WA HB1488

Maximum annual per parcel rate for conservation districts increased to a uniform $25 statewide, replacing the previous tiered system based on county population ($5 for most counties, $10 for counties over 480,000, $15 for counties over 1.5 million)

Department of Revenue required to adjust the maximum per parcel rate every three years starting March 1, 2029, based on Seattle-area consumer price index, with adjustments rounded to the nearest $1 and published by March 31st

Maximum annual per acre rate remains unchanged at 10 cents per acre

County legislative authorities retain discretion to approve conservation district rates and charges by resolution as an alternative to special assessments

Effective date: July 27, 2025