- Counties’ new revaluation plans are due (RCW 84.41.041, WAC 458-07-025)
- Treasurer submits the County Property Tax Collections (Calendar Year) report to DOR Research and Legislative Analysis Division.
- Nonprofit property tax exemption applications are due. Penalties apply. (RCW 84.36.815; 825)
- Property tax assistance claims for widows/widowers of qualified veterans are due (RCW 84.39.020)
- Nonprofit property tax exemption renewal declarations are due (RCW 84.36.815)
Also in March
- Assessors submit County Statistics for Comparison Report to DOR Property Tax Division (form REV 64 0106)
*IF A DUE DATE FALLS ON A SATURDAY, SUNDAY, OR LEGAL HOLIDAY, THE DUE DATE CHANGES TO THE NEXT BUSINESS DAY (RCW 1.12.070)