Maine Short-Term Rental Regulations: A 2026 Guide For Airbnb Hosts

Do you own a place in Maine and you're weighing whether to put it on Airbnb or Vrbo? Well, the good news is that the state itself won't stand in your way: Maine has no statewide short-term rental ban, no statewide license, and no cap on how many nights a year you can rent. The catch, and it's a real one, is that the state hands nearly all of the actual decision-making down to your town, so what's true in Bar Harbor doesn't have to resemble what's true forty minutes down the coast in Portland.

That gap is bigger than most new hosts expect. Bar Harbor caps non-owner-occupied rentals at 9% of the town's total dwelling units and fines an unregistered host $1,500 for a first offense, $3,000 for a second. Portland, by contrast, has historically tiered its registration fees by how many units a building holds and whether you live in one, and voters there have twice tried to squeeze corporate operators out entirely. Neither approach is wrong, exactly. They're just different towns answering the same housing-supply question in different ways, which means the town-by-town homework is not optional.

So this guide covers the layer that sits above all of that: the state registration every host needs regardless of town, the tax you'll owe on every stay, how enforcement tends to actually work, and who to call when a question falls between the cracks. Every figure below comes from Maine's own statutes and agency pages, or from a town's own ordinance, checked in July 2026. Since the town-level rules vary so much, our Ellsworth guide walks through one Maine town's process from application to renewal, and it's worth reading alongside this one once you know your specific town. If you're still deciding whether Maine is where you want to put your money at all, run the property through BNBCalc first.

Starting a Short-Term Rental Business in Maine

Since the town, not the state, decides most of what matters, the first real question isn't "is this legal" so much as "what does my specific town allow." Maine's legislature settled the underlying authority question in 2021: 30-A M.R.S. §4364-C(2) confirms that "a municipality may establish and enforce regulations regarding short-term rental units," tied to the state's housing production goals, and any local ordinance also has to further the federal Fair Housing Act and the Maine Human Rights Act. That's a grant of power, not a limit on it, so towns have run with it in wildly different directions.

You can see the range just among coastal towns that depend on tourism. Bar Harbor splits rentals into VR-1, your own primary residence, and VR-2, an entire unit you don't live in, and only the VR-2 category faces that 9% town-wide cap. Portland has run a tiered system since 2018 that limits how many units in a single building can go short-term at all: one or two units in a building generally means one short-term rental is allowed, while a ten-plus unit building can run up to five. And Portland voters put two separate citizen-initiative questions on the November 2022 ballot aimed at restricting corporate and absentee operators further, which tells you how contested this is locally even now. Freeport, Kennebunkport, Falmouth and Cape Elizabeth all run their own registration systems too, each with its own fee and its own definition of what counts as a short-term rental in the first place.

A 2025 bill worth knowing about, even though it didn't pass, is LD 1181, which would've let local assessors reclassify a short-term rental as "commercial in use" whenever it wasn't the owner's primary residence. The Legislature's committee recommended against it, and the House agreed on June 5, 2025. So the classification question stays with each town for now. Keep an eye on it anyway. A bill that dies once in Augusta has a habit of coming back the following session.

Short-Term Rental Licensing Requirements in Maine

Given how much of this sits with your town, it helps to separate what the state actually requires from what your town layers on top, because Maine itself imposes just three narrow requirements, and none of them amounts to a general-purpose "short-term rental license."

The first applies to nearly everyone: registering with Maine Revenue Services to collect the state's tax on rental of living quarters. It's free, done through the Maine Tax Portal, and required of anyone renting living quarters unless the casual-rental exemption covers you (more on that in the tax section below). The second is a state lodging license from the Maine CDC's Health Inspection Program, and it mostly doesn't apply to you: the rule expressly excludes vacation rentals and ordinary tenant-landlord rentals from its "lodging place" definition. Bed-and-breakfasts are the one exception, though: they need this license "regardless of the number of rooms rented," so if that's your model, don't skip it. The third is brand new for 2026 and only touches hosts in Maine's unorganized territories. The Land Use Planning Commission adopted short-term rental rules effective January 12, 2026, and anyone operating in LUPC's jurisdiction has to file a one-time notice, even though there's no permit or fee involved. If you were already renting before that date, you have until July 11, 2026 to file, online, by mail or by email.

Assuming your town isn't unorganized territory, though, its own ordinance is where the real gatekeeping happens. Bar Harbor's is unusually well documented, so it's worth working through as a model of how detailed these can get. Under Chapter 174 of the town code, you register annually with the Code Enforcement Officer, and the registration expires every May 31 regardless of when you first applied. The fee itself is nonrefundable and due at filing, and your property taxes and town water and sewer accounts can't be in arrears either. And the unit has to pass a life safety inspection before your first registration and again every three years after that, covering interconnected smoke and carbon monoxide alarms, proper egress windows, and GFCI outlets in wet areas.

