💼 Side Hustle Tax Calculators California

California Side Hustle Tax Calculator

Calculate taxes on side hustle income in California. See self-employment tax, federal & state taxes, and quarterly payment estimates for gig workers.

Free — No Sign-up Verified Data Editorially Reviewed Updated Feb 2026

California Quick Facts

13.3% Income Tax Rate

0.76% Property Tax Rate

$91,905 Median Income

142.2 Cost of Living

How This Calculator Works

Calculation methodology and assumptions

Side hustle tax calculation for California. Side income over $400 triggers self-employment tax (15.3% on 92.35% of net earnings), covering Social Security (12.4%) and Medicare (2.9%). Federal income tax applies at marginal rates based on combined W-2 + side income. California state tax applies at up to 13.3%. Deductible expenses reduce both income tax and SE tax bases.

Key State Information

California side hustle tax facts: State tax up to 13.3% | Cost of living index 142.2 | Median income $91,905.

Standard financial formulas Pre-filled with real state data Estimates only — not financial advice

Data Source

IRS, Tax Foundation

View Original Source | Verified 2024-12-01 | Updated annually

Frequently Asked Questions

How much tax do I pay on side hustle income in California?

Side hustle income is subject to self-employment tax (15.3%) plus federal income tax at your marginal rate (typically 22-32% for most side hustlers). In California, add 13.3% state tax. Total effective rate is typically 30-45%.

Do I need to pay quarterly taxes on side hustle income in California?

If you expect to owe $1,000+ in taxes on your side income, the IRS requires quarterly estimated payments (due April 15, June 15, Sep 15, Jan 15). California also requires quarterly state estimated payments if you owe $500+.