We can help you from your home or office!
Many Treasurer's Office services are available online, by phone, or by mail.
With the risk of Covid-19 increasing in Washington State, we want to share remote options for doing business at the Whatcom County Treasurer's Office. The health and safety of our community and employees is our top priority.
  1. Whatcom County Treasurer extends tax deadline to June 1

    Whatcom County Treasurer Steve Oliver signed an order today extending the first half property tax due date until June 1 for individual and commercial taxpayers that pay their property taxes themselves. Read on...
  2. Treasurer's Office Waives E-CHECK Property Tax Online Transaction Fees

    Whatcom County Treasurer, Steven Oliver, announced today that effective immediately Whatcom County taxpayers can pay their taxes online with an electronic check with no additional transaction fees. Credit card payments continue as usual. Read on...
  3. Treasurer's Office Temporarily Suspends Passport Processing March 16

    Treasurer's Office Temporarily Suspends Passport Processing March 16 Read on...
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The Treasurer's Office will efficiently and effectively collect, report, invest and manage all monies and debt for Whatcom County, and all other junior and special purpose districts. Provide exemplary service to all of our customers by being responsive, courteous, and knowledgeable. 

  • Responsible for monies of county, cities, port, school districts, fire districts, cemeteries, public utility districts, and water districts
  • Bill and collect, real and personal property taxes, due April 30 and October 31
  • Bill and collect, special assessments and fees, for flood control, road improvement, water, and drainage districts
  • Deposit and invest all funds for county and districts. Provide banking services
  • Collect excise tax on sale, or transfer, of real property and mobile homes
  • Foreclose on property for delinquent taxes
  • Maintain inventory of county-owned property and conduct property sales
  • Collect gambling taxes, 911 taxes, and local gas tax (Point Roberts)