VR-2 registrations beyond the 9% cap go on a waitlist. Once a slot opens, you get 120 days to finish the application and pass inspection before it moves to the next person in line. Do make sure you check the current version before applying, though. The town's own page notes the ordinance was most recently revised effective December 18, 2025, so the 2021 text isn't necessarily word for word current; call the Code Enforcement office to confirm the fee and any new detail first.

Other towns show just how wide the spread runs. A Maine Legislature staff survey from September 2022, admittedly a few years old now, put registration fees anywhere from $100 to $500 a year depending on the town and the type of rental, while Portland's own tiered schedule ran as high as $4,000 a year for a fifth non-owner-occupied unit in one building. Treat these as a sense of scale rather than today's exact numbers. Municipal fee schedules get revisited, and a lot can change in three or four years.

Town	Registration Categories	Fee, as of a September 2022 legislative survey	Notable Local Rule
Bar Harbor	VR-1 (owner-occupied) / VR-2 (entire unit)	$250	VR-2 capped town-wide at 9% of all dwelling units
Portland	Owner-occupied, tenant-occupied, non-owner-occupied	$100 to $4,000, tiered by unit count	Building limits, e.g. a 10+ unit building may run up to five STRs
South Portland	Hosted / non-hosted	$200 hosted, $400 non-hosted, plus a $100 fire-inspection fee	New applications require a separate fire inspection
Freeport	Single registration	$100	Exempts units rented twice a year or fewer, under 14 total days
Kennebunkport	By bedroom count	$325 (3 bedrooms or fewer), $475 (4+)	Excludes hotels, motels, inns and bed-and-breakfasts by definition
Falmouth	Single registration	$300	n/a
Cape Elizabeth	Hosted / unhosted / acreage-based	$500	Unhosted stays capped at 42 days a year unless the lot is 7+ acres

Every one of those fees can move, and a couple of these towns have almost certainly adjusted theirs since 2022, so confirm the current number with the specific town clerk or code enforcement office before you budget around it.

Required Documents for Maine Short-Term Rentals

Given how many of these fees are nonrefundable, it's worth assembling the paperwork before you file rather than after a rejection. Exactly what you need depends on your town, but the pattern repeats often enough to describe in general terms.

• Your Maine Revenue Services registration, since most town applications ask whether you've already registered for the state's rental tax.
• Proof of primary residence, if your town distinguishes an owner-occupied category from an entire-unit one the way Bar Harbor's VR-1 and VR-2 do. A driver's license and a recent tax filing showing the address are the usual pair.
• A life safety or fire inspection sign-off, wherever your town requires one before it issues a registration. Bar Harbor requires this up front and every three years after; South Portland charges a separate one-time fee for it.
• Confirmation that property taxes, water and sewer accounts are current. Bar Harbor checks this explicitly at the time of issuance, and it's a reasonable assumption that other towns do too.
• An emergency information sheet posted inside the unit, listing your registration number, the property address, emergency contact instructions and a local contact who can respond to problems if you're not there.
• A CDC lodging license application, only if you're running a bed-and-breakfast rather than a typical vacation rental.
• The LUPC short-term rental notice, only if your property sits in an unorganized territory rather than an incorporated town.

Do check your specific town's application checklist directly, since a document that satisfies Bar Harbor won't necessarily satisfy Kennebunkport, and a returned application usually means refiling the nonrefundable fee along with it.

Maine Short-Term Rental Taxes

Once the paperwork clears, the tax obligation is actually the one part of this guide that doesn't change from town to town. Every short-term rental in Maine owes the same state Sales and Use Tax on rental of living quarters, a flat 9% as of July 2026, whether the unit sits in Bar Harbor, Portland or a town with no ordinance at all. Maine's sales tax law doesn't authorize a separate county or city add-on the way many states do, so you shouldn't need to stack a local lodging tax on top of that 9%. A town's own registration or inspection fee is a different thing entirely and isn't a tax, even when it feels like one at renewal time.

Who's actually on the hook to send that 9% in depends on how the booking happened. The owner, manager or booking agent has to register with MRS and pay it directly, unless a "transient rental platform" collects it and pays it over on the host's behalf, as 36 M.R.S. §1754-B requires of qualifying platforms. Airbnb and Vrbo both operate as transient rental platforms in Maine, and from what I can tell, both collect that tax automatically on bookings made through their own sites. I couldn't find a current, official MRS list confirming that every platform does this on every booking. So treat platform collection as the norm rather than a guarantee, and register with MRS yourself regardless. Direct bookings, phone reservations and word-of-mouth stays won't have a platform collecting anything on your behalf.

