Boulder County Colorado Sales Tax Rate 2021 Colorado Sales Tax Rates: Boulder County


Boulder County, Colorado Sales Tax Rate 2021 Up to 8.845%

The Boulder County Sales Tax is 0.985%

A county-wide sales tax rate of 0.985% is applicable to localities in Boulder County, in addition to the 2.9% Colorado sales tax.

Some cities and local governments in Boulder County collect additional local sales taxes, which can be as high as 4.96%.

Here's how Boulder County's maximum sales tax rate of 8.845% compares to other counties around the United States:

  •   Higher maximum sales tax than 78% of Colorado counties
  •   Higher maximum sales tax than 83% of counties nationwide
Last updated January 2021

Tax Rates By City in Boulder County, Colorado

The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Colorado has a 2.9% sales tax and Boulder County collects an additional 0.985%, so the minimum sales tax rate in Boulder County is 3.885% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Boulder County, including all local taxes.

City Sales Tax Rate Tax Jurisdiction
Longmont 8.515% Longmont
Boulder 8.845% Boulder
Louisville 8.635% Louisville
Lafayette 8.485% Lafayette
Lyons 3.7% Larimer
Nederland 4.985% Boulder Co Remainder
Niwot 5.985% Boulder Co Niwot Lid
Jamestown 4.985% Boulder Co Remainder
Ward 4.985% Boulder Co Remainder
Hygiene 4.985% Boulder Co Remainder
Allenspark 4.985% Boulder Co Remainder
Pinecliffe 4.985% Boulder Co Remainder
Eldorado Springs 4.985% Boulder Co Remainder

Colorado Sales Tax Rates by Zip Code:

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Boulder County, Colorado has a maximum sales tax rate of 8.845% and an approximate population of 242,553.

Sales tax rates in Boulder County are determined by seven different tax jurisdictions, Boulder Co Remainder, Larimer, Boulder Co Niwot Lid, Boulder, Longmont, Lafayette and Louisville.

  Back to Colorado Sales Tax Handbook Sales tax rates for Boulder County are current as of January 2021
** This Document Provided By SalesTaxHandbook **