You Own STRs in Multiple States. Here Is What That Actually Means for Your Tax Obligations in 2026.

Here is a word most STR investors first encounter in a letter from a state revenue department: nexus. It means a sufficient connection to a state to trigger its taxing authority. And if you own short-term rentals in more than one state, you almost certainly have it in states where you have never lived, voted, or filed a tax return.

The investors I see scrambling in mid-2026 are not the ones who bought badly. They are the ones who built a competent multi-state portfolio, paid their federal taxes on time, and somewhere along the way assumed that the state where they live handled everything else. It does not. Your home state collects what you owe its treasury. Every other state where you earn rental income has its own treasury, its own forms, and its own patience threshold for non-filers.

This is the guide I wish more investors received before their portfolio crossed state lines. It covers the six categories of exposure that matter: income tax nexus, sales and lodging tax remittance, platform reporting risk, entity registration requirements, common compliance failures, and the checklist for cleaning it all up. Q2 estimated tax payments are due June 15, which makes right now an unusually good moment to audit where you stand.

This article provides general information and should not be construed as legal advice. Consult a qualified attorney or CPA in your jurisdiction for advice specific to your situation.

The Nexus Concept (And Why It Matters More Than You Think)

Nexus (from the Latin for “connection,” since legal Latin never misses a chance to sound important) is the threshold connection that gives a state the legal authority to require you to file, report, and pay taxes within its borders. For STR investors, nexus can be created by physical presence, economic activity, or the one that catches the most people off guard: ownership of income-producing real property in a state you do not live in.

Picture this: you close on a Scottsdale condo in 2024. You list it on Airbnb. It books 140 nights a year. You have never lived in Arizona and never intend to. But from Arizona’s perspective, you are conducting a business activity on Arizona soil, producing Arizona-source income, and that makes you a taxpayer with Arizona filing obligations. The Arizona Department of Revenue formally lists “ownership of real property that produces income” as a nexus-creating factor. It is not ambiguous.

The same logic applies in Colorado, New York, and every other income-tax state where you hold a property. Nexus is triggered the moment you close and start collecting rent. The question is not whether you have a state tax obligation. The question is how many state obligations you have been ignoring.

Part 1: Income Tax Nexus by State

Here is the practical breakdown for the states where STR investors most commonly build cross-border portfolios.

States With No Income Tax: FL, TN, TX

Good news first. Florida, Tennessee, and Texas have no personal state income tax. Florida and Texas never had one. Tennessee abolished its Hall Income Tax (which taxed only interest and dividends anyway) effective January 1, 2021. Rental income from properties in these three states generates no state income tax filing obligation for non-residents. That part is straightforward.

That does not mean no state tax obligations in those states. Lodging and sales taxes are a different category entirely and are addressed in Part 2.

Arizona

Arizona taxes non-residents on all income earned from Arizona sources, including rental income from Arizona real property. The state’s income tax is a flat 2.5% (tax year 2025, filed in 2026). Non-residents use Form 140NR (Nonresident Personal Income Tax Return). The filing threshold is based on prorated Arizona gross income versus the Arizona standard deduction. Most investors with meaningful rental income from Arizona property will clear it. Arizona also operates a formal Nexus Program for individual income tax, and owning income-producing real property is listed explicitly as a nexus-creating factor.

Colorado

Colorado taxes non-residents on Colorado-source income at a flat 4.4% rate, applied proportionally based on the ratio of Colorado income to total income from all sources. Non-residents file Form DR 0104 combined with the DR 0104PN (Part-Year/Nonresident Tax Calculation Schedule). A non-resident with a Steamboat Springs or Breckenridge cabin who has been reporting rental income on their federal return but not filing a Colorado state return has been non-compliant under Colorado law since the day they started collecting rent.

New York

New York is in its own category, and not in a good way. New York taxes non-residents on all New York-source income, including rental income from New York real property, at graduated rates from 4% to 10.9%. The filing form is the IT-203. The filing threshold is low enough that most investors with net rental income will exceed it. What makes New York distinctive in 2026 is the quarterly platform reporting law, discussed in Part 3.

Part 2: Sales and Lodging Taxes (The Obligation Nobody Gets to Skip)

Even in the income-tax-free states, STR operators face sales, occupancy, or lodging tax obligations on their gross rental revenue. These apply to what guests pay, not your net income, and the rates are significant. Platforms like Airbnb and Vrbo collect and remit some of these automatically, but the coverage is not universal, and the gaps are where operators get caught.

