Warren County property record for 5798 Irwin Simpson Rd, Mason, OH 45040 · Last verified April 2026
| Property Type | Agriculture / Farming > Farm - Irrigated or Dry |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1986 |
| Square Footage | 3,498 sqft Gross Area |
| Lot Size | 590,783 sqft (13.5 acres) |
| Garage | 576 sqft |
| Last Sale | $223,833 (2011) |
| Tax Bill | $6,636.00 (2024) |
| Primary APN | 16-33-300-138-0 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Building Area | 3,498 sqft Gross Area |
| 1st Floor | 1,658 sqft 1st Floor |
| 2nd Floor | 864 sqft 2nd Floor |
| Family Room | Family Room |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1800 |
|---|---|
| Effective Year Built | Effective 1986 |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Frame Construction |
| Lot Area | 590,783 sqft (13.5 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 576 sqft Garage |
| Patio Area | 930 sqft Patio |
|---|---|
| Porch Area | 136 sqft Porch |
| Grainery | 832 sqft Grainery |
| Lean-To | 636 sqft Lean-To |
| Poultry House | 784 sqft Poultry House |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Heating Fuel | Oil Heating Fuel |
| Account Number | 805785 |
|---|---|
| Street Address | 5798 IRWIN SIMPSON RD |
| City | MASON |
| State | OH |
| Zip | 45040-9739 |
| Property Usage | Agriculture or Farming Property Usage |
| Type | Agriculture / Farming > Farm - Irrigated or Dry |
| Legal Description | IRWIN-SIMPSON |
| Legal Range | 2 |
| Legal Township | 4 |
| Legal Section | 33 |
| Legal Subdivision | IRWIN-SIMPSON |
| Legal Block | 85 |
| Jurisdiction | WARREN OH |
| Minor Civil Division | DEERFIELD |
| Census Blockgroup | 1 |
| Census Block | 1020 |
| Census Tract | 32009 |
Source: Warren County records · APN 16-33-300-138-0
Assessment roll updated February 9, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5798 IRWIN SIMPSON RD, MASON, OH 45040-9739 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 14, 2011 · Amount on Record |
| Deed Sale | Jan 14, 2011 · Amount on Record |
| Prior Sale | Aug 12, 1987 · Amount on Record |
| Deed Doc Number | 2011811334 |
| Deed Book / Page | 5255 / 171 |
| Prior Transfer Date | Dec 29, 2010 |
| Prior Transfer Doc | 0052580679 |
| Record Refreshed | Jun 08, 2026 |
Source: Warren County records · Assessment roll updated February 9, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Ohio |
| County | Warren County |
| County Subdivision | Deerfield Township |
| Unified School District | Mason City School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,587.00 (-0.74%) Additional exemption filed | $165,660 (-29.58%) Land $71,160 Building $94,500 | $912,250 (+35.73%) Land $642,250 Building $270,000 |
| 2024 | $6,636.00 (+6.45%) | ||
| 2023 | $6,234.00 (+1.76%) Homeowner's exemption | $235,242 (-) Land $151,214 Building $84,028 | |
| 2022 | $6,126.00 Homeowner's exemption | $235,242 Land $151,214 Building $84,028 | $672,120 (-) Land $432,040 Building $240,080 |
| 2021 | $672,120 Land $432,040 Building $240,080 |
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