The STR Regulation Reset: States Where Airbnb Still Pays and Where It Doesn’t

The short-term rental land grab is over. What replaced it is a patchwork of registration rules, night caps, and outright bans that varies block to block — and the gap between where Airbnb income still supports a loan and where it was legislated out of existence has never been wider. Here is the 2026 map, and how it changes the underwriting math.

The 2026 Reset: From Land Grab to Ground Rules

For most of the last decade, the short-term rental (STR) question for investors was simply how fast they could add doors. That era is closed. AirDNA projects U.S. available STR listings will grow just 4.6% in 2026 — well below the roughly 20% peak expansion of 2021–2022. Supply is still growing, but the frenzy has cooled, and the firm calls 2026 the best year to invest in short-term rentals since 2021 precisely because slower new supply is handing pricing power back to operators who already hold compliant inventory.

The macro backdrop is stabilizing rather than booming. AirDNA expects occupancy to ease about 1% in 2026 after a softer 2025, with average daily rates (ADR) strengthening roughly 1.5% and accelerating into 2027. Event-driven markets skew higher: the firm's 2026 FIFA World Cup forecast puts revenue-per-available-rental (RevPAR) growth at 6.3% in Philadelphia, 5.6% in Jersey City/Newark, and 5.5% in Dallas. In other words, the demand is real. The variable that now decides whether a deal works is not the market — it is the ordinance.

That is the reset. Cash flow used to be the whole analysis; regulation is now the first screen. A property that pencils beautifully on projected nightly revenue is worthless if the city won't issue a permit — and a boring long-term rental in a preemption state can be the safer STR bet than a beachfront condo one zoning line inside a ban.

Where Airbnb Still Pays: The Preemption States

The friendliest 2026 markets share one legal feature: state preemption — a statute that stops individual cities from banning short-term rentals outright, leaving them to regulate only for health, safety, taxes, and nuisance. Preemption doesn't mean no rules; it means the rules are predictable and the asset can't be zoned to zero overnight.

Florida is the anchor example. Governor DeSantis vetoed Senate Bill 280 in June 2024, which would have layered a statewide registration-and-licensing regime on top of local rules. The veto left Florida's long-standing preemption intact: municipalities can require registration and collect tourist taxes, but they generally cannot prohibit STRs outright. For investors, that is the point — the downside is bounded, which is why Florida DSCR rental financing remains one of the cleaner ways to hold a nightly-rental asset with a durable income basis.

Arizona has gone further. Its 2016 vacation-rental preemption statute (A.R.S. § 9-500.39) bars cities and towns from prohibiting or effectively prohibiting short-term rentals, restricting local authority to licensing, safety, and nuisance enforcement. Markets like Scottsdale and Phoenix remain viable STR plays because the legal floor is set at the state level, not the city council — a dynamic we've written about in our read on Phoenix's investor economy, and one that makes Arizona DSCR loans for rentals a practical vehicle for buyers who want nightly upside without the risk of a surprise ban.

The pattern across the friendly tier is consistent. Regulation is trending toward accountability and taxation, not prohibition. As one legislative tracker summarizing 2025 activity put it, lawmakers are largely focused on platform data-sharing and lodging taxes, and “attempts to ban or cap short-term rentals at the state level are becoming less common”. For the disciplined investor, a registration fee and an occupancy tax are a cost of business. A ban is a total loss of the strategy.

Where It Doesn't: The Restrictive Playbook

At the other end sit the markets that legislated the whole-unit STR out of existence. The template case is New York City's Local Law 18, enforced from September 2023, which requires hosts to register, be physically present during the stay, and cap guests — conditions most investor-owned units cannot meet. The effect was not a slowdown; it was a collapse.

Sources: AirDNA (NYC Local Law 18 impact); Hawaii Living (Oahu Bill 41 / Ordinance 22-7); Minut STR law guide (LA/SF caps); KPBS (San Diego STRO caps). See Sources.

The New York data is the one every investor should memorize: a roughly 83% drop in short-term listings in the first year, paired with a 29% jump in long-term rental listings as owners gave up on nightly income and re-leased the units annually. The demand for New York lodging didn't disappear; it moved to hotels and to a handful of compliant, owner-present rooms. The investor thesis simply died — and the units that survived did so by pivoting to the annual-lease market that New York DSCR rental loans were built to finance.

