Warren County property record for 3959 Irwin Simpson Rd, Mason, OH 45040
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,160 sqft · built 1979 |
| Lot Size | 0.294 acres (12,788 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $91,500 (Jul 1992) |
| Tax Bill | $4,861 (2025) |
| Deeds & Mortgages | Sep 2021 Transfer Sep 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 16-21-302-004-0 |
| Primary APN | 16-21-302-004-0 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Stories | 2 Stories |
| Building Area | 2,160 sqft Living Area |
| Gross Area | 2,602 sqft |
| 1st Floor Area | 312 sqft |
| 2nd Floor Area | 540 sqft |
| Basement Area | 768 sqft |
| Finished Basement | 768 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Lot Area | 12,788 sqft (0.294 acres) |
| Garage Type | Attached |
| Garage Area | 442 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 36 sqft |
| Deck Area | 288 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Heating Fuel | Electric |
| Account Number | 922757 |
|---|---|
| Street Address | 3959 IRWIN SIMPSON RD |
| City | MASON |
| State | OH |
| Zip | 45040-9754 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WOODFIELD SOUTH LOT 60 |
| Legal Subdivision | WOODFIELD SOUTH |
| Legal Block | 57 |
| Legal Lot Number | 60 |
| Jurisdiction | WARREN OH |
| Township / Civil Division | DEERFIELD |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 32006 |
Source: Warren County records, as of February 9, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 3959 IRWIN SIMPSON RD, MASON, OH 45040-9754 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Sep 21, 2021 | Correction Deed |
| Sep 21, 2021 | Transfer on Death Deed, Transfer |
| Sep 21, 2021 | Transfer on Death Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 23, 1992 · Amount on Record |
| Deed Sale | Jul 23, 1992 · Amount on Record |
| Prior Sale | Jul 23, 1992 · Amount on Record |
| Last Transfer Date | Sep 17, 2021 |
| Transfer Doc | 2021042760 |
| Record Updated | Sep 20, 2026 |
| Document Type | Correction Deed |
|---|---|
| Jurisdiction | WARREN OH |
| Recording Date | Sep 21, 2021 |
| Property Address | 3959 IRWIN SIMPSON RD, MASON, OH 45040-9754 |
| Document Number | 2021042759 |
| Map Reference | MB 9 PG 72-74 |
| Instrument Date | Sep 17, 2021 |
| Instrument | 2021-042759 |
| Record Updated | Oct 6, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3959 IRWIN SIMPSON RD, MASON, OH 45040-9754 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | WARREN OH |
| Recording Date | Sep 21, 2021 |
| Property Address | 3959 IRWIN SIMPSON RD, MASON, OH 45040-9754 |
| Document Number | 2021042760 |
| Map Reference | MB 9 PG 72-74 |
| Instrument Date | Sep 17, 2021 |
| Instrument | 2021-042760 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | WARREN OH |
| Recording Date | Sep 21, 2021 |
| Property Address | 3959 IRWIN SIMPSON RD, MASON, OH 45040-9754 |
| Document Number | 0000042760 |
| Map Reference | MB 9 PG 72-74 |
| Instrument Date | Sep 17, 2021 |
| Instrument | 2021-042760 |
| Transaction Type | Transfer |
| Record Updated | Jun 2, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3959 IRWIN SIMPSON RD, MASON, OH 45040-9754 |
Source: Warren County assessment roll, as of February 9, 2026
| 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 | $4,861.00 (-1.78%) | $94,840 (+26.26%) Land $24,500 Building $70,340 | $270,980 (+26.26%) Land $70,000 Building $200,980 |
| 2024 | $4,949.00 (+13.41%) | ||
| 2023 | $4,364.00 (+2.71%) Homeowner's exemption | $75,117 (-) Land $12,915 Building $62,202 | |
| 2022 | $4,249.00 Homeowner's exemption | $75,117 Land $12,915 Building $62,202 | $214,620 (-) Land $36,900 Building $177,720 |
| 2021 | $214,620 Land $36,900 Building $177,720 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 81% 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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