Baltimore County, MarylandSales Tax Rate 2025

Baltimore County, located in Central Maryland, has a sales tax rate of 6.00%.

The sales tax rate in Baltimore includes only the Maryland state tax. The table below provides a breakdown of the sales tax rate by jurisdiction.

Maryland	6.00%
Baltimore	0.00%
City + District Rate	0.00%
Combined Sales Tax Rate	6.00%

Baltimore County Sales Tax Calculator

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The TaxHero sales tax calculator provides a combined sales tax rate based on a full address lookup. A complete address ensures precision since ZIP codes may cross different tax jurisdictions. Results are for reference and may need additional context for compliance. Contact us today for a demo and learn how TaxHero can support your business.

Who Needs to Collect Sales Tax in Baltimore County, Maryland?+

Businesses are required to collect sales tax in Baltimore if they have a sales tax nexus in Maryland and sell to residents of Baltimore, whether at a physical location or online.

Physical Nexus: This occurs when a business has a tangible presence in the state. Examples include having a store, warehouse, office, or employees in Maryland if your business operates any of these within the state, you have a physical nexus and must collect sales tax from customers in Baltimore.

Economic Nexus: This is based on the volume of sales or number of transactions a business conducts in the state. For instance, if your business exceeds a certain threshold of sales or transactions in Maryland which is often defined as a specific dollar amount or number of transactions, you establish economic nexus. This means even if you don’t have a physical presence in the state, you are still required to collect sales tax from customers in Baltimore.