- Open Space Taxation Act
- Open Space Taxation Act Information Brochure (includes Timber Land)
- RCW 84.34 Open Space, agricultural, timberlands – current use – conservation futures
- WAC 458-30-210 Classification of land under Chapter 84.34 RCW. (Timber Land, Open Space)
- WAC 458-40-540 Forest Land Values
- Application for Classification or Reclassification as Open Space Land or Timber Land for Current Use Assessment
- Notice of Continuance Land Classified as Current Use or Forest Land
- Open Space Taxation Agreement
- All Current Use Forms
- Links for the Washington State Department of Revenue