Provides that before award of a public works contract, a bidder must meet the following responsibility criteria to be considered a responsible bidder and qualified to be awarded a public works project. The bidder must have: (1) At the time of bid submittal, a certificate of registration in compliance with chapter 18.27 RCW;

(2) A current state unified business identifier number;

(3) If applicable, industrial insurance coverage for the bidder's employees working in Washington as required in Title 51 RCW; an employment security department number as required in Title 50 RCW; and a state excise tax registration number as required in Title 82 RCW; and

(4) Not been disqualified from bidding on any public works contract under RCW 39.06.010 or 39.12.065(3).

Provides that in addition to the bidder responsibility criteria, the state or municipality may adopt supplemental criteria for determining bidder responsibility applicable to a particular project.

Requires public works contractors to verify that their first tier subcontractors meet the bidder responsibility criteria listed in this act at the time of award, and any subcontractor that hires other subcontractors must verify that their subcontractors meet the responsibility criteria listed in this act at the time of award.