Airbnb Insurance in Maine: What Hosts Actually Need

Most Maine hosts buy the wrong insurance, and they find out at the worst possible moment. The standard homeowner’s policy on your coastal cottage or your Portland condo almost certainly excludes commercial use, and renting the property nightly is commercial use. Airbnb’s built-in protection is real but it is narrower than the marketing suggests, and it does nothing at all for a direct booking or an empty house in February. The gap between what hosts think they have and what they actually have is where a single claim wipes out a season of profit.

This is the guide we give owners before they take their first booking. It covers what your existing policy will not do, what a real short-term rental policy has to include in a state with Maine’s winters and Maine’s coastline, what your town may require at registration, and the exact questions to put to an agent.

Why Your Homeowner’s Policy Will Not Cover You

Nearly every homeowner’s policy contains a business use or business pursuits exclusion. The moment you accept money for a nightly stay, the carrier’s position is that the loss arose out of a business activity the policy never priced for. That exclusion is what gets claims denied, and it applies to both sides of the policy: the property damage from a guest’s kitchen fire and the liability claim from a guest who fell on your icy steps.

There is a second, quieter risk. If your carrier discovers the property is listed publicly on Airbnb or Vrbo and you never disclosed it, you are not just facing a denied claim. You are facing non-renewal or rescission for material misrepresentation, and a cancellation on your record makes the next policy harder and more expensive to get. Carriers do check listing sites.

A standard landlord policy, often a DP-3, is closer but still wrong. Those are built around a tenant with a lease and a year of occupancy. Most of them either exclude transient or short-term occupancy outright or cap it at a handful of rental days per year, and none of them carry the commercial liability limits that nightly guest turnover really calls for.

What AirCover Actually Does, and What It Does Not

Airbnb includes AirCover for Hosts on every booking at no extra cost, and it is genuinely useful. It is also the single most misunderstood thing in short-term rental insurance. Two points matter more than any other. First, the $3M host damage protection is not insurance. It is a reimbursement program Airbnb administers, and Airbnb decides what gets paid. Second, all of it applies only to stays booked through Airbnb.

Now walk through a normal Maine year. A pipe freezes in a shoulder-season week with nobody in the house and water runs through two floors. No guest, no AirCover. A Vrbo guest cracks the quartz counter. Not an Airbnb booking, no AirCover. Your sister-in-law stays for free in October and her dog destroys the sunroom. Not a booking at all. A nor’easter takes half the roof off in January. Weather, not a guest, so no AirCover. In every one of those cases the only thing standing between you and the bill is your own policy.

The Four Options, and Which One Maine Hosts Need

Carriers writing this coverage in Maine include short-term rental specialists alongside standard-market carriers that will add an endorsement. Independent agents in southern Maine and downeast tend to know which regional carriers are currently writing coastal risk, which changes year to year. Get three quotes and compare the endorsement lists, not the premiums. Our guide to short-term rental insurance walks through how to score competing quotes line by line.

What a Maine Policy Has to Include

Coverage names vary by carrier. What matters is that these things are all present and adequate. Anything missing here is a gap you are carrying personally.

The non-negotiables

• Commercial general liability, $1M per occurrence minimum. $2M aggregate is standard and worth it. This is the coverage that responds when a guest is hurt.
• Replacement cost on the dwelling, not actual cash value, and a limit that reflects current Maine construction costs rather than what you paid for the house.
• Replacement cost on contents and furnishings. A furnished rental holds far more insurable value than owners estimate, and rental furniture ages fast.
• Loss of rental income for the period the property is unrentable after a covered loss. In a seasonal market, a July fire and a January fire are not the same financial event, so look for actual loss sustained rather than a short fixed window.
• Building ordinance and law. Much of Maine’s rental stock is old. After a serious loss you may be required to rebuild to current code, and the base policy will not pay for the upgrade without this.
• Other structures. Detached garages, bunkhouses, boathouses, docks, and outbuildings are frequently underinsured or unlisted.

The Maine-specific ones people skip

• Freeze and water damage without a punitive maintenance clause. Many policies exclude freeze loss if heat was not maintained or the system was not drained. Ask what the carrier requires you to prove, and put remote temperature monitoring in the house so you can prove it.
• Vacancy provisions. This is the one that catches Maine owners. A typical policy restricts or voids coverage after 30 to 60 consecutive days vacant. A ski-country cabin in May or a coastal cottage in November can cross that line without anyone noticing. Confirm in writing that seasonal vacancy is acceptable.
• Equipment breakdown. Furnaces, boilers, heat pumps, and well pumps fail in the cold, and a mechanical failure is not the same peril as a storm.
• Water backup and sump overflow, plus septic backup if you are not on municipal sewer.
• Amenity liability. Hot tubs, docks, floats, canoes and kayaks, fire pits, wood stoves, snowmobiles, e-bikes. Watercraft and motorized equipment usually need to be scheduled specifically. If it is in your listing photos, it needs to be on your policy.
• Wood stove and fireplace disclosure. Undisclosed solid fuel heat is a common reason a Maine claim gets denied.

Winter is where most of these converge. Our guide to managing Maine rentals through winter covers the operational side, and the insurance rules for lakefront homes post goes deeper on waterfront specifics.

Two Things No Short-Term Rental Policy Covers

Flood

Flood is excluded from every homeowner’s, landlord, and short-term rental policy sold in the United States. It is a separate purchase, through the National Flood Insurance Program or a private flood carrier. If your property is anywhere near the coast, a tidal river, or a lake, check its flood zone before you assume you are fine, and check it again if you have owned the property for several years, because Maine flood maps have been redrawn. Note that the distinction insurers make between storm surge and wind-driven rain decides which policy pays, which is exactly why coastal owners need both.

