421 Mill St, Greenfield, OH 45123 Property Records

Highland County property record for 421 Mill St, Greenfield, OH 45123 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 942 sqft · built 1947
Lot Size	0.141 acres (6,142 sqft)
Owner	Individual Name on File
Last Sale	$22,000 (Aug 2008)
Tax Bill	$417 (2025)
Flood Zone	Zone X (minimal risk)
APN	`27-01-001-018.00`

Property Details

APN / Parcel Number

Primary APN	`27-01-001-018.00`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	942 sqft Living Area
1st Floor Area	942 sqft

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Architectural Style	Conventional
Exterior Material	Aluminum Siding
Construction Type	Wood
Foundation Type	No Foundation
Lot Area	6,142 sqft (0.141 acres)
Lot Dimensions	150 ft deep x 41 ft wide
Garage Type	Mixed
Garage Area	800 sqft
Parking Spaces	6 Parking Spaces

Exterior Amenities

Porch	Slab
Porch Area	144 sqft
Patio Area	100 sqft
Canopy	580 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Heating Fuel	Gas

Location & Zoning

Street Address	421 MILL ST
City	GREENFIELD
State	OH
Zip	45123-9708
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	COWMAN & HEIDI I/L 30
Legal Subdivision	COWMAN & HEIDINGSFELD SUBDIVISION
Legal Lot Number	30
Jurisdiction	HIGHLAND OH
Township / Civil Division	MADISON
Census Block Group	1
Census Block	1048
Census Tract	954400

Owner

Source: Highland County records · APN 27-01-001-018.00

Assessment roll updated April 21, 2026 · Last verified July 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 File
Mailing Address	421 MILL ST, GREENFIELD, OH 45123-9708
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 29, 2008 · Amount on Record
Deed Sale	Aug 29, 2008 · Amount on Record
Prior Sale	Jul 18, 2008 · Amount on Record
Deed Document Number	20084916
Deed Book / Page	713 / 986
Prior Transfer Date	Sep 07, 2007
Prior Transfer Doc	684/825
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Highland County records · Assessment roll updated April 21, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Ohio
County	Highland County
County Subdivision	Madison Township
Municipality	Greenfield Village
Unified School District	Greenfield Exempted Village School District (PK - 12)

Tax Bill & Assessment History

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	$417.00 (+5.04%)	$9,100 (-) Land $3,360 Building $5,740	$26,000 (-) Land $9,600 Building $16,400
2024	$397.00 (+76.44%)	$9,100 (+41.3%) Land $3,360 Building $5,740	$26,000 (+41.3%) Land $9,600 Building $16,400
2023	$225.00 (-5.06%) Homeowner's exemption	$6,440 (-) Land $2,870 Building $3,570
2022	$237.00 Homeowner's exemption	$6,440 Land $2,870 Building $3,570
2021			$18,400 Land $8,200 Building $10,200

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Highland County (39071C), updated November 18, 2021 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No

Wildfire

Wildfire Risk	Low above 20% of the US · above 64% of Ohio
Wildfire Likelihood	About 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.