County Building #8 Upper Level 615 West Alder Street
- Building Department
- Fire Marshall
- Permit Assistance Center
- Planning
County Building #8 Lower Level: 415 North 6th Street
- Environmental Health
- Family and Community Health
Effective May 1, 2024 the Sheriff’s North Precinct Business Office Days of operation are changing to Monday-Friday 10:00am-2:00pm.
2024 Property Taxes are due Tuesday, April 30th, 2024.
To pay online at https://www.paydici.com/mason-co-treasurer-wa/search/landing
For more information, please contact the Treasurers Office at 360-427-9670, Ext 475 - Office Hours 9:00 a.m. to 4:00 p.m,
or visit our Property Tax Payment Information page.