Warren County property record for 3819 Irwin Simpson Rd, Mason, OH 45040
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,028 sqft · built 1979 |
| Lot Size | 0.179 acres (7,809 sqft) |
| Owner | 2 Owner Names on File |
| Last Sale | $120,000 (May 2001) |
| Tax Bill | $4,236 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 16-21-303-011-0 |
| Primary APN | 16-21-303-011-0 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 1,028 sqft Living Area |
| Basement Area | 350 sqft |
| Finished Basement | 350 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Lot Area | 7,809 sqft |
| Garage Type | Attached |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 168 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Heating Fuel | Electric |
| Account Number | 922099 |
|---|---|
| Old Parcel Number | 1621303011 |
| Street Address | 3819 IRWIN SIMPSON RD |
| City | MASON |
| State | OH |
| Zip | 45040-9474 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WOODFIELD SOUTH 1 #5 |
| Legal Subdivision | WOODFIELD SOUTH 1 |
| Legal Block | 303 |
| Legal Lot Number | 5 |
| Jurisdiction | WARREN OH |
| Township / Civil Division | DEERFIELD |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 32006 |
The current owner of 3819 Irwin Simpson Rd bought it in May 2001.
Source: Warren County records, as of February 20, 2026
| Owner of Record | 2 Owner Names on File |
|---|---|
| Mailing Address | 3819 IRWIN SIMPSON RD, MASON, OH 45040-9474 |
| Occupancy | Owner Occupied |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 25, 2001 · Amount on File |
| Deed Sale | May 25, 2001 · Amount on File |
| Deed Document Number | 0002177944 |
| Deed Book / Page | 2177 / 944 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 3819 Irwin Simpson Rd was $4,236.
Source: Warren County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | Ohio |
| County | Warren County |
| County Subdivision | Deerfield Township |
| Unified School District | Kings Local School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,236.00 | $80,840 Land $24,500 Building $56,340 | $230,970 Land $70,000 Building $160,970 |
| 2023 | $3,740.00 (+2.89%) | $62,832 (-) Land $12,915 Building $49,917 | |
| 2022 | $3,635.00 | $62,832 Land $12,915 Building $49,917 | $179,520 (-) Land $36,900 Building $142,620 |
| 2021 | $179,520 Land $36,900 Building $142,620 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3819 Irwin Simpson Rd in Zone X, an area of minimal flood risk, within 500 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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 1 (2014) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 2014 · rainfall accumulation |
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 3819 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 95% of the US · lower than 78% 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | WARREN COUNTY serves 99,000 people · EPA ID OH8301512 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2025 |
| Lead | 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 405 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 |
| AT&T Fixed Wireless | 100 / 20 |
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