the due date carries a 5% penalty on the unpaid tax, as long as there are no earlier unpaid taxes on the property. After 30 days the penalty is 10%, and if earlier taxes are unpaid the 10% penalty applies right after the due date.
| Payment | Due | Note |
|---|---|---|
| Spring installment | May 11, 2026 (passed) | Indiana taxes are due May 10 and November 10; May 10, 2026 was a Sunday, so the spring installment was due Monday, May 11. |
| Fall installment | November 10, 2026 | November 10, 2026 is a Tuesday. A mailed payment is on time if it is postmarked by November 10; metered mail must arrive within 5 business days of the due date. The green drop box outside the main entrance of the County Administration Building takes payments until 11:59 p.m. on the due date. Online and phone payments are timestamped when submitted, and a payment submitted after 11:59 p.m. on the due date is late. |
From Dearborn County's published schedule, checked September 23, 2026. If a date falls on a weekend or holiday, the county's own rules on the next business day apply.
Estimate the property tax on a home in Dearborn County
Enter a home's market value for a ballpark at Dearborn County's average effective rate of 0.74% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.
Estimated property tax: $1,801 / year
Property tax in Dearborn County at a glance
| Measure | Value |
|---|---|
| Median annual property tax | $1,789 |
| Median home value | $243,400 |
| Effective tax rate | 0.74% |
| Typical Indiana county rate | 0.66% |
| National median county rate | 0.81% |
Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.
How does Dearborn County compare in Indiana?
Among Indiana's 92 counties, Dearborn County has the 24th highest effective property-tax rate: 23 rank higher and 68 rank lower. That is on the higher side for Indiana. Nationally, it ranks 1752nd of 3135 US counties by effective rate. See every Indiana county ranked.
How much do homeowners in Dearborn County actually pay?
The median is only the middle bill. Across Dearborn County's 17,287 owner-occupied homes, 17.4% pay $3,000 or more a year in property tax, 40% pay at least $2,000, and 12.3% pay under $800. Another 2.2% report paying no property tax at all, which usually means an exemption covers the whole bill.
| Annual bill | Homes | Share |
|---|---|---|
| Under $800 | 2,133 | 12.3% |
| $800 to $1,499 | 4,219 | 24.4% |
| $1,500 to $1,999 | 3,634 | 21% |
| $2,000 to $2,999 | 3,913 | 22.6% |
| $3,000 or more | 3,008 | 17.4% |
| No property tax paid | 380 | 2.2% |
Owners with a mortgage pay a median of $1,806 and owners without one pay $1,763. That is within 10% either way, so in Dearborn County paying off the house does not go with a noticeably different bill. Census table B25103.
How does the Dearborn County property tax bill compare with local incomes?
The median property tax bill of $1,789 is about 1.9% of the median income of Dearborn County homeowner households, $93,449 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 85.2% of Dearborn County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.
Have property taxes gone up in Dearborn County?
Yes. The median bill went from $1,400 in 2015-2019 to $1,789 in 2020-2024, a 27.8% rise. Over the same span the median home value moved 42.8%, from $170,400 to $243,400. Bills rose more slowly than values, which is what assessment caps and falling millage rates do: the county is taxing a smaller share of each home's worth.
Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.
Property tax in counties next to Dearborn County
Dearborn County borders 6 counties, 3 of them across the state line.
| County | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Hamilton County, OH | 1.51% | $3,652 | $241,900 |
| Butler County, OH | 1.22% | $3,141 | $258,500 |
| Boone County, KY | 0.86% | $2,372 | $277,300 |
| Dearborn County, IN (this county) | 0.74% | $1,789 | $243,400 |
| Ohio County, IN | 0.61% | $1,305 | $213,100 |
| Franklin County, IN | 0.59% | $1,479 | $249,500 |
| Ripley County, IN | 0.56% | $1,250 | $222,500 |
How is a home assessed in Dearborn County?
Indiana assesses homes at 100% of market value in every county, Dearborn County included. How Indiana assesses and reappraises homes.
Is there a homestead exemption in Dearborn County?
Yes, but it is shrinking. Indiana's homestead standard deduction is $40,000 for assessment year 2026 and reaches $0 from 2030; a bill paid in 2026 reflects the $48,000 figure. That is the Indiana rule, and it applies in Dearborn County. Indiana's exemptions and relief programs in full.
Dearborn County does not add relief programs of its own beyond the Indiana ones (checked September 23, 2026).
How to appeal your Dearborn County property assessment
In Dearborn County you appeal to the Dearborn County Property Tax Assessment Board of Appeals (PTABOA). The deadline: The 2026 notices of assessment were mailed April 24, 2026, so the deadline to appeal the 2026 assessment was June 15, 2026, and it has passed. File Form 130 and Form 134 with the Dearborn County Assessor. When a notice of assessment is mailed on or after May 1, state law sets the deadline at June 15 of the year the tax bill is mailed. A board decision can be appealed to the Indiana Board of Tax Review on Form 131. How to file. Checked September 23, 2026 against the official appeal rules.
How Indiana's appeal process works, including the next level if the first one turns you down.
Indiana rules from primary state sources, reviewed September 7, 2026; sources on the Indiana page.
Work out your own numbers
-
How much house can I afford?
Your income, debts and down payment against the 28/36 rule lenders actually use, with Dearborn County's tax rate to hand.
-
Mortgage calculator
Monthly payment with principal, interest, tax and insurance, plus what an extra payment saves you.
-
Indiana income tax
Brackets, standard deduction and what Indiana actually taxes.
-
Sales tax in Dearborn County
The other local tax: combined state and local rate for this county.
Sources
- Median real estate taxes paid and median home value for Dearborn County, Indiana: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.