# Kintsugi Sales Tax Guides for US states

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Your state-by-state guide to US sales tax in 2026: rates, nexus rules, exemptions, and filing frequencies. See what your business owes and where to register.

The ultimate guides to mastering sales tax for U.S. states. From the basics to complex compliance challenges, our expert-crafted resources provide the clarity and confidence you need to navigate every scenario with ease.

## US State Sales Tax Guides

Alabama's state rate is 4%, with combined rates near 11%. Economic nexus starts at $250K; remote sellers can use the flat 8% SSUT. See 2026 rates and rules.

Alaska has no statewide sales tax, but many cities and boroughs levy their own. Remote sellers register with the ARSSTC at $100K. See 2026 rules.

Arizona's state TPT is 5.6%, reaching ~8.6% in Phoenix. Economic nexus starts at $100K, and SaaS is taxable. See 2026 rates, filing, and exemptions.

Arkansas' state rate is 6.5%, with combined rates near 12%. Economic nexus starts at $100K or 200 sales, and SaaS is exempt. See 2026 rates and rules.

California's base sales tax is 7.25%, and combined rates reach up to 11.25%. Economic nexus starts at $500K in sales.

Colorado's state rate is just 2.9%, but home-rule cities push combined rates past 9%. Economic nexus starts at $100K. See 2026 rates and filing rules.

Connecticut has a flat 6.35% sales tax with no local add-ons, and B2B SaaS is taxed at just 1%. Economic nexus needs $100K and 200 sales. See 2026 rules.

Delaware has no sales tax at any level. It instead levies a gross receipts tax on businesses. See what that means for nexus and compliance in 2026.

Florida's state sales tax is 6%, with combined rates up to 8%. Economic nexus starts at $100K in taxable sales. See 2026 rates, due dates, and exemptions.

Georgia's state rate is 4%, reaching 8.9% combined in Atlanta. Economic nexus starts at $100K or 200 sales. See 2026 rates, filing dates, and exemptions.

Guam has no sales tax. It levies a 5% Business Privilege Tax on gross receipts, dropping to 4% in October 2026. See what that means for sellers.

Hawaii's General Excise Tax is 4% (4.5% on Oahu) and applies broadly, including to SaaS. Economic nexus starts at $100K or 200 sales. See 2026 rates.

Idaho's state rate is 6%, up to 9% in resort areas. Economic nexus starts at $100K, and SaaS is exempt. See 2026 rates, filing, and exemptions.

Illinois' base rate is 6.25%, reaching 10.25% in Chicago. Economic nexus starts at $100K — the 200-sale test ended in 2026. See 2026 rates and rules.

Indiana has a flat 7% sales tax with no local add-ons. Economic nexus starts at $100K, and SaaS is exempt. See 2026 rates, filing dates, and exemptions.

Iowa's state rate is 6%, typically 7% combined with local option tax. Economic nexus starts at $100K, and SaaS is taxable. See 2026 rates and rules.

Kansas' state rate is 6.5%, with combined rates over 10% in places. The state grocery tax ended in 2025. Economic nexus starts at $100K. See 2026 rates.

Kentucky has a flat 6% sales tax with no local add-ons. Economic nexus starts at $100K or 200 sales, and SaaS is taxable. See 2026 rates and rules.

Louisiana's state rate is 5%, with combined rates among the highest in the US. Economic nexus starts at $100K, and SaaS is taxable. See 2026 rates and rules.

Maine has a flat 5.5% sales tax with no local add-ons. Economic nexus starts at $100K, and access-only SaaS is exempt. See 2026 rates and exemptions.

Maryland has a flat 6% sales tax, plus a new 3% tech tax on B2B software and IT. Economic nexus starts at $100K. See 2026 rates, filing, and exemptions.