Residency Migration Reference
Moving from Guam to Hawaii: Residency, Taxes, and What to Prove
The top income tax rate drops from 37% under the mirrored federal brackets; as low as roughly 25% of that (a 75% reduction) for up to 20 years for approved GEDA Qualifying Certificate holders in Guam to 11.00% in Hawaii. Establishing Hawaii residency correctly is what protects that benefit.
Residency Tests Side by Side
Guam uses a 183-day statutory residency threshold, while Hawaii uses 200 days. Track both thresholds separately during a transition year rather than assuming they line up.
| Factor | Guam | Hawaii |
|---|---|---|
| Statutory Residency Test | Guam, like the other four territories, has no day-count statutory residency overlay of its own. Bona fide residency is governed by the federal IRC section 937 three-part test: the presence test, the tax home test, and the closer connection test, all of which must be satisfied for the same tax year. DRT applies the identical federal standard used by the IRS. | A Hawaii resident is (1) every individual domiciled in Hawaii, and (2) every other individual, whether domiciled in Hawaii or not, who resides in Hawaii for other than a temporary or transitory purpose. An individual domiciled outside Hawaii is presumed to be a resident if they spend more than 200 days in Hawaii during the taxable year; that presumption can be overcome with evidence satisfactory to the Department that the individual maintained a permanent place of abode outside the state and was in Hawaii only temporarily or transitorily. |
| Domicile Test | Closer connection functions as Guam's domicile test under Treasury Regulation 1.937-1(c): the location of a permanent home, family, personal belongings, social/political/cultural/religious affiliations, routine banking, business activity, and the jurisdiction of a driver's license and voter registration are weighed against the total of U.S. and foreign-country contacts. Publication 570's own illustrative example uses a Guam/CNMI fact pattern (a hotel employee who splits time between the two) to show how the tax home and closer connection tests interact when someone has ties to more than one territory. | Hawaii defines domicile as the place where an individual has a true, fixed, permanent home and principal establishment, and to which, whenever absent, they intend to return. Three things are necessary to create a new domicile: first, abandonment of the old domicile; second, the intent to establish a new one; and third, actual physical presence in the new location. Once a domicile is established, the intent to abandon it alone is not sufficient, a new domicile must actually be shown. Marrying a nonresident does not by itself change a Hawaii resident's domicile status if the three-part test for changing domicile is not independently met. |
| Day Count Threshold | 183 days | 200 days |
| Any Part of a Day Rule | Any part of a day physically present in Guam counts as a full presence day, and a day spent in both Guam and the mainland U.S. counts toward Guam. The standard exceptions for qualified medical treatment, presidentially declared disasters, mandatory evacuations, and a limited 30-day travel allowance apply under the Form 8898 instructions. | The Department's guidance describes the threshold in terms of days spent in Hawaii during the taxable year rather than explicit any-part-of-a-day language; no published Hawaii-specific carve-out for medical emergencies or connecting travel was located in this research pass, so the safer planning assumption is that any day with Hawaii presence counts toward the 200-day figure, consistent with how most states treat statutory day counts. |
| Presumptions | None published | More than 200 days of physical presence in Hawaii during the taxable year creates a rebuttable presumption of Hawaii residency for someone domiciled elsewhere. |
| Safe Harbors | 183-day presence test; 549-day / 3-year test; 90-day U.S. cap; Low U.S.-earned-income test; No significant U.S. connection | Nonresident military spouse income exemption |
Leaving Guam
No widely published Guam-specific bona fide residency court case surfaced in research comparable to Vento (USVI) or Karakashian (Puerto Rico). The exposure runs through the same federal IRC section 937 framework that applies across all five territories: an examiner reconstructing whether someone claiming Guam residency actually met the presence, tax home, and closer connection tests, particularly for GEDA Qualifying Certificate beneficiaries whose real business operations or family life stayed on the mainland.
Trailing Income
As with the other mirror-code territories, gains on investment property owned before becoming a bona fide Guam resident are subject to a 10-year sourcing rule under Treasury Regulation 1.937-2(f) that can keep pre-move appreciation taxable outside Guam even after relocating, unless the taxpayer makes the special holding-period allocation election in Publication 570.