Two exemptions are worth knowing before you assume you owe this on every stay. A host with a single unit who rents fewer than 15 days in a calendar year isn't considered a "retailer" under 36 M.R.S. §1764 and doesn't have to collect the tax on those bookings, unless the unit goes through a real estate agent or property manager, who has to collect regardless of how few nights it rents. And a stay of 28 consecutive days or more to the same tenant is exempt under specific conditions tied to primary residence, education or employment, which matters more if you occasionally take a longer-term tenant than if you're running nightly turnover. Neither exemption is something a platform tracks for you automatically, so keep your own count if you're renting close to that 15-day line.

Does Maine Strictly Enforce STR Rules?

Since enforcement, like everything else here, sits with the town rather than the state, the honest answer is that it depends entirely on where your property is. Some towns treat it as a serious compliance matter and others handle it mostly on complaint. Bar Harbor sits firmly in the first camp, since operating without a valid registration draws a $1,500 fine on a first violation, jumping to $3,000 plus a twelve-month ban on reapplying for a second violation within a year. The town code also allows suspension for up to twelve months after three or more substantiated violations in a two-year window, with a $500-per-day penalty for operating during that suspension. That's not a one-time cost of doing business. It's a schedule built to make repeat non-compliance expensive on purpose.

Portland's enforcement history runs differently, and it's really more political than punitive. Two separate citizen-initiative questions reached Portland's ballot in November 2022, one aimed at restricting entire-unit rentals to owner-occupied and small buildings, the other targeting corporate and absentee operators specifically. That level of organized pushback tends to mean code enforcement in Portland gets more scrutiny from neighbors and city councilors than it does in a town where short-term rentals draw less attention. I wasn't able to confirm current citation volumes or a specific enforcement budget for Portland from a source I could read directly, so treat that as a gap rather than a number I'm withholding.

What holds across most of the state is that enforcement is complaint-driven rather than proactive. A code enforcement officer in a town without Bar Harbor's inspection cadence is unlikely to go looking for an unregistered listing on their own; a neighbor's call is usually what starts the file. That cuts both ways for a host weighing the risk. It also means a listing that's mildly out of compliance in a quiet neighborhood can run for years without a problem, right up until it doesn't.

How to Start a Short-Term Rental Business in Maine

Assuming you've read enough to know Maine is worth pursuing, the order below keeps you from doing the expensive steps before the free ones.

1. Call your town's code enforcement office or town clerk first. Ask directly whether your property type and location qualify, what category it falls into (owner-occupied versus entire-unit, for instance), and what the current fee is. A five-minute call here can save you a nonrefundable application fee later.
2. Register with Maine Revenue Services. It's free, done through the Maine Tax Portal, and required unless the casual-rental exemption genuinely applies to you.
3. File your town's short-term rental application, including whatever proof of residence, tax status or listing details it asks for, and pay the fee.
4. Schedule any required life safety or fire inspection, and fix anything flagged before your registration is issued rather than after.
5. Post the required in-unit materials, such as an emergency information sheet and your registration number, and add that registration number to every online listing.
6. File the LUPC notice, only if your property sits in an unorganized territory, by the applicable deadline.
7. Get a CDC lodging license, only if you're operating as a bed-and-breakfast rather than a standard vacation rental.
8. Confirm how your booking platform handles the state's 9% tax, and keep your own records if you also take direct bookings.
9. Diarize your renewal date. Bar Harbor's registrations lapse every May 31 regardless of issue date; other towns run on a calendar-year cycle. Missing a renewal window can mean reapplying from scratch, waitlist and all.

If your town's cap leaves you sitting on a waitlist for a while, it's worth reading our short-term versus long-term rental comparison before you let the property sit empty. A furnished 30-plus-day rental falls outside most of these ordinances entirely and can still cash flow while you wait.

Who to Contact in Maine about Short-Term Rental Regulations and Zoning?

Between the state layer and your town's own ordinance, three state offices and your local code enforcement office cover almost every question that comes up.

State sales tax registration and the 9% rental tax

Maine Revenue Services handles registration and remittance for the tax on rental of living quarters.

• Mailing address: PO Box 9107, Augusta, ME 04332-9107
• Sales, Fuel & Special Tax Division: (207) 624-9693
• Email: [email protected]
• Online: the Maine Tax Portal for registration and filing

The state lodging license, bed-and-breakfasts only

The Maine CDC Health Inspection Program administers the lodging place license that applies to bed-and-breakfasts regardless of size.

• Mailing address: Maine Center for Disease Control & Prevention, 109 Capitol Street, 11 State House Station, Augusta, ME 04333
• Phone: (207) 287-5671
• Email: [email protected]
• Hours: 8 a.m. to 5 p.m., Monday through Friday

Unorganized territory hosts

The Land Use Planning Commission handles the 2026 short-term rental notice requirement for properties outside any organized town.