Hawaii shows the same logic on a resort island. Honolulu's Bill 41 (Ordinance 22-7) raised the minimum rental period to 90 days for properties outside narrowly drawn resort zones, which functionally ends nightly rental for most of Oahu. Los Angeles and San Francisco reach a similar destination through primary-residence and night-cap rules — 120 and 90 un-hosted nights a year respectively — that quietly exclude the pure-investment, non-owner-occupied operator while leaving room for a resident renting a spare room.

San Diego shows a third mechanism — the hard license cap. Its Short-Term Residential Occupancy (STRO) ordinance sorts rentals into four tiers and caps the Tier 3 whole-home, non-owner-occupied license at 1% of the city's housing stock — 5,416 licenses citywide, with a separate 1,100-license ceiling for Mission Beach that drew more applicants than slots and had to be settled by a public lottery. A cap turns the license itself into a scarce, non-guaranteed asset: the property may be perfect, but if the tier is full, the nightly-rental business isn't available at any price. That is a different risk than a night limit — it is a supply gate, and it is worth confirming a license is actually obtainable before underwriting STR income in a capped market.

The Zoning Trap: When the Permit Type Decides the Deal

The most underestimated regulatory line isn't a citywide ban — it's the split between owner-occupied and non-owner-occupied permits. Several markets that look “STR-legal” in a headline quietly wall off the investor from the exact permit that a rental business needs, and the distinction is drawn at the zoning-district level, not the city limit.

Nashville is the clearest example of the trap. Under the city's short-term rental permit rules, not-owner-occupied (investor) STR permits are barred outright in residential zones — AR2A, R, RS, and RM districts — and are allowed only in commercial and mixed-use zones (the MUN, MUL, MUG, MUI, OG, CN, CL, CS, and downtown-core classifications). Existing residential investor permits may renew, but they cannot transfer when the property sells, so the entitlement dies with the ownership. Owner-occupied permits, by contrast, are limited to natural persons (no LLCs, corporations, or trusts), capped at one per lot in single- and two-family zones, and limited to four sleeping rooms.

For an out-of-state buyer, that structure is easy to miss and expensive to learn the hard way. A Music City address in a residential neighborhood may be worth buying — but as a Tennessee DSCR rental on an annual lease, not as a nightly rental the zoning won't permit. The lesson generalizes: when a market divides STR rights by permit type, the investor's real question is not “is Airbnb legal here?” but “can a non-owner-occupied entity get and keep the permit at this exact parcel?” For a deeper tour of these market-by-market rules, our ultimate guide to short-term rentals walks through the legal-challenge landscape in more detail.

The Contested Middle: Litigation, Taxes, and Local Whiplash

Between the clearly-friendly and clearly-hostile sits the largest and trickiest category: markets where the rules are in motion. This is where regulatory due diligence earns its keep, because the ordinance on the books today may not survive the year — in either direction.

Dallas is the cautionary tale for assuming a ban is final. The city passed a 2023 ordinance to confine short-term rentals to nonresidential zones, but a Texas appeals court upheld an injunction blocking the ban in February 2025, finding operators would face “irreparable injury.” The appeals court went on to reject the city three separate times in 2025 — in February, July, and August — and on October 16, 2025 Dallas petitioned the Texas Supreme Court to lift the injunction before the 2026 World Cup, arguing “time is of the essence.” As of this writing the ordinances remain blocked and unenforceable, so operators keep running legally — but on a status that could flip with a single ruling. For a buyer weighing a Dallas DSCR rental, that is regulatory risk you can underwrite for, but not ignore.

The subtler pressure is enforcement and cost, not prohibition. California's SB 346 (2025) now requires platforms such as Airbnb and Vrbo to share host-registration data with local governments, which turns previously unenforceable ordinances into enforceable ones overnight — a shift that reshapes the math even in a durable market like California DSCR coastal cities. Colorado's HB 25-1247 raised the county lodging-tax cap from 2% to 6% — not a ban, but a direct haircut to net operating income that has to be modeled before you buy a Colorado rental. Add San Diego's roughly 12.75% transient-occupancy tax on short stays, and the pattern is unmistakable: the 2026 theme is that a market can stay “legal” while quietly getting more expensive and more transparent to regulators at the same time. Every percentage point of new lodging tax comes straight off the top line, so the tax schedule belongs in the pro forma next to the nightly rate — not in a footnote.

