Sales tax in Unincorporated Siskiyou County, CA
The combined sales tax rate in Unincorporated Siskiyou County, CA is about 7.25%, and ranges from 7.25% to 8.75% depending on the exact address.
Estimated from 23 ZIP codes covering Unincorporated Siskiyou County. Enter your ZIP code in the calculator for a closer figure.
- ZIP codes
- 23 on file · 14 wholly inside the city limits
ZIP codes in Unincorporated Siskiyou County
23 on file — 14 wholly inside the city limits and 9 crossing them. Each has its own page.
14 ZIP codes wholly inside Unincorporated Siskiyou County
Every address in these is inside the city limits, so all of them pay Unincorporated Siskiyou County's rate.
| ZIP code | Combined rate | Also reaches |
|---|---|---|
| 95556 | ~8.75% (7.25%–8.75%) | Unincorporated Humboldt County |
| 95568 | 7.25% | no other city |
| 96014 | 7.25% | no other city |
| 96031 | 7.25% | no other city |
| 96034 | 7.25% | no other city |
| 96037 | 7.25% | no other city |
| 96038 | 7.25% | no other city |
| 96039 | 7.25% | no other city |
| 96044 | 7.25% | no other city |
| 96050 | 7.25% | no other city |
| 96057 | 7.25% | no other city |
| 96058 | 7.25% | no other city |
| 96085 | 7.25% | no other city |
| 96086 | 7.25% | no other city |
9 ZIP codes crossing the city line
Part of each of these lies outside Unincorporated Siskiyou 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 |
|---|---|---|
| 96023 | 7.25% | Dorris |
| 96025 | 8.25% | Dunsmuir and Unincorporated Shasta County |
| 96027 | 7.25% | Etna |
| 96032 | 7.25% | Fort Jones |
| 96064 | 7.25% | Montague and Yreka |
| 96067 | 7.5% | Dunsmuir and Mount Shasta |
| 96094 | 7.5% | Weed |
| 96097 | 8.75% | Yreka |
| 96134 | 7.25% | Tulelake and Unincorporated Modoc County |
Who levies sales tax across Unincorporated Siskiyou County's ZIP codes
Each government below levies its own share, but not all of them reach every address: the ZIP codes covering Unincorporated Siskiyou 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 23 ZIP codes | Jan 1, 2017 | California sales and use tax rates by jurisdiction |
| Unincorporated Siskiyou County | city | 0% | all 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Dunsmuir | city | 1% | 2 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Yreka | city | 1.5% | 2 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Dorris | city | 0% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Etna | city | 0% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Fort Jones | city | 0% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Montague | city | 0% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Mount Shasta | city | 0.25% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Tulelake | city | 0% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Humboldt County | city | 1.5% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Modoc County | city | 0% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Shasta County | city | 0% | 1 of 23 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Weed | city | 0.25% | 1 of 23 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 Siskiyou County, CA
- ZIP codes shared with a neighbour. 10 of Unincorporated Siskiyou County's 23 ZIP codes are also reached by Dunsmuir, Yreka, Dorris and Etna and 8 other places, so an address in one of them can owe a neighbour's rate instead of Unincorporated Siskiyou 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 Siskiyou County compares with the rest of California
Unincorporated Siskiyou County's ~7.25% is the lowest combined rate on file in California. Of the state's 2,584 ZIP codes with a figure, 282 land on the same one, 0 carry a lower figure and 2,302 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 | |
| ~8.75% | 373 | |
| ~9.75% | 346 | |
| ~7.25% | 282 | Unincorporated Siskiyou County |
| ~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.
- No signup
- Use the calculator immediately. Nothing to create, nothing to install.
- Missing means missing
- Where a rate is not verified we say so instead of showing a short total.