What is the sales tax in Belknap county? - The sales tax in Belknap county of New Hampshire is 0% as of 2025. Use the Belknap sales tax calculator to calculate the sales tax for any purchase in Belknap.
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Below is a list of the sales tax rate for each county in Belknap.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Belknap | New Hampshire | Alton | 03809 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Alton Bay | 03810 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Barnstead | 03218 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Belmont | 03220 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Center Barnstead | 03225 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Center Harbor | 03226 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Gilford | 03249 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Gilmanton | 03237 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Gilmanton Iron Works | 03837 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Laconia | 03246 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Meredith | 03253 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | New Hampton | 03256 | 0% | 0% | 0% | 0% |
| Belknap | New Hampshire | Sanbornton | 03269 | 0% | 0% | 0% | 0% |