Warren County property record for 5904 Irwin Simpson Rd, Mason, OH 45040
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,870 sqft · built 1964 |
| Lot Size | 3 acres (130,680 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $250,000 (Jul 2015) |
| Tax Bill | $6,551 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 16-33-300-008-0 |
| Primary APN | 16-33-300-008-0 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 1,870 sqft Living Area |
| 1st Floor Area | 1,870 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Exterior Material | Brick/Stone |
| Construction Type | Brick |
| Foundation Type | Block |
| Lot Area | 130,680 sqft (3 acres) |
| Garage Type | Attached |
| Garage Area | 506 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 24 sqft |
| Stable | 300 sqft |
| Pole Barn | 3,600 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Heating Fuel | Electric |
| Account Number | 807273 |
|---|---|
| Old Parcel Number | 1633300008 |
| Street Address | 5904 IRWIN SIMPSON RD |
| City | MASON |
| State | OH |
| Zip | 45040-9739 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 2 -4-33 3.0000 AC. |
| Legal Range | 02 |
| Legal Township | 04 |
| Legal Section | 33 |
| Legal Subdivision | DEERFIELD |
| Legal Block | 300 |
| Jurisdiction | WARREN OH |
| Township / Civil Division | DEERFIELD |
| Census Block Group | 1 |
| Census Block | 1034 |
| Census Tract | 32009 |
5904 Irwin Simpson Rd is owned and occupied by two individuals who bought it in July 2015.
Source: Warren County records, as of February 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5904 IRWIN SIMPSON RD, MASON, OH 45040-9739 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 24, 2015 · Amount on File |
| Deed Sale | Jul 24, 2015 · Amount on File |
| Deed Document Number | 0001681930 |
| Deed Book / Page | 1681 / 930 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 5904 Irwin Simpson Rd was $6,551.
Source: Warren County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | Ohio |
| County | Warren County |
| County Subdivision | Deerfield Township |
| Unified School District | Mason City School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,551.00 | $153,780 Land $65,100 Building $88,680 | $439,370 Land $186,000 Building $253,370 |
| 2023 | $6,312.00 (+1.77%) Homeowner's exemption | $121,461 (-) Land $43,050 Building $78,411 | |
| 2022 | $6,202.00 Homeowner's exemption | $121,461 Land $43,050 Building $78,411 | $347,030 (-) Land $123,000 Building $224,030 |
| 2021 | $347,030 Land $123,000 Building $224,030 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 5904 Irwin Simpson Rd in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective June 25, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 5904 Irwin Simpson Rd is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 68% of Ohio |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 57 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| altafiber Network Solutions Fiber | 3,000 / 3,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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