July 12, 2025
California taxes aren’t just about where you live — they’re about where the state thinks you live. Learn how residency is defined, why it matters, and how to avoid unexpected tax bills.
A California Resident is any individual who is:
This definition is intended to tax any individual enjoying the benefits and protection of California laws and government as a resident
The place where you have a fixed presence or residence without any present intention of permanently leaving.
An individual who is domiciled in California and who leaves the State retains California domicile as long as they have a definite intention of returning; regardless of the length of time or the reasons for leaving.
An individual can be considered a resident without being domiciled in California, and An individual can be domiciled in California without being considered a resident
Whether an individuals purpose inside or outside of California is "temporary or transitory" heavily depends on the facts and circumstances of each case.
A wife who was living with her husband in Mexico and who visited their California home occasionally did not become a California resident.
Taxpayer became a California resident when he:
The facts suggested that the purpose of the taxpayer’s periodic returns to Ohio were to wind up his affairs, and the burden of proof belonged to the taxpayer to prove otherwise.
”You are a resident of the place where you have the closest connections” - CA FTB
When contemplating your residency status, it’s important both to compare your ties to California with your ties elsewhere. Both the strength of your ties, and number of ties, will be relevant factors in determining your state residency.
The type and amount of proof required to establish an individual as a nonresident is not specified by regulation and is highly dependent on your particular facts and circumstances.
Some factors that may be considered include:
This is only a partial list of factors to consider. No one factor is determinative, and all facts of your particular situation should be used to determine your status.
Any resident of California continues to be a resident if they are absent from the state for a temporary or transitionary purpose
If you are domiciled in California and living outside the state under an employment-related contract for at least 546 consecutive* days (~ 1.5 years), you will be considered a nonresident, unless:
*Visits to California that do not exceed a total of 45 days during any tax year covered by the employment contract are considered temporary.
If you do not meet the criteria to be covered under this safe harbor, your residency will be determined based on the facts and circumstances of your case
In March 2021, you declared yourself to be a resident of Nevada, where you have a summer home.
Your declaration of residency in another state does not establish residency in that state. Your closest connections are to California and your absence from California is for temporary or transitory purposes. You are, therefore, a resident of California and are taxed on your income from all sources.
You accept a contract to work in Europe for 16 months.
You maintain strong ties with California because your spouse and children remain in your California home during your absence. Your intent is to return to California, and your absence is temporary and transitory. You remain a California resident during your absence. You are taxed on income from all sources, including income earned in Europe.
You accept a three-year assignment in Japan. Your assignment in Japan covers the period January 1, 2018, through December 31, 2021.
You meet the safe harbor rule. You are a nonresident during your absence from the state.
Residents of California are taxed on all income, regardless of source Nonresidents of California are taxed on income from California sources Part-year residents are taxed on all income received while a resident, plus any income from California sources whole a nonresident
Salaries and Wages are sourced where the services are performed. Neither the location of the employer, where the payment is issued, nor your location when you receive payment affect the source of this income.
Real Estate Sales are sourced where the property is located, regardless of residency status.
Income tax withholding may be required on income with a California source. Examples include:
Cal. Code Regs. Tit. 18, § 17014 - Who Are Residents and Nonresidents
Whittell v. Franchise Tax Board (1964)
200-094, Appeal of Lyon- Personal Income- Residence Not Established by Facts
201-859, Appeal of Schermer- Personal Income- Place of Residence