3660 Irwin Simpson Rd, Mason, OH 45040 Property Records

Warren County property record for 3660 Irwin Simpson Rd, Mason, OH 45040

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,568 sqft · built 1978
Lot Size	0.199 acres (8,675 sqft)
Owner	2 Individual Names on File
Last Sale	$165,000 (Dec 2016)
Tax Bill	$4,065 (2025)
Deeds & Mortgages	Nov 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`16-21-331-003-0`

Property Details

APN / Parcel Number

Primary APN	`16-21-331-003-0`
Alternative APNs	`1621331003` `0920967` `920967`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	7 Plumbing Fixtures
Building Area	1,568 sqft Living Area
1st Floor Area	68 sqft
Basement Area	500 sqft
Finished Basement	500 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Architectural Style	Bi-Level
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Lot Area	8,675 sqft (0.199 acres)
Deck Area	140 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Heat Pump
Heating Fuel	Electric

Location & Zoning

Account Number	920967
Street Address	3660 IRWIN SIMPSON RD
City	MASON
State	OH
Zip	45040-9472
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRAILS LOT 1
Legal Subdivision	TRAILS
Legal Block	67
Legal Lot Number	1
Jurisdiction	WARREN OH
Township / Civil Division	DEERFIELD
Census Block Group	2
Census Block	2004
Census Tract	32003

Owner

3660 Irwin Simpson Rd is owned and occupied by two individuals who bought it in December 2016.

Source: Warren County records, as of February 9, 2026

Owner of Record	2 Individual Names on File
Mailing Address	3660 IRWIN SIMPSON RD, MASON, OH 45040-9472
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 29, 2016 · Amount on File
Deed Sale	Dec 29, 2016 · Amount on File
Prior Sale	Oct 24, 2008 · Amount on File
Deed Document Number	201640511
Prior Transfer Date	May 15, 2009
Prior Transfer Doc	0048880155
Record Updated	Jun 8, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WARREN OH
Property Address	3660 IRWIN SIMPSON RD, MASON, OH 45040-9472
Document Number	0000050095
Instrument Date	Nov 21, 2020
Transaction Type	Mortgage
Record Updated	Feb 23, 2021
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	3660 IRWIN SIMPSON RD MASON OH 450409472, MASON, OH 45040-9472

Mortgage

Document Number	0000050095
Date	Dec 9, 2020
Instrument	50095

Lender

Name	BAYSHORE MTG FNDG
Type	Mortgage Company
Address	LUTHERVILLE TIMONIUM, MD 21093

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 8, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 3660 Irwin Simpson Rd was $4,065, down 1.8% from the year before.

Source: Warren County assessment roll, as of February 9, 2026

Property Jurisdictions

Type	Name
State	Ohio
County	Warren County
County Subdivision	Deerfield Township
Unified School District	Kings Local School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,065.00 (-1.76%)	$79,130 Land $24,500 Building $54,630	$226,080 Land $70,000 Building $156,080
2024	$4,138.00 (+15.85%)
2023	$3,572.00 (+2.97%) Homeowner's exemption	$61,338 (-) Land $12,915 Building $48,423
2022	$3,469.00 Homeowner's exemption	$61,338 Land $12,915 Building $48,423	$175,250 (-) Land $36,900 Building $138,350
2021			$175,250 Land $36,900 Building $138,350

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.

Flood

FEMA maps place 3660 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	9 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

Wildfire risk around 3660 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 96% of the US · lower than 81% of Ohio
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 280 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