---
type: "Bill"
title: "Concerning unit priced contracting by cities."
description: "Concerning unit priced contracting by cities."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2017-2018"
identifier: "SB 6143"
citation: "Washington SB 6143 (2017-2018)"
classification: ["bill"]
subjects: ["CITIES AND TOWNS", "PUBLIC WORKS"]
status: "enacted"
primary_sponsors: ["Takko"]
version_count: 3
action_count: 28
vote_count: 2
first_action: "2018-01-09"
last_action: "2018-03-15"
source: "openstates"
source_identifier: "ocd-bill/f241f13e-7f8f-4a08-88ca-23e0508103cd"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=6143&year=2017"
source_hash: "912e97827702e0e710dccca836107a4681f918fd259c2c82487a644b87ba011b"
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 6143 (2017-2018) — Concerning unit priced contracting by cities.

## 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/2017-18/Htm/Bills/Senate%20Bills/6143.htm)
2. **Engrossed Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/Senate%20Bills/6143-S.E.htm)
3. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2017-18/Htm/Bills/Senate%20Bills/6143-S.htm)

## Votes

- 3rd Reading & Final Passage (#23) — **48–0** (pass) · upper
- Final Passage (#23) — **70–28** (pass) · lower

## Sponsors

- Takko — primary (person)

## Timeline

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

- **2018-01-09** First reading, referred to Local Government. `reading-1`
- **2018-01-16** LGOV - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-01-18** Passed to Rules Committee for second reading.
- **2018-01-24** Placed on second reading consent calendar.
- **2018-01-25** Placed on second reading.
- **2018-02-07** 1st substitute bill substituted. `substitution`
- **2018-01-16** LGOV - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2018-01-18** Passed to Rules Committee for second reading.
- **2018-01-24** Placed on second reading consent calendar.
- **2018-01-25** Placed on second reading.
- **2018-02-07** 1st substitute bill substituted. `substitution`
- **2018-02-07** Floor amendment(s) adopted.
- **2018-02-07** Rules suspended. Placed on Third Reading.
- **2018-02-07** Third reading, passed; yeas, 48; nays, 0; absent, 0; excused, 1. `reading-3`
- **2018-02-09** First reading, referred to Local Government (Not Officially read and referred until adoption of Introduction report). `reading-1`
- **2018-02-22** LG - Majority; do pass.
- **2018-02-22** Minority; do not pass.
- **2018-02-22** Minority; without recommendation.
- **2018-02-23** Referred to Rules 2 Review.
- **2018-02-26** Rules Committee relieved of further consideration. Placed on second reading.
- **2018-02-28** Rules suspended. Placed on Third Reading.
- **2018-02-28** Third reading, passed; yeas, 70; nays, 28; absent, 0; excused, 0. `reading-3`
- **2018-03-05** President signed. `passage`
- **2018-03-06** Speaker signed. `passage`
- **2018-03-06** Delivered to Governor.
- **2018-03-15** Governor signed. `executive-signature`
- **2018-03-15** Chapter 74, 2018 Laws. `became-law`
- **2018-03-15** Effective date 6/7/2018. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f241f13e-7f8f-4a08-88ca-23e0508103cd`. Confidence: reported (aggregated from official Washington legislature records).