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St. Clair County, Michigan property search

Search an address or an owner in St. Clair County, Michigan with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 77,123 lots are mapped here, covering 453,821 acres. 7,421 of them are held by institutions rather than by individuals.

Farmers and landowners in St. Clair County received $5.5 million in federal farm program payments in 2025, paid to 300 recipients. 11,648 acres of agricultural land here are disclosed as foreign-held, the most by owners from Italy. Crop insurance paid $6 million in claims for the 2024 crop year.

77,123
Lots mapped
453,821
Acres
7,421
Institutional

Land use in St. Clair County

Parcels and acreage by land use in St. Clair County, Michigan
Land useParcelsAcres
40152,697145,774
4029,30058,033
2013,07614,070
4072,381740
1012,214111,396
1021,88788,207
4081,638975
2021,4625,234
4098175,857
30251110,728
3014599,490
6179313

Largest landowners in St. Clair County

Largest landowners by acreage in St. Clair County, Michigan
OwnerParcelsAcres
PETERS BROTHERS LLC1987,711
DTE ELECTRIC COMPANY644,432
WINN HERITAGE FARMS LLC15891
LEWIS LAND LLC16844
DTE GAS COMPANY25805
JBH FARMS LLC9719
INTERNATIONAL TRANSMISSION COMPANY15702
ST CLAIR COUNTY AIRPORT6668
THEISEN FARM LLC8658
MARYSVILLE HYDROCARBON LLC2616

Companies, trusts and public agencies, ranked by acres held under the name on the assessor's file. Private individuals are not ranked. Largest landowners in Michigan

Federal farm payments in St. Clair County

$5.5M
Paid in 2025
300
Recipients
Federal farm program payments by program in St. Clair County, Michigan, 2025
ProgramPaid
Emergency Commodity Assistance Program$2.9M
Supplemental Disaster Relief Non-Spec Crops$2.3M
Marketing Assistance for Specialty Crops$173K
Agricultural Risk Coverage - Individual$40K
Supplemental Disaster Relief Spec Crops$38K
CRP Payment - Annual Rental$22K

USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county

Foreign-held farmland in St. Clair County

11,648
Acres disclosed
46
Holdings
Foreign-held agricultural land by country in St. Clair County, Michigan, 2024
CountryAcres
Italy7,523
United Kingdom2,304
Australia1,276
Netherlands355
France105
Trinidad and Tobago58

Largest disclosed holders

Largest foreign holders of agricultural land in St. Clair County, Michigan
Holder (country)Acres
Red Fox Wind Project, LLC (ITALY)7,523
ST. CLAIR COUNTY SOLAR PROJECT, LLC (AUSTRALIA)1,276
Lake Iris Solar, LLC (UNITED KINGDOM)855
Greenwood Solar, LLC (UNITED KINGDOM)734
Geronimo Solar Energy, LLC (UNITED KINGDOM)716

USDA Agricultural Foreign Investment Disclosure Act filings, holdings at the end of 2024. Only disclosed interests are counted. See foreign-owned farmland by county

Crop insurance in St. Clair County

469
Policies
84,567
Insured acres
$6M
Claims paid
1.44
Loss ratio
Crop insurance claims by crop in St. Clair County, Michigan, 2024
CropClaims
Soybeans$3M
Corn$2M
Wheat$535K
Sugar Beets$362K
Dry Beans$72K

USDA Risk Management Agency Summary of Business, 2024 crop year.

Conservation and the power grid

329
CRP acres, 2025
40
Substations
7
345 kV and up
345 kV
Highest voltage

Conservation Reserve Program acres under contract (USDA FSA). Substations in service, from a public copy of the federal HIFLD layer.

Find out who owns a property in St. Clair County by address, free, or work out a lot's acreage.

Nearby counties in Michigan

  • Macomb County332,879
  • Lapeer County43,573
  • Oakland County490,704
  • Sanilac County32,343
  • Wayne County812,823
  • Genesee County189,779
  • Tuscola County36,501
  • Livingston County89,453

All Michigan counties

St. Clair County last published these records on October 31, 2025. Assessment records, not a survey.