---
type: "Bill"
title: "Increasing the availability of certified sex offender treatment providers."
description: "Increasing the availability of certified sex offender treatment providers."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2019-2020"
identifier: "SB 6641"
citation: "Washington SB 6641 (2019-2020)"
classification: ["bill"]
subjects: ["SEX OFFENSES AND OFFENDERS", "HEALTH", "DEPARTMENT"]
status: "enacted"
primary_sponsors: ["O'Ban"]
version_count: 3
action_count: 38
vote_count: 4
first_action: "2020-01-29"
last_action: "2020-03-31"
source: "openstates"
source_identifier: "ocd-bill/7d51465e-5fdc-4bcb-b68a-245c2377186e"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=6641&year=2019"
source_hash: "793b59189f2aaf150c3e10574d547204d50258d7f6931f30f923b2504ee4718e"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington SB 6641 (2019-2020) — Increasing the availability of certified sex offender treatment providers.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/Senate%20Bills/6641.htm)
2. **Engrossed Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/Senate%20Bills/6641-S.E.htm)
3. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/Senate%20Bills/6641-S.htm)

## Votes

- Final Passage as Amended by the House (#11) — **48–0** (pass) · upper
- 3rd Reading & Final Passage (#25) — **48–0** (pass) · upper
- Final Passage as Amended by the House (#2) — **96–1** (pass) · lower
- Final Passage as Amended by the House (#56) — **96–1** (pass) · lower

## Sponsors

- O'Ban — primary (person)
- Conway — cosponsor (person)
- Wilson, C. — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2020-01-29** First reading, referred to Human Services, Reentry & Rehabilitation. `reading-1`
- **2020-02-06** HSRR - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2020-02-07** Passed to Rules Committee for second reading.
- **2020-02-11** Placed on second reading by Rules Committee.
- **2020-02-19** 1st substitute bill substituted. `substitution`
- **2020-02-06** HSRR - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2020-02-07** Passed to Rules Committee for second reading.
- **2020-02-11** Placed on second reading by Rules Committee.
- **2020-02-19** 1st substitute bill substituted. `substitution`
- **2020-02-19** Floor amendment(s) adopted.
- **2020-02-19** Rules suspended. Placed on Third Reading.
- **2020-02-19** Third reading, passed; yeas, 48; nays, 0; absent, 0; excused, 1. `reading-3`
- **2020-02-24** First reading, referred to Health Care & Wellness. `reading-1`
- **2020-02-27** HCW - Majority; do pass with amendment(s).
- **2020-02-28** Referred to Rules 2 Review.
- **2020-03-02** Rules Committee relieved of further consideration. Placed on second reading.
- **2020-03-05** Committee amendment(s) adopted as amended.
- **2020-03-05** Rules suspended. Placed on Third Reading.
- **2020-03-05** Third reading, passed; yeas, 96; nays, 1; absent, 0; excused, 1. `reading-3`
- **2020-03-10** Senate refuses to concur in House amendments. Asks House to recede from amendments.
- **2020-03-11** House receded from amendments.
- **2020-03-11** Rules suspended.
- **2020-03-11** Returned to second reading for amendment.
- **2020-03-11** Floor amendment(s) adopted.
- **2020-03-11** Rules suspended. Placed on Third Reading.
- **2020-03-11** Third reading, passed; yeas, 96; nays, 1; absent, 0; excused, 1. `reading-3`
- **2020-03-11** Senate concurred in House amendments.
- **2020-03-11** Passed final passage; yeas, 48; nays, 0; absent, 0; excused, 1. `passage`
- **2020-03-12** President signed. `passage`
- **2020-03-12** Speaker signed. `passage`
- **2020-03-12** Delivered to Governor.
- **2020-03-31** Governor signed. `executive-signature`
- **2020-03-31** Chapter 266, 2020 Laws. `became-law`
- **2020-03-31** Effective date 6/11/2020. `became-law`
- **2020-02-05T13:00:00+00:00** Scheduled for public hearing in the Senate Committee on Human Services, Reentry & Rehabilitation at 08:00 AM
- **2020-02-06T18:30:00+00:00** Scheduled for public hearing in the Senate Committee on Human Services, Reentry & Rehabilitation at 01:30 PM
- **2020-02-27T18:30:00+00:00** Scheduled for public hearing in the House Committee on Health Care & Wellness at 01:30 PM
- **2020-02-27T18:30:00+00:00** Scheduled for public hearing in the House Committee on Health Care & Wellness at 01:30 PM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7d51465e-5fdc-4bcb-b68a-245c2377186e`. Confidence: reported (aggregated from official Washington legislature records).