What is the sales tax in zip code 87421? - The sales tax in zip code 87421 in Waterflow, New Mexico is 6.5% as of 2025. Use the 87421 sales tax rate calculator to calculate the sales tax for any purchase in 87421.
87421 Sales Tax Rate Calculator | 
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Below is a list of the state sales tax, city sales tax, and county tax rate for .
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax | 
|---|---|---|---|---|---|---|---|
| San Juan | New Mexico | Waterflow | 87421 | 4.875% | 0% | 1.625% | 6.5% |