• Mailing address: Department of Agriculture, Conservation & Forestry, 22 State House Station, 18 Elkins Lane, Augusta, ME 04333
• Phone: (207) 287-3200
• Email: [email protected]
• Online: the LUPC short-term rentals project page

Your town's own ordinance

This is the office that actually decides whether you can operate, so don't skip it just because it's the least standardized contact on this list. In Bar Harbor, that's the Code Enforcement Officer, at the Municipal Building, 93 Cottage Street, Bar Harbor, ME 04609, phone 207-288-4098, open 8:30 a.m. to 5 p.m. Every other Maine town runs its own version of this office under its own name, usually "code enforcement" or "town clerk," so start with your town's own website or a direct phone call rather than guessing.

What Do Airbnb Hosts in Maine on Reddit and Bigger Pockets Think about Local Regulations?

What follows is my read of the recurring themes hosts and investors bring up about Maine, rather than a formal survey of any specific forum, so weigh it accordingly.

The theme that comes up more than any other is frustration with fragmentation, since a host who's dealt with one Maine town's process tends to assume the next one works the same way, and it usually doesn't. Someone moving from a Bar Harbor VR-1 registration to a second property in a different coastal town often has to relearn the whole system. The fee is different, the definition of what even counts as a "short-term rental" is different, and so is the inspection cadence. That's a genuine cost that doesn't show up on any fee schedule.

The second theme is a real wariness about referendums. Portland's twin 2022 ballot questions are the reason why, since one would've restricted entire-unit rentals to owner-occupied buildings and the other targeted corporate and absentee operators specifically, and both are still cited as the cautionary example of what happens when a town's housing pressure boils over into a citizen initiative. Investors weighing a Maine purchase in a tourist-heavy town often factor in that a popular vote, not just a council ordinance, could tighten the rules with fairly short notice.

The third theme is more encouraging. Hosts in towns with a clear, published ordinance, Bar Harbor being the most-cited example, generally describe the process itself as workable once you understand it, even if the fees and inspections take real effort. The complaint isn't usually that the rules are unreasonable. It's that finding them in the first place, town by town, takes more digging than it should. That's exactly the gap a guide like this one, plus the town-specific ones like Ellsworth's, is meant to close.

If Maine's town-by-town variation makes you want to compare it against markets with a single statewide framework, our rundown of the best states for Airbnb investing in 2026 is a reasonable next read. And once you've settled on a Maine town, the Maine market data page breaks out occupancy and rate benchmarks at the state level, which is worth checking before you commit to a specific fee schedule and inspection cycle.

Frequently Asked Questions

Can you legally run an Airbnb in Maine in 2026?

Yes, in almost every part of the state. Maine has no statewide ban on short-term rentals and no statewide license requirement. Instead, each municipality regulates short-term rentals under its own ordinance, so legality, permitted categories, caps and fees all depend on which specific town your property sits in. Register with Maine Revenue Services for the state's rental tax regardless of your town, then confirm your local ordinance before you list.

Do you need a state license to run a short-term rental in Maine?

Not a general one. Maine requires free sales tax registration with Maine Revenue Services for nearly all hosts, and a separate CDC lodging license only if you're operating a bed-and-breakfast. Properties in the state's unorganized territories also have to file a one-time notice with the Land Use Planning Commission starting in 2026. Everyone else's actual permit or registration comes from their town, not the state.

How much does it cost to register a short-term rental in Maine?

It depends entirely on the town. A Maine Legislature survey from September 2022 found town registration fees ranging from about $100 to $500 a year, with Portland's tiered non-owner-occupied fees running as high as $4,000 for a fifth unit in one building. Fees change over time, so call your specific town's code enforcement office or clerk for the current amount before you apply.

Do you have to collect tax on a Maine short-term rental?

Generally yes. Maine charges a flat 9% Sales and Use Tax on rental of living quarters statewide, with no separate county or city add-on. Airbnb and Vrbo appear to collect this automatically on bookings made through their platforms, though you should still register with Maine Revenue Services yourself, since direct bookings won't have a platform collecting for you. A host with one unit renting fewer than 15 days a year is exempt unless a real estate agent or property manager is involved.

What happens if you operate a short-term rental in Maine without registering?

Penalties are set town by town rather than by the state. Bar Harbor, for example, fines an unregistered host $1,500 for a first violation and $3,000 plus a twelve-month reapplication ban for a second violation within a year, and can suspend an existing registration for up to twelve months after repeated violations. Other towns set their own schedules, so check your specific municipality's ordinance rather than assuming one town's penalties apply elsewhere.

Last verified: July 2026. Every ordinance, tax rate, state law, and contact detail in this guide links to or comes from its official source.