The lesson of the contested middle is that “it's allowed today” is a starting point, not a conclusion. Two properties with identical projected revenue can carry wildly different risk depending on whether their income rests on a settled state statute or on an ordinance that is one court ruling, one city-council vote, or one platform data-sharing law away from changing. The reset didn't make STR investing impossible; it made the legal read the first line of the underwrite.

How STR Regulation Hits Your DSCR Math

For a debt-service-coverage-ratio (DSCR) lender, regulation matters because the loan is underwritten to the property's income, not the borrower's tax returns. A DSCR loan qualifies when projected rent covers the mortgage payment at or above the lender's ratio threshold. Short-term rental income can support that ratio — the mechanics of financing a nightly rental this way are covered in our guide to DSCR loans for Airbnb properties — but only if the income is both documentable and, critically, legal to earn.

That second condition is where the regulatory map re-enters the math. STR income used for qualification is typically supported by a 12-month operating history or a market-based projection. In a preemption state, that projected nightly revenue is durable, so the DSCR built on it is durable too. In a contested or restrictive market, a conservative underwriter discounts the STR premium — or ignores it entirely — and asks the more important question:

• Does the deal still cover on long-term rent? The cleanest STR underwrite runs a second scenario at the property's stabilized long-term market rent. If the DSCR clears on the boring annual lease, the STR upside is a bonus, not a dependency — and a night-cap ordinance next year is an inconvenience, not a default.
• Is the income legal at the property, not just the metro? STR rules are frequently drawn at the zone, HOA, or building level. A citywide “yes” does not guarantee your specific parcel qualifies. Verify the address, not the headline.
• What happens to value if the rules tighten? New York's own data — an 83% listing drop — is the reminder that a regulatory change can erase a market's STR premium in a single season. Underwrite the downside exit before you need it.

This is why the strongest 2026 STR deals are the ones that also work as long-term rentals. When the annual-lease DSCR pencils, the investor keeps the nightly upside where it's legal and retains a clean fallback where it isn't. And when a stabilized property builds equity, a cash-out refinance on a DSCR loan can recycle that equity into the next deal — in a market chosen for its regulatory floor, not just its nightly rate.

Underwriting the Regulatory Risk Before You Buy

The reset rewards process over enthusiasm. Before an STR purchase in 2026, the regulatory screen should come before the pro forma, not after it. A workable sequence:

• Start with the state posture. Preemption states (Florida, Arizona and peers) set a floor no city can drop below. That alone narrows a national search to markets where the strategy can't be zoned to zero.
• Read the specific ordinance, then the specific parcel. Check registration requirements, night caps, primary-residence rules, and zone boundaries — and confirm they apply to your exact address and building, not just the ZIP code.
• Model the tax and fee load. Rising lodging taxes (Colorado's move from a 2% to 6% county cap is the template) come straight out of net income. Put them in the model before you sign.
• Stress-test to long-term rent. If the deal only works as an STR, it is a bet on the ordinance, not on the real estate. Require a DSCR that clears on annual rent as your margin of safety.
• Assume enforcement is improving. Platform data-sharing laws like California's SB 346 mean “unenforced” is a shrinking category. Underwrite as if the rule will be enforced, because increasingly it will be.

A note on scope: this article is educational and summarizes short-term-rental rules that change frequently and vary by state, county, city, zone, and homeowners association. It is not legal, tax, or investment advice. Confirm the current regulations for any specific property with the local jurisdiction and qualified counsel before you buy or lend against STR income.

The Investor Takeaway: A Tiered Map for 2026

Strip away the individual ordinances and the 2026 landscape sorts into three tiers, each with a different underwriting posture. The tiers matter more than any single city, because they tell you how much of your return is riding on a rule that could move.

Tier one — preemption markets. Florida, Arizona, and their peers set a legal floor no city can drop below. STR income here is the most durable, so it is the most defensible basis for a DSCR. The work is confirming the local registration and tax rules, not worrying about a surprise ban. These are the markets where a short-term strategy can be a genuine multi-year plan rather than a bet.

Tier two — contested and tightening markets. Dallas-style litigation markets, plus anywhere layering on data-sharing enforcement (California) or higher lodging taxes (Colorado's 2%-to-6% cap increase), still work — but only for investors who underwrite the STR premium conservatively and keep a long-term-rent fallback. The right move here is to buy the real estate on its long-term merits and treat the nightly upside as optionality.