Florida

Florida imposes a 6% state sales tax on transient accommodations (rentals of six months or fewer), plus a county discretionary surtax typically running 0.5% to 1.5%, plus a Tourist Development Tax (TDT) that counties set independently, ranging from 2% to 6%. In high-tourism counties like Palm Beach, the combined rate approaches 12.5%. Airbnb collects and remits the state portion for platform bookings, but county TDT remittance varies. Some counties require direct remittance by the operator. Know your county’s TDT rules before assuming the platform has covered everything.

Tennessee

Tennessee’s 7% state sales tax applies to STR revenue. Local option taxes add another 1.5% to 2.75%. Local hotel-motel taxes push some markets considerably higher. Nashville reaches approximately 13.25% combined. Gatlinburg, because Sevier County layers its local taxes aggressively, can approach 20.75%. That is among the highest combined STR tax burdens in the country, which is worth factoring into any analysis of a Smoky Mountain acquisition.

Texas

Texas imposes a 6% state hotel occupancy tax (HOT) on all short-term accommodations. Local entities add substantially: Austin 9% local (15% combined), San Antonio 11% local (17% combined), Houston and Dallas each at 7% local (13% combined). As of April 2025, platforms are required to collect and remit the state 6% on platform-facilitated bookings. Hosts remain responsible for local HOT remittance and for all taxes on direct bookings. If you run any direct-booking volume in Texas, the local HOT is your responsibility.

Arizona

Arizona’s sales tax equivalent is the Transaction Privilege Tax (TPT). STRs fall under the Transient Lodging classification. The combined state plus county rate reaches approximately 7.27% in Maricopa County. Individual cities can add further components, and several Arizona cities increased their rates effective January 1, 2026. Non-resident STR owners in Arizona have two parallel obligations: TPT filing on gross revenue and a separate Form 140NR income tax return on net rental income. These are different filings to different divisions, and conflating them is a common error.

Colorado

Colorado’s state sales tax is 2.9%, the lowest in this group, but county lodging taxes add meaningfully on top, especially in mountain resort areas. Beginning in 2026, electronic filing is mandatory for any STR operator with prior-year gross Colorado sales exceeding $75,000. The Aspen, Vail, and Summit County corridors all carry combined rates well above the state floor.

Part 3: Platform Reporting and the New York Data Trail

New York’s Short-Term Rental Registry law, signed in December 2024 and effective April 2025, requires platforms like Airbnb and Vrbo to submit quarterly reports to New York State and participating counties. Those reports include property locations by county, occupancy nights, guest counts, and taxes collected.

The practical implication is direct: the New York Department of Taxation and Finance now has a detailed, platform-sourced inventory of every STR operating in the state, with revenue data that it can cross-reference against Form IT-203 filings. Non-resident owners who have been collecting New York rental income without filing IT-203 returns are now considerably more visible to the state than they were in 2024. The data trail exists. Using it for enforcement is not complicated.

A clarifying note on IRS Publication 527: Pub 527 is the authoritative federal source for residential rental property tax treatment, covering income classification (Schedule E versus Schedule C), vacation home rules, expense allocation between personal and rental use, and depreciation. It is worth reading. It contains zero guidance on state tax obligations. For state compliance, you need each state’s revenue department guidance or a CPA who practices across the relevant states. The federal return does not satisfy state filing requirements; they are separate obligations.

Part 4: When Your LLC Needs to Register in Another State

Many STR investors hold properties through LLCs for liability protection. The structure is sound. But there is a compliance step a meaningful percentage of multi-state investors skip: foreign entity registration (the formal process of registering an LLC organized in one state to legally operate in another).

If your Wyoming LLC owns and rents out property in Colorado, Colorado considers that LLC to be doing business within its borders. Collecting rent from Colorado property is transacting business in Colorado. The LLC is required to file a Certificate of Authority with the Colorado Secretary of State, appoint a registered agent in Colorado, and pay applicable fees.

Skipping this step has real consequences. An unregistered foreign LLC cannot bring a lawsuit in that state’s courts, contracts it signs may be voidable by the other party, and courts in some circumstances will pierce the corporate veil and hold members personally liable. In the STR context: if a guest causes serious damage to your Colorado property and refuses to pay, your unregistered Wyoming LLC may have no legal standing to sue them in Colorado courts. The liability protection you formed the LLC to obtain does not work if you did not do the registration work.

Beyond the standing issue, states assess retroactive back taxes, registration fees, and penalties for every year the LLC operated without registration. The upfront cost of a foreign registration is typically $200 to $500 in initial filing fees plus $200 to $1,000 in annual maintenance fees. Catching up after three years of non-registration costs that amount times three, plus penalties, plus any exposure from the veil-piercing risk.

