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 Ryan Pinkham
VP of GTM
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
If you use TaxCloud
You don’t need to chase every city rate update. Our platform automatically applies local changes — like Maricopa’s 0.50% increase on October 1 — so your checkout and filings stay accurate without the scramble.
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
Official sources:
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City of Phoenix official website Phoenix Tax Rates to See Slight Increase Starting July 1. Source link
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