Moving From Texas to Arizona: What Happens to Your Taxes in Retirement?

Start with the income side, because it is the part that surprises people. Texas is one of a handful of states with no personal income tax, so a Texas retiree pays zero state tax on pension income, IRA and 401(k) withdrawals, annuity payments, interest, dividends, and capital gains. Arizona taxes nearly all of that at a flat 2.5%. On $100,000 a year of withdrawals, that is roughly $2,500 a year that did not exist before. It is a real cost and it recurs every year of retirement.

Social Security is the one category that does not change. Neither state taxes it. If a large share of your retirement income is Social Security, the income tax increase from this move is smaller than the headline suggests, because only the non-Social-Security portion is exposed to Arizona's 2.5%.

Now the property tax side, which is where the money usually comes back. Texas funds itself largely through property tax and its effective rate on owner-occupied housing runs around 1.4% statewide, with plenty of counties higher. Arizona's effective rate is roughly 0.5%. On a $600,000 home that difference is on the order of $5,000 a year, which comfortably exceeds the income tax increase for most retirees. For a household with a paid-off house and moderate withdrawals, this relocation is frequently a net tax reduction even though the income tax went up.

Texas does offer real property tax relief to seniors, and it should be counted honestly rather than waved away. Homeowners 65 and older can claim an additional homestead exemption against school district taxes and, more importantly, get a ceiling that freezes school district taxes at the level in place when they qualified. A Texas retiree who has held that freeze for years may have a property tax bill well below the statewide average, which narrows or occasionally erases the Arizona advantage. The freeze does not transfer, so the comparison has to use your actual current Texas bill, not the state average.

The timing logic runs backwards from the California version of this move, and this is the single most valuable thing to understand here. When you leave a high-tax state, you wait to recognize income until after you arrive. When you leave Texas, the zero-tax state is the one you are leaving, so income recognized while you are still a Texas resident escapes state tax entirely. A large Roth conversion, a business sale, exercising concentrated stock options, or realizing a big capital gain all belong on the Texas side of the line if the timing is genuinely flexible.

That said, do not let the 2.5% drive a decision that federal tax should drive. Arizona's rate is low enough that it is rarely the deciding factor in whether a Roth conversion makes sense at all. The federal bracket, the effect on IRMAA two years later, and the taxation of Social Security are all larger levers than 2.5%. The right sequencing is to decide how much to convert on federal grounds first, then, if you have latitude on the calendar, place it on the Texas side of the move.

One more piece belongs in a complete picture: neither Texas nor Arizona has a state estate or inheritance tax, so nothing changes on that front. Arizona is also a community property state and Texas is as well, so the community property character of assets and the full step-up in basis available to a surviving spouse generally carry across the move rather than being disrupted by it.

Run the comparison with your actual numbers rather than state averages. The two figures that decide this are your real current Texas property tax bill, including any 65-and-over school district freeze you already hold, and your expected annual withdrawals from pre-tax accounts. If your Texas property tax exceeds 2.5% of your planned withdrawals, and for most homeowners it does, Arizona comes out ahead.

If a large one-time income event is anywhere on your horizon, a Roth conversion, a business sale, an appreciated asset you have been meaning to unwind, look hard at whether it can happen while you are still a Texas resident. This is a genuine and time-limited opportunity that closes permanently on the day you establish Arizona domicile.

Do not over-rotate on the 2.5%. It is a modest rate by national standards, and Arizona's low property tax, absence of an estate tax, and full exemption of Social Security make the overall picture favorable for most retiring households. The point is to sequence the move deliberately, not to avoid it.

• Assuming every Sun Belt move lowers taxes, and discovering the 2.5% flat rate only after the first Arizona return. It is usually a good move overall, but the income tax genuinely goes up and it should be in the plan from the start.
• Doing a large Roth conversion in the first Arizona tax year when it could have been done as a Texas resident for no state tax at all. This is the most expensive avoidable error in this particular relocation.
• Comparing the Texas statewide average property tax to Arizona instead of using your own bill. A long-held 65-and-over school district freeze can put your actual Texas rate far below average and change the answer.
• Forgetting that the Texas senior school district tax ceiling does not follow you. The relief you have built up in Texas ends at the state line, so the comparison should be against your new Arizona bill rather than your frozen Texas one.
• Letting a 2.5% state rate override federal bracket management, IRMAA thresholds, and Social Security taxation, all of which are larger levers than the Arizona income tax.