State Capital Gains Taxes, Home Sales, and Wealth Taxes on the Rich

Selling a home, a business, or a large stock portfolio before or after a move can trigger federal tax and, in many states, additional state tax on the gain. Separately, several states have enacted or proposed high-earner surcharges and wealth taxes aimed at top incomes and net worth.

This guide covers capital gains on home sales and investments, taxes focused on the rich, and how they interact with relocation — distinct from residency exit rules and NJ home-sale withholding.

Related: Exit taxes overview · Pending proposals · Calculators

Federal baseline: home sale exclusion

For a primary residence you owned and lived in 2 of the last 5 years:

• Single filers: exclude up to $250,000 of gain
• Married filing jointly: exclude up to $500,000 of gain

Gain above the exclusion is generally long-term capital gain for federal purposes (often 15%–20% depending on income, plus 3.8% NIIT for high earners). State rules vary — many states tax the taxable gain as ordinary income.

How our four high-tax origin states treat capital gains

Most states with an income tax do not give capital gains a preferential rate. Business and investment gains are taxed at the same brackets as wages.

Example: taxable gain after federal home exclusion

Sell a primary home with $900,000 total gain, $500,000 excluded federally (married):

• Taxable gain: $400,000
• California state tax (approx.): ~$40,000–$53,000 depending on other income (13.3% top bracket on portion)
• New York + NYC (approx.): ~$50,000–$58,000 combined on NYC resident
• Texas / Florida: $0 state income tax on the gain

These are illustrative — actual tax depends on total return, AMT, SALT cap, and part-year residency. Use a CPA for a liquidity event.

Washington: capital gains excise (not on homes)

Washington has no state income tax on wages, but since 2022 it imposes a capital gains excise tax on individuals for certain long-term capital assets.

Key rules (2025+)

• Real estate is fully exempt — including primary homes, second homes, and investment property sales
• Tax applies to assets such as stocks, bonds, business interests, and other qualifying long-term gains allocated to Washington
• 2025 tiered rates: 7% on the first $1 million of taxable Washington capital gains; 9.9% (7% + 2.9%) above $1 million
• Earlier years used a lower annual exclusion threshold (~$262k); verify current DOR guidance for your tax year

Relocation angle: Moving from California to Washington eliminates 13.3% state income tax on wages but does not eliminate Washington’s tax on a $2M stock sale — potentially ~$128,000+ in WA capital gains excise vs. $0 in Texas or Florida on the same gain.

See Relocating to Washington.

Massachusetts: millionaire surtax (in effect)

Massachusetts voters approved the Fair Share Amendment (2022). An additional 4% surtax applies to annual taxable income over $1 million — including capital gains and business sale proceeds in that year.

Example: $1.5M taxable income in one year (e.g., business sale + wages):

• Base MA tax on first $1M at ordinary rates
• +4% on the $500,000 above $1M = ~$20,000 surtax

This is not an exit tax, but it heavily affects liquidity events in the year you sell a company or realize large gains — often the same year people consider moving.

New Jersey home sales when leaving the state

Even when gain is taxable, NJ may require estimated tax at closing when you sell as a nonresident — commonly called the NJ exit tax:

• Greater of 2% of sales price or 10.75% of gain
• Section 121 full exclusion → GIT/REP-3 exemption may eliminate withholding

A $400,000 taxable gain on an NJ home could mean ~$43,000 prepayment at closing (10.75% of gain) before refund reconciliation.

Taxes focused on the rich and people leaving

Already in effect

Pending or proposed (not law unless noted)

Selling a business or stock before vs. after the move

Timing matters for sourcing and residency:

1. Sell while still a CA/NY resident → home state taxes the gain at full rates (up to 13.3% CA, ~14.8% NY+NYC combined in top brackets)
2. Establish domicile first, then sell → may reduce state tax if the new state has no income tax — but sourcing rules may still allocate gain to the old state for work performed or assets located there
3. Washington move + stock sale → WA excise may apply; Texas/Florida move + stock sale → often no state tax on the gain (federal still applies)

Always model part-year returns and multi-state sourcing with a CPA before signing a purchase agreement or LOI.

No-income-tax destinations for large gains

Among states we cover, these generally impose no state income tax on capital gains from stocks or business sales:

• Texas — constitutional wealth-tax ban; no state CG income tax
• Florida — no state income tax
• Nevada — no state income tax
• Tennessee — no state income tax on wages and most investment income

Exception: Washington — no wage tax but capital gains excise on large non-real-estate gains.

Practical checklist before a home sale or liquidity event

1. Federal Section 121 — Do you qualify for full or partial exclusion?
2. State residency on closing date — NJ GIT/REP and other withholding rules
3. Installment sales / QSBS / opportunity zones — federal planning may interact with state moves
4. Ongoing annual savings after the move — combined calculator with W-2 + business income
5. Pending wealth taxes — California ballot if net worth is nine figures

Bottom line

Home sellers face federal gain tax above the $250k/$500k exclusion, plus state income tax in CA/NY/NJ/IL, plus NJ-style closing withholding when leaving. Investors and business sellers face the highest stakes in California and New York City, while Washington targets large non-real-estate gains without taxing wages. Wealth-tax and billionaire proposals remain mostly pending — except Massachusetts’ millionaire surtax, which is already law.

Next: Cost to leave by state · All states savings summary · Why move now