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San Juan County, Washington property search

Search an address or an owner in San Juan County, Washington with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 17,399 lots are mapped here, covering 111,718 acres. 3,563 of them are held by institutions rather than by individuals.

Farmers and landowners in San Juan County received $9,069 in federal farm program payments in 2025, paid to 6 recipients. 147 acres of agricultural land here are disclosed as foreign-held, the most by owners from Germany.

17,399
Lots mapped
111,718
Acres
3,563
Institutional

Land use in San Juan County

Parcels and acreage by land use in San Juan County, Washington
Land useParcelsAcres
RFF7,22947,489
RR4,6608,899
FHIA1,237695
FO73318,479
AG68913,881
RG3271,896
ACT261250
ER4P238120
ERR198298
VR142168
C1419,834
LUGA133190

Largest landowners in San Juan County

Largest landowners by acreage in San Juan County, Washington
OwnerParcelsAcres
SAN JUAN COUNTY THROUGH THE LAND BANK962,440
STATE OF WASHINGTON PARKS & RECREATION402,251
BLAKELY ISLAND TIMBERLAND LLC32,246
SAN JUAN COUNTY LAND BANK721,700
ROCHE HARBOR INVESTMENTS INC671,400
UNIVERSITY OF WASHINGTON161,176
ORCAS SOUND LLC141,064
SEATTLE PACIFIC COLLEGE15849
NEW RH LLC55701
TOWN OF FRIDAY HARBOR34645

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 Washington

Federal farm payments in San Juan County

$9K
Paid in 2025
6
Recipients
Federal farm program payments by program in San Juan County, Washington, 2025
ProgramPaid
Marketing Assistance for Specialty Crops$6K
Emergency Livestock Relief Program 2023-24$2K
Emergency Assist Livestock Bees Fish ELAP$849

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

Foreign-held farmland in San Juan County

147
Acres disclosed
3
Holdings
Foreign-held agricultural land by country in San Juan County, Washington, 2024
CountryAcres
Germany114
Canada33

Largest disclosed holders

Largest foreign holders of agricultural land in San Juan County, Washington
Holder (country)Acres
FRAVAN HOLDINGS CORP. (CANADA)33

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

Conservation and the power grid

28
Substations
115 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 San Juan County by address, free, or work out a lot's acreage.

Nearby counties in Washington

  • Island County52,712
  • Clallam County54,389
  • Whatcom County111,031
  • Skagit County82,985
  • Jefferson County32,763
  • Kitsap County139,602
  • Snohomish County319,265
  • Mason County60,542

All Washington counties

This copy of San Juan County's records was taken on August 12, 2026. Assessment records, not a survey.