Part-Year Filing
A bona fide Guam resident generally files one return, Form 1040GU, with DRT on worldwide income and has no separate federal filing obligation for that year if the Guam return is properly filed and full tax paid. Someone who is not a full-year bona fide resident but has Guam-source income files a U.S. return with the IRS and attaches Form 5074 (Allocation of Individual Income Tax to Guam or the CNMI) if adjusted gross income is $50,000 or more and Guam-source gross income is $5,000 or more, to divide the tax between the jurisdictions.
Enforcement Methods
Common Exit Mistakes
Establishing Hawaii Residency
| Action | Agency | Deadline |
|---|---|---|
| Obtain a Hawaii driver's license | County Department of Customer/Motor Vehicle Services (Honolulu, Maui, Hawaii, or Kauai County, whichever applies) | commonly cited as 30 days after establishing residency in secondary guidance; this research pass could not confirm a single statewide statutory deadline from a primary county or state source, since each county administers licensing separately |
| Register and title vehicles | County motor vehicle registration office | commonly cited as 30 days after establishing residency; not independently confirmed against a primary county source in this research pass |
| Register to vote | Hawaii Office of Elections | online registration available anytime at olvr.hawaii.gov; paper applications must reach the county Elections Division by the deadline set for each specific election (July 29, 2026 for the 2026 primary, October 26, 2026 for the 2026 general) |
| File the county home exemption on real property (if a homeowner) | County Real Property Assessment Division | varies by county; commonly September 30 of the year before the exemption year |
Declaration of Domicile
Hawaii has no Florida-style recorded Declaration of Domicile. The Department of Taxation's own definition requires three elements to establish a new domicile: abandoning the old one, intending to establish the new one, and actually being physically present in Hawaii, proven through conduct (driver's license, vehicle registration, voter registration, lease or deed, and time actually spent in the islands) rather than a single filed document.
Homestead
Hawaii's property tax relief is the county-administered 'home exemption,' available to an owner who occupies the property as their principal residence, with the exempted amount and filing deadline varying by county (Honolulu's is among the better-documented, filed with the Real Property Assessment Division). Because it requires a sworn declaration of principal residence, filing it functions as dated, county-recorded evidence of Hawaii domicile, similar in evidentiary role to homestead filings elsewhere even though Hawaii's exemption is comparatively small given the state's already very low 0.29% effective property tax rate.
Voter Registration
Register online anytime through the Office of Elections' portal (https://olvr.hawaii.gov/), or by paper application to your county Elections Division; paper deadlines are set per election (July 29, 2026 for the 2026 primary; October 26, 2026 for the 2026 general).
Vehicle Registration Deadline
30 days
New Resident Tax Traps
New residents are taxed as full Hawaii residents on worldwide income from the date domicile is established, filed via Form N-15's part-year mechanism for the year of the move; the more common trap is on the retirement-income side, arrivals assume Hawaii's full pension exemption extends to 401(k) and IRA withdrawals, when in fact only true employer pensions and Social Security are exempt and retirement account distributions are fully taxable at rates up to 11%.
What Changes on Tax
Guam Top Rate
37% under the mirrored federal brackets; as low as roughly 25% of that (a 75% reduction) for up to 20 years for approved GEDA Qualifying Certificate holders
Hawaii Top Rate
11.00%
Moving from Guam to Hawaii drops the top marginal income tax rate from about 75% to about 11%, a reduction of roughly 64 percentage points.
Withholding Reciprocity
Guam and Hawaii do not have a wage-withholding reciprocity agreement with each other, so this move follows ordinary source-state and resident-state filing rules rather than a reciprocity exception.
Community Property Transition
Guam and Hawaii both use common law, equitable-distribution marital property rules, so no community property transition applies to this move.
Beyond Income Tax
Guam
Capital gains: Capital gains follow the same rates as the mirrored federal code; there is no separate Guam capital gains schedule. A Qualifying Certificate from the Guam Economic Development Authority (GEDA) can reduce the effective tax rate, including on qualifying business-related gains, for an approved project.
