The State Tax Trap: Where the Same Retirement Portfolio Buys You Thousands More Every Year

Two retirees with identical $1.5 million portfolios can end up with $7,000 more in annual spendable income simply by living in Florida instead of California.

REIT and BDC distributions like those from O and ARCC are taxed as ordinary income up to 37% federally, costing a California retiree roughly $186,000 over a 25-year retirement.

U.S. Treasury interest is exempt from state taxes by federal law, making SGOV a powerful income tool in high-tax states like California.

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Picture two retirees with identical $1.5 million portfolios throwing off $80,000 a year in taxable portfolio income. One lives in Naples, Florida. The other lives in San Diego. If that income is taxed as ordinary income and falls in California's 9.3% bracket, the California retiree could lose about $7,440 a year to state income tax alone. The headline yield is the same. The portfolio is the same. The state is not, and that single variable can rewrite the math of retirement.

Many retirement income plans still anchor on gross yield and stop there. That misses the order that matters in real life: the IRS gets paid first, the state may get paid second, and Medicare can raise premiums when income pushes a retiree across an IRMAA threshold.

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Conservative tier (3% to 4%): $80,000 divided by 0.035 equals roughly $2,286,000. This is the dividend growth and short-Treasury range, anchored by names like Johnson & Johnson ( NYSE:JNJ ) at a 2.1% yield with 64 consecutive years of increases, blended with ultra-short Treasuries.

Moderate tier (5% to 7%): $80,000 divided by 0.055 equals roughly $1,455,000. The range of REITs, preferreds, and high-dividend equity. Realty Income ( NYSE:O ) sits here at a 5.2% yield with 670 consecutive monthly dividends.

Aggressive tier (8% to 12%): $80,000 divided by 0.10 equals $800,000. Business development companies, leveraged covered-call funds, mortgage REITs. Ares Capital ( NASDAQ:ARCC ) yields 10.7%, paid out of a portfolio yielding 10.3% at amortized cost.

The tax character of each tier can matter as much as the yield itself. Johnson & Johnson generally pays qualified dividends, which are taxed at federal long-term capital-gain rates of 0%, 15%, or 20% when holding-period rules are met. REIT and BDC distributions are often largely ordinary income, though they can also include capital gain, return of capital, or other tax components depending on the year.

State tax is where geography can change the outcome. California's top rate reaches 13.3%, Hawaii's reaches 11%, New York's reaches 10.9%, New Jersey's reaches 10.75%, and Oregon's reaches 9.9%. Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming have no broad-based individual income tax, though Washington taxes certain high-income capital gains.

A California retiree with $80,000 of ordinary investment income may see some or all of that income taxed in the state's 9.3% bracket, depending on filing status and other taxable income. At 9.3%, the state tax hit on $80,000 is $7,440. Across a 25-year retirement, that equals $186,000 before considering any investment growth on money that could have been kept.

Federal law exempts U.S. Treasury interest from state and local tax. That makes iShares 0-3 Month Treasury Bond ETF (NYSEARCA:SGOV) one of the cleaner taxable-account income sources in a high-tax state. Recent 3-month Treasury bill rates were about 3.7%, and SGOV's 30-day SEC yield was 3.54% as of June 30, 2026. For a California resident in the 9.3% bracket, a taxable corporate bond fund would need to yield roughly 3.9% to match SGOV's 30-day SEC yield after state tax.

Municipal bonds work the other direction. Interest from qualifying state and local bonds is generally excluded from federal gross income, and an in-state muni fund may add state tax exemption for residents of that state. iShares National Muni Bond ETF (NYSEARCA:MUB) had a 30-day SEC yield of 3.34% as of June 30, 2026. For a retiree in the 24% federal bracket, a 3.5% muni yield is the taxable equivalent of about 4.6%.

Once a retired couple's modified adjusted gross income crosses $218,000 for 2026 Medicare premiums, Part B premiums rise from $202.90 a month to $284.10 per person, and Part D surcharges can also apply. Ordinary REIT and BDC income counts toward that threshold. So does tax-exempt municipal interest, because SSA defines IRMAA MAGI as AGI plus tax-exempt interest.

Inflation finishes the job. Headline PCE rose 4.1% year over year in May 2026, while the 10-year Treasury yield was around 4.4% to 4.5% in early July. A flat 10% BDC distribution that never grows loses purchasing power when inflation persists. J&J's quarterly dividend rose from $1.24 in 2024 to $1.34 in 2026. Slower yield, faster growth, and better tax character can sometimes win after the state takes its cut.