Legislative Tracker · WA
Both methods Kairos tracks are legal in Washington. What that means in practice, what it costs, and where each status comes from.
Last reviewed August 2026Review cadence: QuarterlyNext review November 2026
At a glance
Natural organic reduction (NOR)
In Washington, human composting — legally, natural organic reduction — has been an authorised method of final disposition since 2019. Licensed providers operate in the state, so it can be arranged without leaving it.
Note
First jurisdiction in the world to legalise natural organic reduction.
Alkaline hydrolysis
In Washington, aquamation — legally, alkaline hydrolysis — is an authorised method of final disposition. Licensed providers operate in the state, so it can be arranged without leaving it.
Note
Alkaline hydrolysis is an authorised method of final disposition. Licensed providers are operating.
Providers in Washington
Licensed facilities Kairos has verified as operating in the state. Not a complete directory and not an endorsement — no money changes hands over these listings. Prices come from the providers' own published figures and change.
What it costs
| Method | Status | Typical all in | Scattering |
|---|---|---|---|
| Human composting | Legal | $4,950–$7,000 | Treated as cremated remains — landowner permission required. |
| Aquamation | Legal | $2,500–$4,450 | Treated as cremated remains — landowner permission required. |
Under the FTC Funeral Rule every provider must give you an itemised price list on request, and may not require a package. Ask for it. Your rights are here.
Common questions
In Washington, human composting — legally, natural organic reduction — has been an authorised method of final disposition since 2019. Licensed providers operate in the state, so it can be arranged without leaving it.
In Washington, aquamation — legally, alkaline hydrolysis — is an authorised method of final disposition. Licensed providers operate in the state, so it can be arranged without leaving it.
Washington legalised natural organic reduction through SB 5001, signed on 21 May 2019 by Gov. Jay Inslee, effective 1 May 2020.
Human composting runs $4,950–$7,000 all in; Aquamation runs $2,500–$4,450 all in. Those are typical ranges rather than quotes, and they exclude items a family may add such as a memorial service or an urn. Providers must give you an itemised price list on request under the FTC Funeral Rule.
Sources
Every status above traces to one of these. Where a bill tracker is cited rather than a legislature's own record, it is labelled as a tracker — some legislatures publish no stable per-bill URL, and pretending otherwise would be the dishonest fix.
Recent changes
No changes recorded since this record was created in August 2026. Every automated or reviewed edit is logged here from that date on.
Read next
Last reviewed August 2026
Next quarterly review November 2026
Sources: state legislatures, state funeral boards, OpenStates, LegiScan