WA SB5771

Adds a $300 supplemental working families' tax credit for eligible low-income renters who leased their primary residence or mobile home lot in Washington for at least 183 days during the tax year, beginning in calendar year 2026

Requires the additional renter credit to be adjusted annually for inflation starting January 1, 2027, with amounts rounded to the nearest $5

Maintains existing base credit amounts: $300 (no children), $600 (one child), $900 (two children), or $1,200 (three or more children) for eligible persons meeting federal Earned Income Tax Credit requirements

Takes effect January 1, 2026, contingent on voter approval of Senate Joint Resolution No. 8203 (a proposed constitutional amendment) at the next general election

Requires specific funding in the 2025 omnibus appropriations act by June 30, 2025, or the act becomes null and void