Maricopa, Arizona Raises Sales Tax by 0.50%
Maricopa, Arizona has announced a 0.50% sales tax rate increase, effective October 1, 2025. Businesses making sales in the city — whether local or remote — must update their systems to apply the new rate.
Written by Alex Lamachenka
Head of DemandGen
Published
What’s Changing
- Current city sales tax rate will increase by 0.50%
- Effective date: October 1, 2025
- Applies to both in-state sellers and remote sellers with nexus in Arizona
The change impacts all taxable retail sales made in Maricopa and will affect both point-of-sale systems and ecommerce checkouts.
Who’s Affected
- Local businesses operating in Maricopa
- Remote sellers who have economic nexus with Arizona (over $100,000 in annual sales or 200 transactions)
- Marketplace facilitators responsible for collecting on behalf of third-party sellers
Why It Matters
- Compliance deadlines: Sellers must ensure rates are updated by October 1 to avoid under-collection or penalties
- Customer pricing: The increase may affect order totals for Maricopa buyers, which should be communicated clearly
- Multi-jurisdiction complexity: Local rate changes like this underscore the difficulty of keeping tax tables accurate without automation
What Sellers Should Do
- Update your tax tables and checkout systems before October 1
- Confirm POS and ecommerce platforms are applying the new Maricopa rate
- Consider sales tax automation with TaxCloud to handle ongoing local rate changes across Arizona and beyond
Other US Sales Tax Updates
City of Gunnison shifts sales tax collection to the state starting in 2026
Starting January 1, 2026, the City of Gunnison will stop self-collecting local sales tax and move to state-collected city sales tax through the Colorado Department of Revenue.
Illinois eliminates state grocery sales tax starting January 1, 2026
Illinois has eliminated its 1% state sales tax on grocery items. While the state-level grocery tax is ending, local grocery taxes may still apply depending on the location of the sale.
State Grocery Tax Set to End in Illinois in 2026
In 2026, Illinois will eliminate its 1% state sales tax on food for human consumption. However, local governments will be allowed to impose their own 1% grocery tax and many plan to do so.