What changes when a household crosses state lines.
An operating brief for one move, not an explainer. It reads the reasoning graph
from origin to destination and returns what the household must coordinate: the priorities that
change, the standing decisions the move makes stale, and the actions to take before, during, and
after the crossing.
OriginCalifornia
→
DestinationArizona
Prepared as an illustrative operating brief · 2026 edition
Executive summary
Relocating from California to Arizona eases the state's drag on every realized gain, with the household's coordination priorities largely carrying over.
The operating environment that changed
Only the dimensions the move actually changes, origin on the left, destination on the right.
What changed
In California
In Arizona
Capital-gains rate
13.3%Loss treatment conforms to federal: capital losses net against gains and carry forward. Top effective long-term rate 13.3%. Quirk: 12.3% + a 1% surtax over $1M.
→
1.88%Loss treatment conforms to federal: capital losses net against gains and carry forward. Top effective long-term rate 1.88%. Quirk: 25% long-term subtraction (post-2011 lots).
Marriage treatment
2xJoint brackets are double the single brackets, generally marriage-neutral.
→
flatA single flat rate regardless of filing status, marriage-neutral on rate; watch fixed-dollar exemptions and AGI thresholds.
QSBS (§1202)
decoupledDecoupled from IRC §1202, the state does not follow the federal QSBS exclusion, so gain excluded on the federal return can still be taxed by the state.
→
§1202 okConforms to IRC §1202, the federal qualified small business stock gain exclusion carries through to the state return.
Coordination priorities
What the household coordinates in the new environment, who owns it, how soon, and what it depends on. New marks a priority the move opens.
Priority
Reason
Urgency
Owner
Depends on
Asset titling for step-up
Titling assets to capture the fullest basis step-up the marital-property regime allows at the first death.
Near-term
estate attorney
basis step-up
Loss harvesting
Setting a harvesting cadence that captures the state rate a banked loss offsets, sequenced against the state's loss-carryforward rules.
Near-term
advisor + CPA
income taxes, loss treatment
Asset location
Placing the high-turnover sleeve in tax-advantaged accounts so the state's rate falls on the least of the household's realized gains.
Ongoing
advisor
income taxes
Standing decisions to reconsider
Decisions calibrated to the origin's environment that the move makes stale, worth revisiting, not assuming.
Asset locationRate pressure: severe → low
The state takes 1.88% of every long-term gain at the top, low drag on what a realized return keeps.
Loss harvestingHarvesting leverage: high → moderate
A harvested loss is worth the 1.88% state rate it offsets, on top of federal, moderate harvesting leverage.
Residency & domicileMobility value: high → low
The rate is modest, residency is unlikely to be the lever that moves the household's outcome.
Opportunities the move opens
Residency & domicileStands down
no longer triggered at the destination, one fewer thing to coordinate.
The action register
Sequenced by the move, what to do before, during, and after the crossing.
Before the move
Price the domicile questionadvisor Ask for this year's after-tax result on the current holdings in California, set beside the same holdings in a no-income-tax state, and for the list of facts a state examines when it tests domicile. Both are inputs to a decision rather than the decision.
During the move
Establish the new domicilehousehold Take up residence at the destination and begin severing origin-state ties, days present, the primary home, registrations, and affiliations, so the change of domicile is a fact pattern, not a mailing address.
After the move
Check how each account is titledestate attorney Ask how each taxable account is titled today, and what Arizona law does to basis at a first death for that form of ownership. Titling is recorded on custodial paperwork, so this is a document check rather than an opinion.
Establish the harvesting recordadvisor Ask when losses were last harvested in the taxable book, and what loss carryforward is on file. Arizona taxes long-term gains at a top effective 1.88%, which is the figure that answer has to be read against.
Put every account on one pageadvisor Ask which holdings sit in taxable accounts and which sit in tax-deferred ones today, and what turnover each produces. Placement cannot be assessed until both lists are on one page, including the accounts nobody currently manages.
Questions worth asking
Not answers, the questions this move puts on the table, to open the conversation with the household's advisors.
Is the household titled to capture the fullest first-death step-up the new marital-property regime allows?
Does the harvesting cadence still fit the new state's rate and loss-carryforward rules?
Does the investment policy statement still assume the prior tax environment when it places the high-turnover sleeve?
Which advisors, CPA, estate attorney, custodian, need updated instructions reflecting the new domicile?
Should the timing of charitable gifts or large realizations shift across the move?
This brief becomes one entry in a household's operating file.
The Household Record binds the move to the family's standing decisions, coordination priorities, and advisors, the place this brief is coordinated, not filed.
State law reflects 2025 tax-year law; last reviewed 2026-07-07. Every classification is a summary of state law; where a primary-source citation has been verified, it is linked on the card.
What changed
2026-07-07, First law-review date and honest per-cell source labeling; primary-source citations verified for Illinois, California, New York, Texas, and Florida (more in progress).
2025, Washington's 7% (+2.9%) excise on long-term capital gains reflected (enacted 2022).
2025, New Hampshire's Interest & Dividends tax reflected as fully repealed, effective 2025.
2025, Illinois estate-tax detail tracks the pending SB 2970 as of the review date.
Illustrative / hypothetical, not a real track record and not advice. The tax-management impact figure is a hypothetical, after-tax result from the retroactive application of a tax-management model to ~30 years of proxy-spliced market data on a single illustrative path; no client capital was invested, and hypothetical performance does not guarantee future results. Intended for sophisticated investors; it may not be relevant to your situation, and your actual figure depends on your own holdings, basis, and bracket. State tax facts reflect tax year 2025 and can change, confirm with a tax advisor. Driftwood Wealth is the private-wealth practice of Alec Messino. Securities products and advisory services offered through Park Avenue Securities LLC (PAS), member FINRA, SIPC. Alec Messino is a Registered Representative and Financial Advisor of PAS. Driftwood Wealth is not an affiliate or subsidiary of PAS. All figures are illustrative models for educational purposes, not investment, tax, or legal advice, and not a recommendation.
Driftwood. State tax law reflects 2025 tax-year law; last reviewed 2026-07-07. A Crossing Brief is a view of the reasoning graph, it authors no facts of its own.