Tier three — restrictive markets. New York City, most of Oahu, and the primary-residence-capped coastal cities have functionally removed the non-owner-occupied STR. The 83% New York listing collapse is what a tier-three outcome looks like in the data. For a pure-investment buyer, these are long-term-rental markets wearing a short-term-rental reputation — underwrite them as annual-lease deals or pass.

None of this argues against short-term rentals. Demand is stable and, in the right markets, nightly income still clears a DSCR with room to spare. The reset simply moved regulation from a footnote to the first screen. Investors who lead with the legal read — state posture, local ordinance, exact parcel, tax load, and a long-term-rent stress test — are the ones who will keep buying STR deals that finance cleanly while the map keeps shifting underneath everyone else.

Underwrite the market, not just the nightly rate.

AHL's DSCR loans qualify on a property's income — and the strongest 2026 structures are the ones that pencil on long-term rent with short-term upside as the bonus. Talk to our team about the DSCR structure that fits the market you're buying in, and how a cash-out refinance can recycle equity into the next deal.

Explore DSCR financing for rental property → https://www.ahlend.com/dscr-debt-service-coverage-ratio/

Sources

• AirDNA — “2026 Will Be the Best Year to Invest in Short-Term Rentals Since 2021” (supply +4.6%, occupancy, ADR, World Cup RevPAR). https://www.prnewswire.com/news-releases/2026-will-be-the-best-year-to-invest-in-short-term-rentals-since-2021-new-airdna-report-finds-302643393.html
• AirDNA — “The Aftermath of NYC's Short-Term Rental Crackdown” (Local Law 18: ~83% listing drop, ~29% rise in long-term listings). https://www.airdna.co/blog/nycs-short-term-rental-crackdown
• Rent Responsibly — “Year-end 2025 state short-term rental bills and what's ahead in 2026” (California SB 346; Colorado HB 25-1247; state-ban trend). https://www.rentresponsibly.org/year-end-2025-state-short-term-rental-bills-and-whats-ahead-in-2026/
• Hawaii Living — “Bill 41 (CO 22-7): Oahu's Short-Term Rental Rules” (90-day minimum outside resort zones). https://www.hawaiiliving.com/blog/bill-41-co-22-7-oahus-short-term-rental-rules-legal-str-properties/
• Minut — “Short-term rental laws in the US: 2026 guide” (Los Angeles 120-night and San Francisco 90-night un-hosted caps; San Diego licensing). https://www.minut.com/blog/short-term-rental-laws-us
• KERA News — “Short-term rentals can keep operating in Dallas for now, appeals court says” (Feb 2025 injunction upheld). https://www.keranews.org/government/2025-02-10/short-term-rentals-can-keep-operating-in-dallas-for-now-appeals-court-says
• KERA News — “Dallas wants SCOTX to lift a block on its short-term rentals ban before 2026 FIFA World Cup” (three appeals-court rejections in 2025; Oct 16, 2025 Texas Supreme Court petition). https://www.keranews.org/business-economy/2025-10-22/dallas-wants-scotx-to-lift-a-block-on-its-short-term-rentals-ban-before-2026-fifa-world-cup
• Metro Nashville — Short-Term Rental Property Permit Types (not-owner-occupied permits barred in residential zones; owner-occupied natural-person and four-room limits). https://www.nashville.gov/departments/codes/short-term-rentals/permit-types
• KPBS — “No lottery for short-term rental licenses needed, applications short of city's cap” (San Diego STRO Tier 3 cap = 1% of housing / 5,416 licenses; Mission Beach 1,100 lottery). https://www.kpbs.org/news/politics/2022/12/01/no-lottery-for-short-term-rental-licenses-needed-applications-short-of-citys-cap
• Florida Realtors — Veto information document, Senate Bill 280 (2024) (DeSantis veto; local preemption context). https://www.floridarealtors.org/sites/default/files/basic-page/attachments/2024-03/Veto%20SB%20280%20%20-%20Information%20document.pdf
• Arizona State Legislature — A.R.S. § 9-500.39 (2016 vacation-rental / short-term-rental preemption statute). https://www.azleg.gov/ars/9/00500-39.htm

American Heritage Lending, LLC | NMLS #93735 | Equal Housing Lender. This article is for educational purposes only and does not constitute financial, legal, tax, or investment advice. Loan products, rates, and terms are subject to change and qualification. Not a commitment to lend. Figures cited are drawn from the sources listed and reflect data available as of the publication date.