Your full wind loss, in many coastal cases

Coastal Maine policies often carry a separate percentage deductible for wind or named storms, commonly 1% to 5% of the dwelling limit rather than a flat dollar amount. On a $700,000 insured value, a 2% named-storm deductible is $14,000 out of pocket before the carrier pays anything. That number belongs in your reserve planning, not as a surprise after a nor’easter. Our post on protecting oceanfront properties in harsh weather covers the prevention side.

What Maine and Your Town Require

Maine has no statewide short-term rental insurance mandate and no statewide registration system. Regulation is municipal, and it varies sharply from town to town. What is consistent is the direction of travel: more towns are adding registration, inspection, and documentation requirements each year, and proof of liability insurance is an increasingly common line on the application.

South Portland, for example, asks applicants to attach proof of insurance with the short-term rental registration. Portland licenses short-term rentals annually through its Permitting and Inspections Department under Chapter 6 of the city code, with caps, building limits, and owner-occupancy rules that were tightened again for 2026. Bar Harbor requires annual registration and periodic inspection. Several Maine municipalities that do specify a minimum set it at $1M in liability coverage, which is another reason to write your policy at that limit even where no one is asking yet.

Our overview of Maine short-term rental regulations and our short-term rental compliance walkthrough cover the registration and lodging tax side in detail.

LLCs, Mortgages, and Whose Name Is On the Policy

If the property is held in an LLC, the LLC has to be the named insured. A policy in your personal name on a property owned by an entity creates an insurable interest problem that can void the whole thing at claim time. Your lender belongs on the policy as mortgagee, and if you use a property manager, each party will typically want to be named as an additional insured on the other’s liability policy. This is routine paperwork that takes ten minutes and prevents a genuinely bad outcome.

One more layer worth pricing: a commercial umbrella sitting above the STR policy. Going from $1M to $2M or $3M of total liability protection is usually one of the cheapest risk reductions available to a rental owner, and it is the coverage that matters most in the rare catastrophic guest injury.

What It Costs

There is no honest single number, and any source that gives you one is guessing. A dedicated short-term rental policy costs meaningfully more than the landlord policy on the same house, because it is carrying commercial liability limits, higher contents values, business income, and nightly guest turnover. For reference, standard rental property coverage in southern Maine runs in the neighborhood of $1,100 per year, and an STR policy on the same property will sit well above that. Coastal and waterfront properties, and anything needing separate flood coverage, go higher still.

What actually moves your premium:

• Replacement cost of the dwelling, which is the single biggest driver
• Distance to coast, flood zone, and named-storm exposure
• Liability limit and whether an umbrella sits above it
• Amenities: hot tub, dock, watercraft, wood stove, pool, trampoline
• Age of roof, electrical, heating system, and plumbing
• Claims history on the property and the owner
• Deductible structure, including any percentage wind deductible
• Whether the property is professionally managed, which some carriers credit

Whatever the number lands at, run it as a line item in your operating costs rather than an afterthought. Our breakdown of whether owning a Maine Airbnb is worth it shows how insurance fits into the full carrying cost picture, and the revenue estimate tool gives you the income side to weigh it against.

How to Buy It: A Six-Step Checklist

1. Tell the truth about the use. Describe it as a short-term rental, name every platform including direct bookings, and state how many nights a year you expect. Every protection you buy depends on this being accurate.
2. Get a real replacement cost figure for the dwelling, from a current estimator rather than your purchase price or your assessment.
3. Inventory the contents and the amenities, including the hot tub, the dock, the kayaks, and the wood stove, and hand that list to the agent.
4. Ask for three quotes, at least one from a short-term rental specialist and one from a local independent agent who writes coastal Maine risk.
5. Compare the exclusions side by side, not the premiums. The cheapest policy is usually cheapest because of what it left out.
6. Bind flood separately if the property warrants it, and note the waiting period before it takes effect, which for new NFIP policies is typically 30 days.

Questions to put to the agent in writing

• Is nightly short-term rental use covered without a cap on rental days?
• What are the vacancy provisions, and is seasonal vacancy of 60 or 90 days acceptable?
• Is freeze damage covered, and what must I prove about maintaining heat?
• Is there a percentage deductible for wind or named storms, and what is it in dollars?
• Does liability extend to the hot tub, the dock, and any watercraft guests use?
• Is loss of rental income actual loss sustained, or capped at a fixed period?
• Is building ordinance and law coverage included, and at what limit?
• What is required of me if the property is rented while I am out of state?

The Five Mistakes We See Most

1. Assuming AirCover is enough. It covers Airbnb bookings only, and the damage half is not insurance.
2. Never telling the carrier. The cheapest policy in Maine is the one that gets rescinded the day you need it.
3. Insuring to purchase price. Replacement cost on an older Maine home is frequently well above what the house sold for.
4. Ignoring the vacancy clause. Shoulder seasons here are long, and a policy that quietly stops covering an empty house in November is a policy that fails exactly when frozen pipes happen.
5. Forgetting flood. It is separate, it has a waiting period, and you cannot buy it after the forecast turns.

Where Everrow Fits

We manage short-term rentals across Maine, from Portland and the southern coast to Sugarloaf, Sunday River, and the lakes region. We do not sell insurance and we are not insurance advisors. What we do is make sure owners have the coverage conversation before the first booking rather than after the first claim, keep the documentation a town registration asks for in order, and run the property so the risks that drive claims, frozen pipes, unsupervised hot tubs, and deferred maintenance, are managed rather than discovered.

If you are still setting up, start with our guide to starting an Airbnb in Maine. If you want to hand the operating side off, here is what to expect from Airbnb property management in Maine.