Warren County property record for 3510 Irwin Simpson Rd, Mason, OH 45040 · Last verified April 2026
| Property Type | Commercial Office |
|---|---|
| Details | 7,412 sqft · built 2004 |
| Lot Size | 0.891 acres (38,829 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $725,000 (May 2019) |
| Tax Bill | $17,759 (2025) |
| Deeds & Mortgages | May 2019 Sale Jul 2017 Loan Modification + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 16-21-177-043-0 |
| Primary APN | 16-21-177-043-0 |
|---|---|
| Alternative APNs |
|
| Plumbing Fixtures | 8 Plumbing Fixtures |
|---|---|
| Stories | 1 Story |
| Building Area | 7,412 sqft Gross Area |
| 1st Floor Area | 7,412 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2011 |
| Construction Type | Brick |
| Lot Area | 38,829 sqft (0.891 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 927031 |
|---|---|
| Street Address | 3510 IRWIN SIMPSON RD |
| City | MASON |
| State | OH |
| Zip | 45040-9744 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | IRWIN-SIMPSON |
| Legal Range | 2 |
| Legal Township | 4 |
| Legal Section | 21 |
| Legal Subdivision | IRWIN-SIMPSON |
| Legal Block | 31 |
| Jurisdiction | WARREN OH |
| Township / Civil Division | DEERFIELD |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 32003 |
Source: Warren County records · APN 16-21-177-043-0
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 Company Names on File |
|---|---|
| Mailing Address | 3510 IRWIN SIMPSON RD, R, MASON, OH 45040-9744 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| May 21, 2019 | Warranty Deed, Transfer AMERICAN HOMELAND TITLE |
| Jul 26, 2017 | Loan Modification, Mortgage · Line of Credit HUNTINGTON NAT'L BK |
| May 03, 2017 | Deed of Trust, Mortgage · Line of Credit HUNTINGTON NAT'L BK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 21, 2019 · Amount on Record |
| Deed Sale | May 21, 2019 · Amount on Record |
| Prior Sale | Oct 02, 2002 · Amount on Record |
| Deed Document Number | 201912933 |
| Prior Transfer Date | Apr 28, 2003 |
| Prior Transfer Doc | 0030520274 |
| Record Updated | Jun 08, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WARREN OH |
| Recording Date | May 21, 2019 |
| Property Address | 3510 IRWIN SIMPSON RD, MASON, OH 45040-9744 |
| Document Number | 0000012933 |
| Instrument Date | May 15, 2019 |
| Instrument | 12933 |
| Transaction Type | Transfer |
| Record Updated | Jun 06, 2019 |
| Title Company | AMERICAN HOMELAND TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $2,175.00 |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 3510 IRWIN SIMPSON RD MASON OH 450409744, MASON, OH 45040-9744 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | WARREN OH |
| Recording Date | Jul 26, 2017 |
| Property Address | 3510 IRWIN SIMPSON RD, MASON, OH 45040-9744 |
| Instrument Date | Jun 26, 2017 |
| Instrument | 22652 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 3510 IRWIN SIMPSON RD MASON OH 450409744, MASON, OH 45040-9744 |
| Document Number | 0000022652 |
|---|---|
| Date | Jul 26, 2017 |
| Instrument | 22652 |
| Name | HUNTINGTON NAT'L BK |
|---|---|
| Type | Bank |
| Address | PO BOX BOX 341470, COLUMBUS, OH 43234 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WARREN OH |
| Property Address | 3510 IRWIN SIMPSON RD, MASON, OH 45040-9744 |
| Document Number | 0000013568 |
| Instrument Date | May 03, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 25, 2018 |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 3510 IRWIN SIMPSON RD MASON OH 450409744, MASON, OH 45040-9744 |
| Document Number | 0000013568 |
|---|---|
| Date | May 04, 2017 |
| Instrument | 13568 |
| Name | HUNTINGTON NAT'L BK |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43234-9909 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | Kings Local School District (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $17,759.00 (-0.63%) | $248,110 (+0.51%) Land $37,370 Building $210,740 | $708,880 (+0.51%) Land $106,780 Building $602,100 |
| 2024 | $17,871.00 (-3.22%) | ||
| 2023 | $18,466.00 (+0.96%) | $246,848 (-) Land $37,373 Building $209,475 | |
| 2022 | $18,290.00 | $246,848 Land $37,373 Building $209,475 | $705,280 (-) Land $106,780 Building $598,500 |
| 2021 | $705,280 Land $106,780 Building $598,500 |
Source: FEMA National Flood Hazard Layer, Warren County (39165C), updated June 25, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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