2023 Change of Value Notices

The 2023 Change of Value Notices were mailed October 13, 2023. State law requires County Assessors to appraise every property annually, with an effective assessment date of January 1st for most properties, and July 31st for new construction. Change of Val...

Business Personal Property Listings Due Date Extended to Monday May 1

Everyone who uses personal property in a business must complete a personal property listing every year and submit to the Assessor’s Office by April 30. Since April 30, 2023 is on a Sunday this year the Assessor’s Office has extended the due date to Monday...

2023 Property Tax Information

Bellingham- The Whatcom County Assessor’s Office is responsible for annually updating assessed values for all real and taxable personal property in Whatcom County, and calculating levy rates for all taxing districts for property tax purposes.

The...

2022 Change of Value Notices

The 2022 Change of Value Notices were mailed September 30, 2022. State law requires County Assessors to appraise every property annually, with an effective assessment date of January 1st for most properties, and July 31st for new construction. Change of V...

Business Personal Property Listings Due Date Extended to Monday May 2

Everyone who uses personal property in a business must complete a personal property listing every year and submit to the Assessor’s Office by April 30. Since April 30, 2022 is on a Saturday this year the Assessor’s Office has extended the due date to Mond...

2022 Property Tax Information

The Whatcom County Assessor’s Office is responsible for annually updating assessed values for all real and taxable personal property in Whatcom County, and calculating levy rates for all taxing districts for property tax purposes.

The 2021 assess...

Appraisers from the Assessor’s Office are beginning field inspections

Appraisers from the Assessor’s Office are beginning field inspections. The current annual inspection area for revaluation in 2022, is Cycle Area 1 (see revaluation inspection areas webpage). Every year 1/6th of the properties in the county are i...

Property damaged by flooding may qualify for a reduction in assessed value

Property damaged by flooding may qualify for a reduction in assessed value. The completed Destroyed Property Claim form should be returned to the Assessor’s office.

Destroyed property forms can be obtained on the Assessor's website here....

2021 Change of Value Notices

The 2021 Change of Value Notices were mailed October 8, 2021. State law requires County Assessors to appraise every property annually, with an effective assessment date of January 1st for most properties, and July 31st for new construction. Change of Valu...

2021 Property Tax Information

The Whatcom County Assessor’s Office is responsible for annually updating assessed values for all real and taxable personal property in Whatcom County, and calculating levy rates for all taxing districts for property tax purposes.

The 2020 revaluation asse...

2021 Property Inspections

Appraisers from the Assessor’s Office are beginning field inspections. The current annual inspection area for revaluation in 2021, is Cycle Area 6 (see inspection area map). Every year 1/6th of the properties in the county are inspected, and the remaining...

2020 Change of Value Notices

The 2020 Change of Value Notices were mailed November 19, 2020. State law requires County Assessors to appraise every property annually, with an effective assessment date of January 1st for most properties, and July 31st for new construction. Change of Va...

Assessor Introduces GIS Tax Parcel Viewer

The Whatcom County Assessor’s Office has launched an online Tax Parcel Viewer based on ArcGIS software. The GIS map provides access to tax parcels and related assessment information.

“I am glad we are able to make this tool available an...

Limited In-Office Services Available by Appointment

In order to protect both citizens and the staff, appointments will be limited to reduce the number of people in the office. Further protections include required face masks for all individuals in the courthouse, public and staff, plexiglass at all the cust...

Appraisers Starting On-Site New Construction Inspections

Appraisers from the Assessor’s Office are starting on-site new construction inspections for properties issued building permits within the last year. Appraisers are following the rules and recommendations of the Governor and Whatcom County Health...

2020 Property Tax Information Statement

The Whatcom County Assessor’s Office is responsible for annually updating assessed values for all real and taxable personal property in Whatcom County, and calculating levy rates for all taxing districts for property tax purposes.

Senior Citizens and Disabled Persons Legislative Update

The Washington State Legislature has passed ESSB 5160. The new law increases the income thresholds for qualifying Senior Citizens and Disabled Persons in the Property Tax Exemption and Property Tax Deferral Programs. Under the new legislation, the 2019 qu...

Property Revaluation News

The Washington State Department of Revenue has approved the Assessor’s Office’s  Annual Real Property Revaluation program. Annually, 1/6th of the county will be physically inspected and the whole county will be statistically r...