Does Poshmark send a 1099-K?

Poshmark issues a 1099-K if gross sales exceed $20,000 and you have more than 200 transactions in a year, the federal threshold restored by the 2025 OBBBA law. Some states require it at much lower thresholds. Even without a 1099-K, all income is taxable.

What can Poshmark sellers deduct?

Poshmark sellers can deduct cost of goods sold (what they paid for inventory), Poshmark commission, shipping supplies, mileage to source inventory, a home office if used exclusively for the business, and photography equipment.

Poshmark Tax Calculator — Washington 2026

Free Poshmark reseller tax calculator for Washington (WA), including cost of goods sold. Washington has no state income tax — you only pay federal SE tax (15.3%) and federal income tax. Quarterly payment schedule included. No signup required.

Last updated: July 2026·By the GigWiseTax Team·~5 min read · 1,200 words

Quick Answer — Poshmark Taxes Washington 2026

Poshmark resellers in Washington with $60,000 gross sales and $25,000 in cost of goods sold owe approximately $2,738 total — net profit of $23,000, after Poshmark's 20% commission and cost of goods, taxed at $3,250 self-employment tax (15.3%) + $638 federal income tax. Washington has no state income tax. Quarterly estimated payment: ~$685. The 1099-K reports gross sales, not this profit figure.

Key Takeaways

Poshmark resellers are independent contractors — Poshmark withholds zero taxes
On $60,000 gross sales with $25,000 COGS: net profit $23,000 → ~$3,250 SE tax + ~$638 federal = ~$3,888 total in Washington
Quarterly payments due Apr 15, Jun 16, Sep 15, Jan 15 — ~$972 each
The 1099-K reports gross sales — Poshmark commission and cost of goods come off before you owe tax
Federal 1099-K threshold: $20,000 and 200+ transactions — some states set it far lower
File Schedule C — report all Poshmark income even without a 1099-K

Poshmark Tax Calculator 2026IRS Schedule SE

State of Residence

Filing Status

Annual Gross Poshmark Sales (USD)

The total buyers paid you — this matches the amount on your 1099-K, before Poshmark's commission.

Cost of Goods Sold (USD)

What you originally paid for the items you sold — thrift, wholesale, or clearance receipts. This is not on your 1099-K but it reduces your taxable profit.

Calculate Poshmark Tax Estimate

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Poshmark Taxes in Washington — 2026 Guide

How Poshmark Taxes Work in Washington

Washington has no state income tax. Poshmark resellers in Washington only pay federal income tax and the 15.3% self-employment tax on net profit.

SE Tax

15.3%

On net profit, federal

Federal Tax

10-37%

Based on net profit

WA State Tax

None

No state income tax

Top Tax Deductions for Poshmark Sellers in Washington

Cost of goods sold — what you originally paid for resold items

Poshmark selling fee (20% on sales $15+, $2.95 flat under $15)

Shipping supplies — boxes, mailers, tape, labels

Mileage sourcing inventory — thrift stores, estate sales, wholesale

Photography equipment & lighting for listings

Home office deduction (storage/staging space)

Self-employed health insurance premiums

Half of self-employment tax (SE tax deduction)

Accounting & tax software

Business bank account fees

The 1099-K reports gross sales before Poshmark's commission and before cost of goods sold — it is not your taxable profit. — IRS Self-Employed Tax Center

FAQ — Poshmark Taxes in Washington 2026

Q: Do Poshmark sellers pay taxes in Washington?

Yes, on net profit. In Washington, Poshmark sellers pay 15.3% self-employment tax plus federal income tax. There is no Washington state income tax.

Q: Do I need quarterly payments in Washington?

In Washington, you only need federal quarterly estimated payments (Form 1040-ES) if you expect to owe $1,000 or more. No state payments required.

Q: Does the 1099-K show my Poshmark profit in Washington?

No. The 1099-K reports gross sales — what buyers paid before Poshmark's 20% commission and before your cost of goods sold. Your actual taxable profit is smaller, and it is the same calculation regardless of which state you live in.

Disclaimer: State tax rates are for estimation purposes only. Not affiliated with Poshmark or any government agency. Consult a licensed CPA for advice.

Poshmark Tax in Other States