2026 tax year

Poshmark tax calculator

Poshmark reports what it paid you and withholds nothing. The number on your 1099-NEC is not the number you are taxed on.

Same answer as the rest of the category For tax purposes Poshmark works like every other seller platform, same form, same deductions, same treatment. Rather than repeat 51 near-identical state pages under each brand, the state-by-state figures live on the marketplace seller pages. What follows is what is specific to Poshmark.

Materials, or what you paid to resell.

Enter your sales and costs.

Your 1099-K shows gross, not profit, reconcile it here. Full profit tool: seller profit calculator.

What Poshmark sellers can deduct

The dataset lists 3 deduction categories for Poshmark: cost basis items, the platform’s own fees, shipping and packing supplies. They are only deductible if you kept the record.

DeductionAmount
Cost of goods sold, 35% of sales$9,800
Total deductions$9,800
Net profit, the taxable figure$18,200

On $28,000 of gross, 35% never reaches taxable profit. The gross and the cost figures illustrate the shape of the work, they are not a claim about what anyone earns, and every rate applied to them is from the verified 2026 dataset.

Nothing is withheld These platforms are not employers and take nothing out. What you owe is paid in four instalments across the year, see quarterly estimated payments.

Poshmark taxes by state

Pick your state, the marketplace seller pages carry Poshmark's treatment along with every other platform of its kind:

Other gig categories