What is the sales tax for 91730 Rancho Cucamonga, California? - The sales tax for 91730 Rancho Cucamonga, California is 8.75% as of 2026. 8.75% is the combine sales tax from 6% of California state sales tax, 1% of local sales tax, and 0.25% of San Bernardino county sales tax.
| Zip Code | 91730 | ||
|---|---|---|---|
| State | California | State Tax | 6% |
| City | Rancho Cucamonga | City Tax | 1% |
| County | San Bernardino | County Tax | 0.25% |
| Special Tax | 1.5% | ||
| Total Sales Tax | 8.75% | ||
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