Estate or inheritance tax: Guam has no separate territorial estate or inheritance tax; federal estate tax rules apply through the mirror code framework to Guam-domiciled decedents, administered locally by DRT rather than the IRS.
Property tax: Real property tax rates run roughly 0.5% to 1% of assessed value annually, among the lowest effective property tax burdens under the U.S. flag, and Qualifying Certificate holders can receive a full real property tax exemption for up to 10 years on an approved project.
Sales tax: Guam has no general retail sales tax. Instead it imposes a 5% Business Privilege Tax (BPT, Guam's gross receipts tax) on businesses and a matching 5% use tax on imported personal goods, both of which GEDA Qualifying Certificate holders can have substantially abated.
Hawaii
Capital gains: Hawaii taxes capital gains, but at a capped rate of 7.25% for individuals rather than as fully ordinary income, which softens the blow for residents selling appreciated assets even though the top wage-income rate is 11%.
Estate or inheritance tax: Hawaii has its own state estate tax, separate from the federal estate tax. The 2026 exemption is $5.49 million per person (roughly $10.98 million portable for a married couple), with tax on the excess ranging from 10% up to 20% on amounts more than $10 million above the exemption. There is no separate inheritance tax.
Property tax: Effective property tax rate on owner-occupied housing is about 0.29%, the lowest in the nation, offsetting Hawaii's otherwise very high cost of living and high income tax rates. Each of the four counties (Honolulu, Maui, Hawaii, Kauai) administers its own real property tax with its own home exemption amount and filing deadline, so the exemption mechanics are not uniform statewide.
Sales tax: Hawaii has no traditional sales tax; it levies a General Excise Tax (GET) on businesses' gross receipts, typically passed through to consumers, at a 4% state rate (4.5% on Oahu due to a county surcharge), for an average combined rate around 4.5%, one of the lowest nominal rates in the country though the GET's broader base (it applies to services and rent, not just goods) means the effective consumer burden is often understated by the headline rate.
Who This Move Applies To
Travel Nurses
In Guam
Guam is not a major travel-nurse assignment market compared to the 50 states, but Guam Memorial Hospital and private facilities do draw contract clinical staff; the underlying federal tax-home analysis is identical to any state, requiring genuine maintenance of and return to a Guam home between assignments to sustain a Guam tax-home claim.
In Hawaii
Hawaii is a persistently high-demand travel nursing market given chronic staffing shortages on the neighbor islands, and a nurse working Hawaii contracts needs to track cumulative Hawaii days against the 200-day presumption threshold if Hawaii is not their claimed tax home; a nurse stacking consecutive Hawaii assignments can cross 200 days within a taxable year and face a Hawaii residency presumption they then have to rebut with proof of a genuine tax home and permanent abode elsewhere.
Professional Athletes
In Guam
No major U.S. professional sports franchise is based in Guam, so there is no home-team jock-tax apportionment regime specific to the territory. Visiting athletes or performers earning income from events physically held in Guam owe Guam-source tax on income attributable to that work under the mirrored federal withholding framework administered by DRT.
In Hawaii
Hawaii has no major professional sports franchise subject to jock-tax duty-day apportionment in the way NBA, NFL, or MLB markets are; college and exhibition events held in Hawaii (such as preseason NFL games or college football's opening games) can still create Hawaii-source income for visiting teams' employees under the state's general nonresident sourcing rules, though this is a minor and infrequent exposure compared to states with resident franchises.
Snowbirds, Long Visitors, and RVers
In Guam
A mainland resident who buys a Guam property and spends significant time there while keeping a permanent mainland home risks failing the closer connection test even with a solid day count, unless family, banking, and business ties also shift to Guam. Publication 570's own example addresses a related pattern directly: someone with ties to both Guam and the CNMI must determine which is the actual tax home based on where their regular place of business is located, not simply where they own property.
In Hawaii
Hawaii is a snowbird destination rather than a snowbird-exit state, which flips the usual dynamic: a mainland resident who keeps a Hawaii condo and winters there for a few months a year needs to watch the 200-day presumption threshold, since exceeding it shifts the burden onto them to prove they maintained a permanent abode and tax home on the mainland and were in Hawaii only temporarily. This is a materially lower bar to trip than New York's 183-day or California's facts-and-circumstances test, and long-stay visitors who rent out their mainland home while wintering in Hawaii should be especially careful about the 'permanent place of abode elsewhere' evidence.
