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Maryland property lines map

Look up property lines and lot boundaries in Maryland. Coverage is 2,298,870 lots across 24 counties, covering 133,351,056 mapped acres. 194,486 of those lots are held by institutions rather than by individuals.

Farmers and landowners in Maryland received $94.3 million in federal farm program payments in 2025, paid to 4,807 recipients. 60,411 acres of agricultural land here are disclosed as foreign-held, the most by owners from Germany. Crop insurance paid $43.7 million in claims for the 2024 crop year.

24
Counties
2,298,870
Lots mapped
133,351,056
Acres
194,486
Institutional

Largest landowners in Maryland

Largest institutional landowners by acreage in Maryland
OwnerParcelsAcres
STATE OF MARYLAND1,08035,228
BOARD OF EDUCATION6318,945
ANNE ARUNDEL COUNTY4668,404
STATE OF MARYLAND DEPARTMENT OF87,276
HOWARD COUNTY MARYLAND9827,100
MAYOR & CITY COUNCIL4,0045,748
BOARD OF EDUCATION OF1834,205
STATE OF MARYLAND FOR THE USE OF204,170
COLUMBIA ASSOCIATION INC6493,536
COUNTY COMMISSIONERS OF1513,521

Companies, trusts and public agencies, by acres held under one name across Maryland's county records. See the top 50

Federal farm payments in Maryland

$94.3M
Paid in 2025
4,807
Recipients
Federal farm program payments by program in Maryland, 2025
ProgramPaid
Emergency Commodity Assistance Program$36.3M
Agricultural Risk Coverage Program - County$18.9M
Supplemental Disaster Relief Non-Spec Crops$17.7M
Marketing Assistance for Specialty Crops$9.7M
CRP Payment - Annual Rental$9.6M
Supplemental Disaster Relief Spec Crops$810K

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

Foreign-held farmland in Maryland

60,411
Acres disclosed
233
Holdings
Foreign-held agricultural land by country in Maryland, 2024
CountryAcres
Germany20,657
Canada7,259
France6,235
Japan5,187
Netherlands4,909
Italy3,941

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 Maryland

4,191
Policies
843,277
Insured acres
$43.7M
Claims paid
1.14
Loss ratio
Crop insurance claims by crop in Maryland, 2024
CropClaims
Corn$23.5M
Soybeans$15.1M
All Other Crops$1.6M
Wheat$1.5M
Processing Beans$552K

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

Conservation and the power grid

39,395
CRP acres, 2025
711
Substations
13
345 kV and up
500 kV
Highest voltage

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

Counties with the most farm payments

Counties in Maryland ranked by federal farm payments
CountyPaid
Kent County$12.4M
Queen Anne's County$9.6M
Frederick County$8.2M
Talbot County$7.9M
Caroline County$7.6M
Dorchester County$7.3M
Carroll County$6M
Washington County$5M

Counties with the most foreign-held farmland

Counties in Maryland ranked by foreign-held agricultural acres
CountyAcres
Queen Anne's County8,980
Kent County8,563
Frederick County8,549
Washington County6,039
Cecil County5,843
Talbot County4,388
Carroll County3,409
Caroline County2,254

Maryland property lines by county

  • Allegany County41,405
  • Anne Arundel County208,494
  • Baltimore County301,655
  • Calvert County44,461
  • Caroline County16,891
  • Carroll County76,249
  • Cecil County49,644
  • Charles County72,976
  • Dorchester County22,980
  • Frederick County124,459
  • Garrett County31,642
  • Harford County106,132
  • Howard County110,605
  • Kent County13,781
  • Montgomery County290,458
  • Prince George's County275,126
  • Queen Anne's County27,842
  • St. Mary's County52,222
  • Somerset County16,969
  • Talbot County22,368
  • Washington County62,327
  • Wicomico County48,656
  • Worcester County57,542
  • Baltimore city223,986