4850 Gemstone Ct, Mason, OH 45040 Property Records

Warren County property record for 4850 Gemstone Ct, Mason, OH 45040

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,290 sqft · built 2003
Lot Size	0.373 acres (16,291 sqft)
Owner	2 Owner Names on Record
Last Sale	$367,366 (Dec 2003)
Tax Bill	$7,481 (2025)
Deeds & Mortgages	Oct 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`12-25-490-005-0`

Property Details

APN / Parcel Number

Primary APN	`12-25-490-005-0`
Alternative APNs	`1225490005` `1132491`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	13 Plumbing Fixtures
Stories	2 Stories
Building Area	3,290 sqft Living Area
2nd Floor Area	1,408 sqft
Basement Area	600 sqft
Finished Basement	600 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2003
Exterior Material	Aluminum/Vinyl
Construction Type	Wood Frame
Foundation Type	Concrete
Lot Area	16,291 sqft (0.373 acres)
Garage Area	294 sqft
Parking Spaces	1 Parking Space
Deck Area	320 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air
Heating Fuel	Gas

Location & Zoning

Account Number	1132491
Old Parcel Number	1225490005
Street Address	4850 GEMSTONE CT
City	MASON
State	OH
Zip	45040-3307
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	WEATHERSTONE 2 LOT# 50
Legal Subdivision	WEATHERSTONE 2
Legal Block	490
Legal Lot Number	50
Jurisdiction	WARREN OH
Township / Civil Division	MASON
Census Block Group	2
Census Block	2029
Census Tract	31905

Owner

Source: Warren County records, as of February 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Owner Names on Record
Mailing Address	4850 GEMSTONE CT, MASON, OH 45040-3307
Occupancy	Owner Occupied

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 3, 2003 · Amount on Record
Deed Sale	Dec 3, 2003 · Amount on Record
Prior Sale	Aug 29, 2003 · Amount on Record
Deed Document Number	446646
Deed Book / Page	3368 / 283
Record Updated	Jun 8, 2026

October 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WARREN OH
Property Address	4850 GEMSTONE CT, MASON, OH 45040-3307
Document Number	0000034928
Instrument Date	Oct 26, 2018
Transaction Type	Mortgage
Record Updated	Dec 27, 2018
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	4850 GEMSTONE CT MASON OH 450403307, MASON, OH 45040-3307

Mortgage

Document Number	0000034928
Date	Dec 7, 2018
Instrument	34928

Lender

Name	FIFTH THIRD BK
Type	Bank
Address	CINCINNATI, OH 45263

Agreement

Type	Conventional with PMI
Amount	Amount Recorded
Term	360 Months
Due	Dec 6, 2048

Tax Assessment & Valuation

Source: Warren County assessment roll, as of August 1, 2025

Property Jurisdictions

Type	Name
State	Ohio
County	Warren County
Municipality	Mason City
Unified School District	Mason City School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$7,481.00 (+12.26%)	$185,262 (+33.53%) Land $49,000 Building $136,262	$529,320 (+33.54%) Land $140,000 Building $389,320
2023	$6,664.00 (+1.31%) Homeowner's exemption	$138,737 (-) Land $30,800 Building $107,937
2022	$6,578.00 Homeowner's exemption	$138,737 Land $30,800 Building $107,937	$396,390 (-) Land $88,000 Building $308,390
2021			$396,390 Land $88,000 Building $308,390

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

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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	CINCINNATI PUBLIC WATER SYSTEM serves 800,000 people · EPA ID OH3102612
Water Source	Surface water
Last State Inspection	Dec 2024
Lead	2 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	None 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 287 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
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Verizon.

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