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EquityTax

Professional equity compensation tax planning

Calculators

ISO AMT Calculator
RSU Tax Calculator
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State Tax Articles | EquityTax Blog

#State Tax

State Tax Articles

How state taxes affect equity compensation — compare rates from 0% to 13.3% across CA, NY, TX, WA, and more. See how your state impacts RSU and ISO income.

31 articles

All Tax Planning RSU Taxes Stock Options Equity Compensation State Tax By State

State Tax

Oregon RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

Oregon rsu tax calculator: see the gap between the 22% federal supplemental withholding on your vest and what you actually owe with Oregon's 9.9% top rate. Run your numbers in 60 seconds.

Mike Navarro·June 16, 2026·5 min read

#Oregon#RSU #Withholding+2 more

State Tax

New York RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

New York RSU tax calculator: 22% federal vs NY's 11.7% supplemental and 10.9% top rate, three worked vests — see the gap for your bracket.

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ISO AMT Calculator

Find your AMT-free exercise limit before it costs you $20K+

RSU Tax Calculator

Uncover hidden withholding shortfalls on your RSU vests

Mike Navarro·June 16, 2026·6 min read

#New York#RSU #Withholding+2 more

State Tax

New York ISO AMT Calculator (2025): Exercise Limits and Worked Examples

New York ISO AMT calculator: federal 26%/28% AMT plus NY 10.9% top rate (NYC adds 3.876%). See worked examples — find your AMT-free limit in 60s.

Mike Navarro·June 16, 2026·6 min read

#New York#ISO #AMT+2 more

State Tax

New Jersey RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

New Jersey RSU tax calculator: federal 22% supplemental vs NJ brackets up to 10.75% over $1M — three worked vests and the dollar shortfall.

Mike Navarro·June 16, 2026·6 min read

#New Jersey#RSU #Withholding+2 more

State Tax

North Carolina RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

North Carolina RSU tax calculator with three worked vesting examples — see the federal-plus-4.5% NC liability, the supplemental-withholding gap, and the dollar shortfall at filing.

Mike Navarro·June 16, 2026·5 min read

#North Carolina#RSU #Withholding+2 more

State Tax

Massachusetts RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

Massachusetts RSU tax calculator: federal 22% supplemental vs MA flat 5% (plus the 4% Fair Share surtax above $1M), three worked vests, and the dollar shortfall.

Mike Navarro·June 16, 2026·5 min read

#Massachusetts#RSU #Withholding+2 more

State Tax

Illinois RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

Illinois RSU tax calculator with three worked vesting examples — see the federal-plus-4.95% Illinois liability, the supplemental-withholding gap, and the dollar shortfall at filing.

Mike Navarro·June 16, 2026·5 min read

#Illinois#RSU #Withholding+2 more

State Tax

Georgia RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

Georgia RSU tax calculator with three worked vesting examples — see the federal-plus-5.39% Georgia liability, the supplemental-withholding gap, and the dollar shortfall at filing.

Mike Navarro·June 16, 2026·5 min read

#Georgia#RSU #Withholding+2 more

State Tax

Florida RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

Florida RSU tax calculator for 2025: no state income tax at vest, 22% federal supplemental, no FL capital gains. See the federal gap for your bracket.

Mike Navarro·June 16, 2026·5 min read

#Florida#RSU #Withholding+2 more

State Tax

Colorado RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

Colorado RSU tax calculator with three worked vesting examples — see the federal-plus-4.4% Colorado liability, the supplemental-withholding gap, and the dollar shortfall at filing.

Mike Navarro·June 16, 2026·5 min read

#Colorado#RSU #Withholding+2 more

State Tax

California RSU Tax Calculator (2025): Withholding, Shortfall, and Vesting Examples

California taxes RSU income at a top marginal rate of 13.3% and withholds at just 10.23% — see the gap for your bracket and run your numbers in 60 seconds.

Mike Navarro·June 16, 2026·5 min read

#California#RSU #Withholding+2 more

State Tax

California QSBS Exclusion Calculator (2025): §1202 Eligibility and Worked Examples

California QSBS exclusion explained: §1202 wipes out federal tax on up to $10M of gain, but CA gives you $0 state relief. See your CA tax bill in 60 seconds.

Mike Navarro·June 16, 2026·4 min read

#California#QSBS#Section 1202+2 more

Multi-Year Planner

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83(b) Election Calculator

Compare tax outcomes of filing vs. not filing an 83(b)

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