O'Fallon, Illinois seller net sheet calculator
Closing costs, transfer taxes and who pays what when selling a home in O'Fallon, Illinois (St. Clair County). The calculator applies the local rates for you.
- Median home value
- $274,100
- Transfer tax on $275,000
- $413
- Seller costs on $275,000
- About $17,370
- Median property tax bill
- $5,759 a year
- County
- St. Clair County
- Population
- 32,169
O'Fallon transfer tax
On a $275,000 sale in O'Fallon, transfer taxes come to $413: State real estate transfer tax and County real estate transfer tax. By custom the seller pays it.
| Tax | Rate | Paid by | On $275,000 |
|---|---|---|---|
| State real estate transfer tax | $0.50 per $500 | Seller | $275 |
| County real estate transfer tax | $0.25 per $500 | Seller | $137.50 |
| Sale price | Seller pays | Buyer pays | Total |
|---|---|---|---|
| $250,000 | $375 | $0 | $375 |
| $275,000 local median value | $412.50 | $0 | $412.50 |
| $500,000 | $750 | $0 | $750 |
| $1,000,000 | $1,500 | $0 | $1,500 |
Example O'Fallon seller net sheet
A $275,000 sale, close to O'Fallon's median home value of $274,100, with a 5% commission and a $165,000 mortgage payoff. Seller costs come to about $17,370, or 6.3% of the price.
| Line | Seller |
|---|---|
| Sale price | $275,000 |
| First mortgage payoff | −$165,000 |
| Real estate commission (5%) | −$13,750 |
| State real estate transfer tax | −$275 |
| County real estate transfer tax | −$137.50 |
| Owner's title insurance policy | −$1,200 |
| Settlement / closing fee | −$600 |
| Seller's attorney fee | −$700 |
| Survey | −$550 |
| Release / satisfaction recording | −$107 |
| Wire / courier / payoff processing | −$50 |
| Estimated net before property tax prorations | $92,630.50 |
Who pays what in O'Fallon
O'Fallon closings follow St. Clair County customs. In St. Clair County, the seller customarily pays the owner's title policy. The settlement fee is paid by each side for its own closing. Closings are usually handled by an attorney, and each side normally has its own attorney.
Property taxes in O'Fallon
The median property tax bill for homeowners in O'Fallon is $5,759 a year, about 2.1% of the median home value of $274,100 (Census Bureau American Community Survey, 2019-2023). Taxes here are paid in arrears, so at closing the bill is prorated between buyer and seller to the closing date. Taxes are paid a year in arrears (Cook County installments Mar 1 and Aug 1 for the prior year); the seller credits the buyer for the prior year if unpaid plus Jan 1 through closing, customarily at 105%-110% of the last bill.
Rates verified 2026-09-30. Home value and tax bill: Census Bureau American Community Survey, 2019–2023. A net sheet is an estimate; final figures come from the title company.
O'Fallon seller questions
How much is the transfer tax in O'Fallon, Illinois?
On a $275,000 sale in O'Fallon, transfer taxes come to $413: State real estate transfer tax and County real estate transfer tax. By custom the seller pays it.
How much are seller closing costs in O'Fallon?
On a $275,000 sale, close to the median home value in O'Fallon, with a 5% commission, estimated seller costs are about $17,370 (6.3% of the price). Without commission they are about $3,620. The loan payoff and property tax proration change the final number.
What county is O'Fallon in, and does it matter at closing?
O'Fallon is in St. Clair County, Illinois. County and state rules set the transfer taxes and recording fees, and local custom decides who pays for title and closing. In St. Clair County, the seller customarily pays the owner's title policy. The settlement fee is paid by each side for its own closing.
How much are property taxes in O'Fallon?
The median property tax bill for homeowners in O'Fallon is $5,759 a year, about 2.1% of the median home value of $274,100 (Census Bureau American Community Survey, 2019-2023). Taxes here are paid in arrears, so at closing the bill is prorated between buyer and seller to the closing date. Taxes are paid a year in arrears (Cook County installments Mar 1 and Aug 1 for the prior year); the seller credits the buyer for the prior year if unpaid plus Jan 1 through closing, customarily at 105%-110% of the last bill.
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