Sales tax in Unincorporated Lake County, CA
The combined sales tax rate in Unincorporated Lake County, CA is about 7.25%, and ranges from 7.25% to 8.75% depending on the exact address.
Estimated from 15 ZIP codes covering Unincorporated Lake County. Enter your ZIP code in the calculator for a closer figure.
- ZIP codes
- 15 on file · 13 wholly inside the city limits
ZIP codes in Unincorporated Lake County
15 on file — 13 wholly inside the city limits and 2 crossing them. Each has its own page.
13 ZIP codes wholly inside Unincorporated Lake County
Every address in these is inside the city limits, so all of them pay Unincorporated Lake County's rate.
| ZIP code | Combined rate | Also reaches |
|---|---|---|
| 95423 | 7.25% | no other city |
| 95426 | 7.25% | no other city |
| 95435 | 7.25% | no other city |
| 95443 | 7.25% | no other city |
| 95451 | 7.25% | no other city |
| 95457 | 7.25% | no other city |
| 95458 | 7.25% | no other city |
| 95461 | 7.25% | no other city |
| 95464 | 7.25% | no other city |
| 95467 | 7.25% | no other city |
| 95469 | 7.875% | Unincorporated Mendocino County |
| 95485 | 7.25% | no other city |
| 95493 | 7.25% | no other city |
2 ZIP codes crossing the city line
Part of each of these lies outside Unincorporated Lake 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.
Who levies sales tax across Unincorporated Lake County's ZIP codes
Each government below levies its own share, but not all of them reach every address: the ZIP codes covering Unincorporated Lake 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 15 ZIP codes | Jan 1, 2017 | California sales and use tax rates by jurisdiction |
| Unincorporated Lake County | city | 0% | all 15 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Clearlake | city | 1.5% | 1 of 15 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Lakeport | city | 1.5% | 1 of 15 ZIP codes | Jul 1, 2026 | California sales and use tax rates by jurisdiction |
| Unincorporated Mendocino County | city | 0.625% | 1 of 15 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 Lake County, CA
- ZIP codes shared with a neighbour. 3 of Unincorporated Lake County's 15 ZIP codes are also reached by Clearlake, Lakeport and Unincorporated Mendocino County, so an address in one of them can owe a neighbour's rate instead of Unincorporated Lake 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 Lake County compares with the rest of California
Unincorporated Lake 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 Lake 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
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- Missing means missing
- Where a rate is not verified we say so instead of showing a short total.