Rancho Cucamonga Sales Tax Calculator
The combined sales tax rate in Rancho Cucamonga, California is 7.75% in 2026 — a 7.25% California state rate plus 0.5% in local add-ons. That is the 47th lowest rate of the 483 California cities we track, and it runs below California's 8.98% average. On a $100 purchase that's $7.75 in tax for a $107.75 total.
$100.00 total
Before tax: $100.00 · Sales tax: $0.00 (0%)
State & average combined rates: Tax Foundation 2026. Local rates vary by city/county — adjust the rate for an exact figure. How we calculate →
Rancho Cucamonga sales tax rate in 2026
Rancho Cucamonga charges a combined sales tax rate of 7.75%: the California statewide base of 7.25% plus 0.5% in city, county and district add-ons. Rancho Cucamonga is in San Bernardino County.
That local add-on is set by Rancho Cucamonga and the taxing districts that overlap it, which is why neighboring cities in California can charge a different total even a few miles apart.
Rancho Cucamonga vs the rest of California
At 7.75%, Rancho Cucamonga runs below California's 8.98% statewide average combined rate by 1.23%. Among the 483 California cities we track by combined rate, Rancho Cucamonga ranks the 47th lowest.
That makes Rancho Cucamonga comparatively light on sales tax for California, though it's still well above zero.
Sales tax examples in Rancho Cucamonga
At Rancho Cucamonga's 7.75% combined rate:
$100 → $7.75 tax, $107.75 total · $1,000 → $77.50 tax, $1,077.50 total · $25,000 car purchase → $1,937 tax, $26,937 total.
Working backwards: a $1,080.00 receipt total in Rancho Cucamonga means the pre-tax price was $1,002.32 and $77.68 was tax — use “Remove tax” mode above to reverse any total instantly.
A note on Rancho Cucamonga's exact rate
The 7.75% rate applies within Rancho Cucamonga's official city limits as published by CDTFA — Find a Sales and Use Tax Rate. Addresses with a Rancho Cucamonga mailing address but outside the incorporated city line — a common situation on the edges of any city — can fall under a different, usually lower, rate.
For an address-exact rate, use the official lookup tool: CDTFA — Find a Sales and Use Tax Rate. This calculator pre-fills the published city-limits rate as a reliable starting point.
Rancho Cucamonga sales tax — frequently asked questions
What is the sales tax rate in Rancho Cucamonga, California?
Rancho Cucamonga's combined sales tax rate is 7.75% in 2026 — 7.25% California state tax plus 0.5% in local add-ons. That's the 47th lowest rate of the 483 California cities we track.
How much is sales tax on $100 in Rancho Cucamonga?
At Rancho Cucamonga's 7.75% rate, sales tax on a $100 purchase is $7.75, for a $107.75 total.
How much sales tax will I pay on a $25,000 car in Rancho Cucamonga?
At Rancho Cucamonga's 7.75% combined rate, sales tax on a $25,000 vehicle purchase is about $1,937, for a $26,937 total before any trade-in credit or registration fees.
Is Rancho Cucamonga's sales tax higher or lower than the California average?
Rancho Cucamonga runs below California's 8.98% statewide average by 1.23%, ranking the 47th lowest of the 483 California cities we track.
How do I calculate sales tax backwards from a total in Rancho Cucamonga?
Divide the total by 1 plus the rate. A $1,080.00 total in Rancho Cucamonga works back to a $1,002.32 pre-tax price and $77.68 of tax. Use “Remove tax” mode above to do this automatically.
Does Rancho Cucamonga's sales tax rate apply everywhere in the Rancho Cucamonga area?
The 7.75% rate applies within Rancho Cucamonga's official city limits. Nearby addresses outside the incorporated boundary can be taxed at a different rate — check CDTFA — Find a Sales and Use Tax Rate for an address-exact figure.
Compare nearby cities in California
See all 483 California cities ranked by combined sales tax rate, or compare:
Researched & verified by the Calcuris Data & Research Team. How we build and check our tools →