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Suffolk County Sales Tax Increase: What Business Owners Need to Know

02/20/2025

Starting March 1st, 2025, the sales and use tax rate in Suffolk County will increase to 8.75%. This change affects all taxable sales, whether conducted in person or online, and businesses must update their systems accordingly to remain compliant.

What This Means for Your Business

  • Update Your Systems: Ensure your point-of-sale (POS) software, invoices, and accounting systems reflect the new tax rate to avoid errors.
  • Train Your Staff: Employees responsible for processing sales or handling financial records should be informed of the change to prevent miscalculations.
  • Avoid Compliance Issues: Failing to collect the correct sales tax could result in penalties, interest charges, or audits. Staying ahead of these updates helps protect your business.


Sales tax compliance is a critical part of running a business, and even small errors can lead to costly consequences. If you have questions or need assistance, our team is here to help. Reach out to us for guidance on implementing these changes smoothly.