Quick calculators for the rules Seattle and Washington landlords trip over most, grouped by what you're trying to do. No signup, nothing to install, and every answer links back to the statute it comes from. Each runs the same deadline engine that powers the full GiveProperNotice product.
Check a planned increase against the current statewide cap and see the highest rent the law allows.
Open the toolFind the notice period your city actually requires: Seattle, the King County suburbs with tiered rules, or the state baseline.
Open the toolFind the last legal day to serve a rent-increase notice for your target effective date.
Open the toolSee whether a Seattle increase is large enough to trigger relocation-assistance obligations.
Open the toolSee whether an increase triggers relocation assistance in Seattle, Tacoma, Olympia, or Bellingham, and the dollar exposure.
Open the toolSee the maximum deposits and move-in fees your city allows, and the installment rights that come with them.
Open the toolSee the maximum late fee the law allows where your property is, and the statewide grace period.
Open the toolSee the last day to send a departing tenant's deposit statement and refund, and what must be in it.
Open the tool