Seattle requires 180 days' written notice for a rent increase — far more than the 90-day Washington state baseline. Enter your lease facts to see every deadline for your planned increase.
We ask this because Washington bars rent increases during a tenant's first 12 months.
The date you want the new rent to start.
Preliminary: this result is based on rule data still pending attorney verification. Dates and figures are sourced and cited, but confirm with counsel before relying on them.
Rent: $2,000.00 → $2,150.00
Due: August 11, 2026
Serving by mail? Mail no later than August 6, 2026.
To make the increase effective 2027-02-07, the notice must be properly served no later than 2026-08-11. If serving by mail, mail it no later than 2026-08-06 (mail service adds 5 days to the clock).
This is an informational tool, not legal advice. It does not create an attorney-client relationship. Verify deadlines with a licensed Washington attorney before relying on them.
Due: February 7, 2027
Washington's rent cap statute applies to increases effective 2027-02-07, but the cap rate for that year has not yet been published (Commerce announces each year's rate in mid-July of the prior year). Do not finalize this increase amount until the applicable cap is known.
This is an informational tool, not legal advice. It does not create an attorney-client relationship. Verify deadlines with a licensed Washington attorney before relying on them.
That's GiveProperNotice — one calendar for every unit, every rule change handled for you, for $10/mo.