Remote Workers
In Guam
Guam has no convenience-of-the-employer rule of its own, but a mainland employer's own state convenience rule can still reach a Guam-based remote worker's wages if the employer continues to treat them as mainland-sourced. Guam's IRC section 931 exclusion for bona fide residents' Guam-source income is valuable, but only applies cleanly once the employer correctly treats the work as Guam-sourced and DRT-withheld rather than leaving it entangled with a mainland payroll system.
In Hawaii
Hawaii has no convenience-of-the-employer rule; a remote worker physically performing work from Hawaii for an out-of-state employer generally owes Hawaii tax on that Hawaii-source income under ordinary physical-presence sourcing, and does not separately owe the employer's home state tax on those wages unless that state applies its own convenience rule, which is the scenario Hawaii arrivals from states like New York need to watch for in their employer's withholding treatment.
Military
In Guam
Guam hosts significant U.S. military presence (Andersen Air Force Base and Naval Base Guam) and follows the federal Servicemembers Civil Relief Act (SCRA) and Military Spouses Residency Relief Act (MSRRA): a servicemember's home-of-record does not change solely due to Guam orders, and a civilian spouse can elect to keep the servicemember's tax residence. A servicemember who qualified as a bona fide Guam resident before deployment elsewhere does not lose that status due to absence under military orders, but being stationed on Guam under orders alone does not create bona fide residency.
In Hawaii
Hawaii has one of the largest active-duty military populations of any state (Pearl Harbor-Hickam, Schofield Barracks, Marine Corps Base Hawaii), and follows SCRA and MSRRA: a servicemember posted to Hawaii on orders does not become a Hawaii domiciliary solely from the posting, and under MSRRA as amended in 2018 and 2022, a spouse can generally elect the servicemember's state of legal residence, or either party can elect to use the servicemember's residence, for state tax purposes regardless of when or where the marriage occurred. A Hawaii-resident spouse relocating with a servicemember on a permanent-change-of-station transfer without intent to make the new location permanent does not lose Hawaii domicile under the Department's own published examples.
Airline Crew
In Guam
Guam's A.B. Won Pat International Airport is a hub connection point for trans-Pacific carriers, and the federal carve-out at 49 U.S.C. section 40116, limiting taxation of air carrier employees to their state or territory of residence and, in limited cases, a jurisdiction where they earn more than half their pay, applies to Guam the same way it applies to the 50 states. Crew who are bona fide Guam residents owe Guam tax on their wages under the mirrored federal framework rather than IRS tax on Guam-source pay.
In Hawaii
Honolulu's Daniel K. Inouye International Airport is a major Pacific hub for Hawaiian Airlines and a stopover point for trans-Pacific carriers, so Hawaii has a resident airline crew population. Federal law (49 U.S.C. § 40116) limits state taxation of air carrier employees to their state of residence and, in limited cases, a state where more than 50% of pay is earned; Hawaii-domiciled crew are taxed on their full wages at Hawaii's rates regardless of how flight time is split across other states.
Tools for This Move
Guam to Hawaii FAQ
Does Guam have its own separate income tax system like Puerto Rico?+
No. Guam uses a mirror code under 48 U.S.C. section 1421i, meaning it applies the U.S. Internal Revenue Code word for word with 'Guam' substituted for 'United States.' You pay the same 10% to 37% federal brackets, just to Guam's Department of Revenue and Taxation instead of the IRS, which is a fundamentally different structure from Puerto Rico's or American Samoa's independently legislated tax codes.
I only spent a few months in Hawaii but I own a condo here. Am I a Hawaii resident for tax purposes?+
Not automatically, but watch the 200-day threshold. If you're domiciled elsewhere and spend more than 200 days in Hawaii during the taxable year, the Department of Taxation presumes you're a Hawaii resident; you'd need evidence you maintained a permanent place of abode outside Hawaii and were in the islands only temporarily to overcome that presumption. Under 200 days, the presumption doesn't apply and your out-of-state domicile controls.