Some investors form a separate domestic LLC in each state where they own property rather than registering a single multi-state entity across multiple states as a foreign LLC. This sidesteps some cross-state registration complexity but multiplies entity maintenance. For the full analysis of per-property versus portfolio-level entity structuring, see the StaySTRA guide to STR LLC entity structures.

Part 5: The Most Common Mistakes and What They Cost

Multi-state STR compliance failure tends to follow five patterns.

Not filing non-resident income tax returns. The investor reports all STR income on their federal return and assumes that satisfies the obligation. It does not. Arizona, Colorado, New York, and any other income-tax state where you hold property each require separate non-resident returns. Arizona’s late-filing penalty is 4.5% of tax owed per month, up to a 25% maximum. Colorado’s is 5% plus 0.5% per month. New York’s is 5% per month up to 25%, with a minimum $100 penalty. Two or three years of missed filings across two states compounds into a significant liability before you even account for the underlying tax owed.

Assuming the platform handles all lodging taxes. Platforms handle some taxes in some jurisdictions. Florida county TDT remittance gaps are well documented. Texas local HOT remains the host’s responsibility on direct bookings. Arizona requires separate TPT filings regardless of platform collection. Documenting exactly what your platform remits for each property is not optional; it is due diligence. Florida’s penalty for late or missed lodging tax remittance runs 10% per month up to a 50% maximum. Tennessee’s runs 5% per month up to 25%.

Not registering the LLC in the property’s state. Covered above. The liability protection does not cross state lines if the registration work has not been done.

Misapplying the 14-day federal rule to state obligations. IRS Publication 527 provides that if you rent a property for fewer than 15 days in a tax year, you do not report the rental income and cannot deduct rental expenses at the federal level. This rule applies only to federal income taxes. State lodging tax obligations are governed by state law and typically apply from the first dollar of rental revenue. Do not conflate the two.

Not tracking estimated quarterly payments by state. Non-resident rental income that generates a state income tax liability generally triggers estimated quarterly payment requirements in states like Arizona, Colorado, and New York. Missing estimated payment deadlines creates underpayment penalties on top of any year-end liability. The Q2 estimated payment deadline across most income-tax states is June 15.

Part 6: The CPA Checklist for Multi-State STR Investors

If your portfolio spans multiple states, here is the compliance inventory a multi-state real estate CPA should be working through with you each year.

1. Income tax filings by state. For each state where you hold rental property, determine whether it has a personal income tax. If yes, confirm prior-year non-resident returns are on file. Arizona (Form 140NR), Colorado (DR 0104 plus DR 0104PN), and New York (IT-203) are the most common gaps for investors with properties in those states.
2. Lodging and sales tax registration. For each property, obtain written documentation from your platform specifying exactly which taxes it collects and remits in that jurisdiction. File directly for any taxes not covered by the platform.
3. Entity registration audit. For each LLC in your portfolio, confirm it is either organized in the property’s state or properly registered as a foreign entity there, with a current registered agent.
4. Quarterly estimated payments. Calculate whether non-resident rental income in each income-tax state triggers estimated payment obligations and add those deadlines to your calendar. Q2 is June 15.
5. Platform reporting exposure. If you own properties in New York and have not been filing Form IT-203, the quarterly platform reporting data creates meaningful audit risk. Address non-filing gaps voluntarily before the state’s data systems surface them.
6. Federal allocation review. Confirm you have properly applied the vacation home rules under IRS Publication 527 for any mixed-use properties, allocating expenses correctly between personal and rental use before cascading figures to state returns.

For a complete treatment of deductible expenses across both the federal Schedule E framework and state returns, see the STR tax deductions complete guide for 2026.

Multi-state compliance is genuinely more complex than a single-state portfolio. CPA fees, filing fees, and entity registration costs are real and should be factored into any cross-state acquisition model. The penalty cost of non-compliance is typically higher, and it does not stay contained. States share data with each other and with the IRS. The platform reporting environment is expanding. The window to address these gaps proactively is available right now, before state revenue departments get there first.

We do our best to keep our regulatory guides accurate and up to date, but tax laws change and we are only human. Always verify current requirements directly with each state’s Department of Revenue and a qualified multi-state CPA before making compliance decisions.

If you are building a multi-state STR portfolio and want to model revenue, expenses, and financing across markets before you commit, the StaySTRA Analyzer gives you the data to run those numbers. Understanding what a property can generate is step one. Understanding what you will owe across multiple state treasuries is step two, and you now have the framework for both.