Tax updates
Tax data and coverage updates
Changes to calculator coverage and source-backed tax data.
June 2026
JavaScript payload optimized — initial load reduced by 38% via lazy state loading.
June 2026
Complete US coverage — all 51 jurisdictions now calculation-enabled.
June 2026
District of Columbia added with a limited resident income-tax estimate.
June 2026
Rhode Island added with full support.
May 2026
Massachusetts, New Jersey, Arkansas, Minnesota, Utah, Vermont, and New Mexico added with limited support.
2026 tax year
51 of 51 US jurisdictions live, with documented limitations.
2025 launch
Initial 31-state engine launched.
Last updated: June 2026 · Read the methodology · View state support