If I get a GEDA Qualifying Certificate, do I automatically qualify as a Guam resident for tax purposes?+
No. A Qualifying Certificate sets up eligibility for a tax reduction, generally up to a 75% income tax reduction for up to 20 years in the standard category, but you must still independently satisfy the federal presence, tax home, and closer connection tests every year, and GEDA and DRT can review whether the underlying business and residency are genuine throughout the certificate term.
Does Hawaii tax my Social Security or pension?+
Social Security is fully exempt, and so are qualified public and private pensions from an employer-funded plan. What isn't exempt is money you pull from a 401(k) or IRA, that's fully taxable as ordinary income at Hawaii's rates, which top out at 11%. Retirees relying on a traditional pension and Social Security do much better here tax-wise than retirees drawing mainly from retirement accounts.
How many days do I need to spend in Guam to be a bona fide resident?+
183 days in the tax year is the cleanest path, but there are four alternatives: 549 days across the current and two prior years with at least 60 days each year, 90 days or fewer in the U.S., $3,000 or less in U.S.-source earned income with more Guam days than U.S. days, or no significant U.S. connection at all. Meeting a presence prong alone is not enough; the tax home and closer connection tests must also be satisfied.
Does Hawaii have an estate tax?+
Yes, Hawaii is one of the minority of states with its own estate tax separate from the federal one. The 2026 exemption is $5.49 million per person, roughly $10.98 million for a married couple with portability, with rates from 10% up to 20% on the amount above the exemption. There's no separate inheritance tax.
I split time between Guam and the CNMI. Which one is my tax home?+
Your tax home is your regular or main place of business or employment, regardless of where you also own property or spend leisure time. The IRS's own Publication 570 example addresses this exact situation: a hotel worker employed seasonally in Guam but living the rest of the year in the CNMI was found to have a Guam tax home because that's where the regular place of business was, even though the CNMI held stronger personal and social ties.
My spouse is active duty and got transferred to Hawaii. Do I become a Hawaii resident?+
Not automatically. Under the Military Spouses Residency Relief Act, if your servicemember spouse is in Hawaii solely on military orders and you're in Hawaii solely to be with them, you can generally keep your prior state of domicile, or elect to use your spouse's, for state tax purposes, and income you earn from services performed in Hawaii can be exempt from Hawaii tax under those conditions.
What tax return do I file if I'm a bona fide Guam resident?+
You generally file Form 1040GU with Guam's Department of Revenue and Taxation reporting your worldwide income, and you're not separately liable to file with or pay the IRS for that year as long as the Guam return is properly filed and the tax fully paid. If you're not a full-year bona fide resident but have Guam-source income, you file with the IRS and may need to attach Form 5074 to allocate tax between the jurisdictions.
What form do I file for the year I move to or from Hawaii?+
Form N-15, Individual Income Tax Return for Nonresidents and Part-Year Residents, reporting worldwide income for the period you were a Hawaii resident and only Hawaii-source income for the nonresident portion of the year. Full-year residents file Form N-11 instead.
Can I keep my mainland home after moving to Guam?+
You can own it, but keeping it available as a livable home for your own use works against you on the closer connection test, which compares your Guam ties to the total of your U.S. and foreign ties. Renting it out at fair market value with limited personal-use days is a safer pattern than leaving it available for regular stays.
I'm a travel nurse working consecutive Hawaii contracts. Could I become a Hawaii tax resident by accident?+
Yes, if your cumulative Hawaii days for the taxable year exceed 200, the Department presumes you're a Hawaii resident regardless of your claimed tax home elsewhere, and the burden shifts to you to prove you kept a permanent place of abode outside Hawaii and were only there temporarily. Track your Hawaii day count across all your contracts for the year, not just one assignment.
Considering the reverse move?
Hawaii to Guam
Moving the other direction is a different fact pattern, not a mirror image: exit risk and establishment mechanics both flip.
View the Hawaii to Guam guideGuam to Hawaii Reading
Reviewed Against 15 Primary Sources
ResidencyIQ organizes public residency research into a reviewable reference. It does not provide legal or tax advice. Consult a qualified professional before making a residency decision.
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