Moving from California to Tennessee: Residency, Taxes, and What to Prove

In California

California is both a major origin state, since many nurses domiciled here take travel contracts elsewhere, and the single highest-paying destination state for travel assignments. A nurse's tax home must be a genuine, regularly-returned-to residence with duplicated living expenses; nurses who claim a tax home in Texas or Florida but never actually go back risk having the FTB or IRS reclassify housing stipends as taxable wages if the facts show California, not the claimed state, is really home. A nurse domiciled outside California who works a temporary California assignment as a W-2 traveler does not become a California resident from that assignment alone, but the wages earned during the California contract are still California-source and must be reported on a nonresident Form 540NR.

In Tennessee

Nashville, Memphis, and Knoxville's hospital systems are active travel-nursing markets, but since Tennessee has no income tax, a travel nurse working a Tennessee contract owes no Tennessee state tax on those wages regardless of tax-home status elsewhere; the nurse's tax exposure runs entirely through whatever state actually claims their tax home and any other income-tax states they work in during the year.

In California

California is the most aggressive jock-tax state. FTB counts not just game days but practices, walkthroughs, and even voluntary workouts held at a California team facility during game week, which can turn one road game into three or four California duty days. With the Lakers, Clippers, Warriors, Kings, 49ers, Rams, Chargers, Dodgers, Giants, Padres, and Athletics all based here, nonresident athletes playing any California team face California nonresident tax on their duty-day-apportioned income, while California-domiciled athletes owe California tax on their full worldwide income.

In Tennessee

Tennessee is home to the Titans (NFL), Grizzlies (NBA), and Predators (NHL), and because the state has no individual income tax, it cannot and does not impose a jock tax on visiting players the way most other franchise states do; Tennessee-based players keep more of their income than a comparable player based in a state like California or New York, since neither their home-team income nor any Tennessee duty days are taxed at the state level (visiting players still may owe tax to their own home state and to other states with jock-tax regimes on away-game duty days, just not to Tennessee).

In California

The nine-month presumption under §17016 only creates a rebuttable presumption of residency past that point; it does not create a safe harbor below it. Spending fewer than nine months in California does not guarantee nonresidency; FTB still applies the closest-connections test. This is the classic dual-home audit target described across Bogleheads and r/tax threads: a retiree who keeps the California house, splits time with a Nevada or Arizona property, but leaves a spouse, kids, doctors, or the majority of actual annual days in California.

In Tennessee

Tennessee is not a classic snowbird destination the way Florida or Arizona are, and because it has no income tax, long-term visitors face none of the statutory-residency day-count exposure that snowbirds worry about in states like New York, California, or Hawaii; a person splitting time between Tennessee and a high-tax state should instead focus their planning on that other state's day-count and domicile rules, since Tennessee itself creates no tax trigger.

In California

California has no convenience-of-employer rule like New York's. A nonresident who physically performs all their work outside California for a California-headquartered employer is not California-taxed on those wages solely because the employer is based here. The trigger is the employee's own residency and physical work location, not the employer's address. A California resident, however, owes California tax on remote wages regardless of where the employer sits.

In Tennessee

A remote worker who relocates to Tennessee and works for an out-of-state employer owes no Tennessee tax on those wages, since there is nothing to tax; any exposure runs entirely through the employer's home state and whether that state applies a convenience-of-the-employer rule to the arrangement, which is the reason many remote workers specifically target no-income-tax states like Tennessee for the move.

In California

California follows the federal Servicemembers Civil Relief Act and the Military Spouses Residency Relief Act. Active-duty military domiciled outside California but stationed here under orders are not California residents and their military pay isn't California-taxed. Under MSRRA and the Veterans Benefits and Transition Act, a nonmilitary spouse can elect the servicemember's domicile for state tax purposes instead of being pulled into California residency by physical presence alone.

In Tennessee

Tennessee hosts significant military presence (Fort Campbell straddles the Tennessee/Kentucky line, Arnold Air Force Base, Millington Naval Support Activity), and follows the federal Servicemembers Civil Relief Act and Military Spouses Residency Relief Act; since Tennessee has no income tax, SCRA and MSRRA questions here matter mainly for driver's license, vehicle registration, and voting purposes rather than tax liability.

In California

Federal law (49 U.S.C. §40116) limits taxation of air carrier employees to their state of residence and any state where they earn more than 50% of their pay, overriding ordinary duty-day sourcing. California hosts major crew bases at LAX and SFO, so this carve-out matters heavily for California-based flight crew who fly national or international routes.

In Tennessee

Nashville International Airport is a growing Southwest Airlines base and a secondary hub for several carriers; federal law (49 U.S.C. § 40116) limits state taxation of air carrier employees to their state of residence, which is moot for Tennessee-domiciled crew since Tennessee has no income tax to apply to any portion of their wages regardless of how flight time is distributed.