Sales tax in Unincorporated San Joaquin County, CA
The combined sales tax rate in Unincorporated San Joaquin County, CA is about 7.75%, and ranges from 7.75% to 9.25% depending on the exact address.
Estimated from 35 ZIP codes covering Unincorporated San Joaquin County. Enter your ZIP code in the calculator for a closer figure.
- ZIP codes
- 35 on file · 9 wholly inside the city limits
ZIP codes in Unincorporated San Joaquin County
35 on file — 9 wholly inside the city limits and 26 crossing them. Each has its own page.
9 ZIP codes wholly inside Unincorporated San Joaquin County
Every address in these is inside the city limits, so all of them pay Unincorporated San Joaquin County's rate.
| ZIP code | Combined rate | Also reaches |
|---|---|---|
| 94505 | 8.75% | Unincorporated Alameda County and Unincorporated Contra Costa County |
| 95220 | 7.75% | no other city |
| 95227 | ~7.75% | no other city |
| 95230 | 7.875% | Unincorporated Calaveras County and Unincorporated Stanislaus County |
| 95236 | 7.75% | Unincorporated Calaveras County |
| 95237 | 7.75% | no other city |
| 95253 | ~7.75% | no other city |
| 95385 | ~7.875% (7.75%–7.875%) | Unincorporated Stanislaus County |
| 95686 | ~7.75% | no other city |
26 ZIP codes crossing the city line
Part of each of these lies outside Unincorporated San Joaquin County. An address in one may be taxed at a neighbour's rate instead, and the figure shown is the most likely one across the whole ZIP code.
| ZIP code | Combined rate | Also reaches |
|---|---|---|
| 95203 | 9% | Stockton |
| 95204 | 9% | Stockton |
| 95205 | 9% | Stockton |
| 95206 | 9% | Stockton |
| 95207 | 9% | Stockton |
| 95209 | 9% | Stockton |
| 95210 | 9% | Stockton |
| 95212 | 9% | Stockton |
| 95215 | 7.75% | Stockton |
| 95219 | 9% | Stockton and Unincorporated Contra Costa County |
| 95231 | 7.75% | Lathrop and Stockton |
| 95240 | 8.25% | Lodi |
| 95242 | 8.25% | Lodi and Stockton |
| 95258 | 7.75% | Lodi |
| 95304 | 8.25% | Lathrop, Tracy and Unincorporated Stanislaus County |
| 95320 | 8.75% | Escalon |
| 95330 | 8.75% | Lathrop and Manteca |
| 95336 | 9% | Manteca and Stockton |
| 95337 | 9% | Manteca |
| 95361 | 8.375% | Oakdale and Unincorporated Stanislaus County |
| 95366 | 7.75% | Manteca and Ripon |
| 95376 | 8.25% | Tracy |
| 95377 | 8.25% | Tracy and Unincorporated Alameda County |
| 95391 | 7.75% | Mountain House and Unincorporated Alameda County |
| 95632 | 9.25% | Galt and Unincorporated Sacramento County |
| 95641 | 7.75% | Isleton and Unincorporated Sacramento County |
Who levies sales tax across Unincorporated San Joaquin County's ZIP codes
Each government below levies its own share, but not all of them reach every address: the ZIP codes covering Unincorporated San Joaquin County reach into more than one city, and an address pays only the shares whose boundary it falls inside.
| Jurisdiction | Type | Rate | Applies to | Effective | Source |
|---|---|---|---|---|---|
| California | state | 7.25% | all 35 ZIP codes | Jan 1, 2017 | California sales and use tax rates by jurisdiction |
| Unincorporated San Joaquin County | city | 0.5% | all 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Stockton | city | 1.75% | 13 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Manteca | city | 1.75% | 4 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Stanislaus County | city | 0.625% | 4 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Lathrop | city | 1.5% | 3 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Lodi | city | 1% | 3 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Tracy | city | 1% | 3 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Alameda County | city | 3% | 3 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Calaveras County | city | 1% | 2 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Contra Costa County | city | 1.5% | 2 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Sacramento County | city | 0.5% | 2 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Escalon | city | 1.5% | 1 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Galt | city | 2% | 1 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Isleton | city | 1.5% | 1 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Mountain House | city | 0.5% | 1 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Oakdale | city | 1.125% | 1 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Ripon | city | 0.5% | 1 of 35 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
No total is shown because more than one city is listed. An address falls inside only one of each, so these shares are alternatives rather than a stack, and adding them all up would give a figure nobody pays.
What can change the tax you pay in Unincorporated San Joaquin County, CA
- ZIP codes shared with a neighbour. 30 of Unincorporated San Joaquin County's 35 ZIP codes are also reached by Stockton, Manteca, Unincorporated Stanislaus County and Lathrop and 12 other places, so an address in one of them can owe a neighbour's rate instead of Unincorporated San Joaquin County's.
- What you are buying. Categories are not taxed alike. The calculator switches between general merchandise, prepared food and lodging, which are the categories we hold rates for here.
How Unincorporated San Joaquin County compares with the rest of California
Unincorporated San Joaquin County's ~7.75% is the most common combined rate in California. Of the state's 2,584 ZIP codes with a figure, 535 land on the same one, 293 carry a lower figure and 1,756 a higher one. Across California the combined rate runs from 7.25% to 11.25%. See every city in California.
| Combined rate | ZIP codes | Which is this city |
|---|---|---|
| ~7.75% | 535 | Unincorporated San Joaquin County |
| ~8.75% | 373 | |
| ~9.75% | 346 | |
| ~7.25% | 282 | |
| ~8.25% | 189 |
Counted from ZIP-code figures. A tilde marks a band where some ZIP codes cross a tax boundary and are counted at their most likely rate.
How sales tax is collected
The seller generally collects the tax from the buyer at the point of sale and passes it to the authorities that levied it. In most states it is added at the till rather than included in the advertised price. Read how sales tax works, including sourcing rules, online purchases and who is required to collect.
Rates last verified: Sep 4, 2026. This is when the source was last read, not when this page was last edited.
TaxAndTips provides informational estimates from published tax-rate data. Actual tax treatment can depend on the product or service, the exact address, the transaction, exemption status and applicable law. For official obligations, consult the taxing authority or a qualified tax professional.
Why you can rely on these figures
- Published rates
- State and local rates compiled from the tax authorities that levy them.
- Every figure sourced
- See the jurisdiction breakdown and the document each rate came from.
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