Grimsby, Canada Short-Term Rental Regulations: A 2026 Guide For Airbnb Hosts

Do you own a place in Grimsby, Canada and you're weighing whether to put it on Airbnb or Vrbo? Well, the good news is that there's a legal way to take paying guests here, and it won't cost you a cent in licence fees, because the town doesn't licence short-term accommodation at all. The bad news is that the legal way isn't the one you were picturing. Renting the whole house out by the night isn't permitted in Grimsby, in any zone.

That prohibition never appears as a ban, which is exactly why owners miss it. Ontario zoning runs the other way round, so a use is allowed only where the by-law lists it, and the phrase "short term rental" appears nowhere in Grimsby's Zoning By-law 14-45, consolidated as recently as November 2025. Town staff spelled the consequence out in report BYL-24-06: "Because STRs are not listed as a permitted use, they are therefore prohibited." Council had one clear chance to change that and passed on it. The town's own short-term rental page records the outcome of the October 21, 2024 ratification in one line: Grimsby "is not moving forward with a Short Term Rental By-law and licensing program".

So let's walk through what that leaves you with in 2026: the one form of paid overnight accommodation Grimsby does permit, why there's no licence to apply for, the taxes that bite even when the rental isn't legal, how hard the town actually pushes, and who to call at Town Hall. Grimsby is a small Niagara Region town in Ontario, sitting on Lake Ontario between Hamilton and St. Catharines. Every figure below comes from the town's own by-laws and staff reports, from the Planning Act, or from the Canada Revenue Agency, all checked in July 2026. Before you spend anything on furniture, run the property through BNBCalc on a bed and breakfast basis rather than a whole-home one.

Starting a Short-Term Rental Business in Grimsby

Start with what the by-law does allow, because it's narrower than most owners expect. Grimsby permits a bed and breakfast, and that's the entire list.

The zoning definition is short enough to quote in full. A "Bed and Breakfast Use" means the use of a single detached dwelling for the rental of rooms to the travelling public for overnight accommodation on a temporary basis. Read that first clause slowly. Single detached dwelling, which rules out your condo, your townhouse, your semi and your apartment in one stroke. The town's own short-term rental FAQ says the same thing about condos in plainer language.

Section 4.17 of the by-law then attaches the operating rules, and they're the reason this is a side business rather than an investment:

• The use has to be clearly secondary to the use of the dwelling as a residence.
• It can be operated only by residents of the dwelling, so an absentee owner is out.
• It can contain no more than three guest rooms.
• Parking goes outside the required minimum front yard, with one guest space allowed there as the single exception, and the parking schedule adds one space per guest room on top of whatever the dwelling itself already needs.
• All relevant requirements of the Ontario Building Code and Fire Code have to be met.
• You get one non-illuminated sign, maximum face area 0.6 square metres, maximum 1.2 metres above the ground, clear of the visibility triangle and at least a metre from any lot line.

One clause catches people who've already improved the property. Under section 4.19, a bed and breakfast isn't permitted on any lot where there's an additional residential unit. So if you finished the basement as a legal second unit, you've traded away the B&B option, and nobody tells you that until you ask.

The Town of Grimsby Official Plan sits above the zoning and points the same direction. Policy 3.4.1.6 permits new bed and breakfast establishments in all Residential Neighbourhood designations, capped again at three guest rooms, with any building or parking addition made for the B&B subject to Site Plan Control. The plan's own definition matches the zoning one: a single family dwelling, not more than three rooms, travelling public, temporary basis.

Now for a wrinkle the town has never cleaned up. The Let's Talk Grimsby FAQ describes a bed and breakfast as involving the serving of food to guests, and the definition quoted in the 2024 staff report says the same. Neither of those is binding text. The zoning by-law and the Official Plan, which are what an officer enforces, say nothing about meals at all. I've gone with the by-law throughout this guide, though do check with Planning before you build a business model on either reading.

What about the 28-day line you'll see quoted everywhere in Niagara? That threshold comes from the definitions the town borrowed while it was studying the question, and Grimsby's own 2024 information report takes it straight from a neighbour's rules, quoting the City of St. Catharines Short-term Rental Accommodation Licensing By-law No. 2023-060. Grimsby's zoning sets no night threshold, because it never defines a short-term rental in the first place. A genuine month-to-month tenancy is ordinary residential use and always has been, which is the pivot most owners here end up taking.

Short-Term Rental Licensing Requirement in Grimsby

Three guest rooms and no fee sounds like a gap somebody forgot to close, yet it's a decision, and a recent one. Grimsby has no short-term rental licence because council decided in 2024 not to create one.

The story starts on December 4, 2023, when council passed resolution C-23-338 directing staff to study a short-term rental tax or licensing system, with any revenue earmarked for a pilot fund giving local tenants legal representation. Staff came back on March 4, 2024 with report BYL-24-01, which laid out the process, and then ran a real consultation. There was an open house at Town Hall on June 20, 2024, a question-and-answer thread that drew 25 questions, and a survey that opened on August 6 and pulled 60 responses.

Then the project died. Staff examined four options, from a full by-law plus licensing program down to doing nothing, and recommended the last one. Two findings drove it.

The first was legal. Counsel advised that municipalities have no authority to fund a tenant legal fund out of licensing fees, and that a licensing program has to be revenue neutral rather than a revenue stream, which removed the original motive entirely. The second was money, since a proper Short Term Accommodation Study, the step that would have aligned the Official Plan and Zoning By-law first, was priced at roughly $100,000 against the 2025 budget.

Council then received BYL-24-06 for information on October 21, 2024, and the town has said since that STRs "are not permitted in the Town of Grimsby".

Keep in mind what "no licence" does and doesn't mean here, because this is where the money gets lost. A licence is permission to do something the rules otherwise restrict. Grimsby never issues one, so there's no piece of paper that makes a whole-home listing lawful, and no fee you can pay to fix it. The absence of a licensing regime isn't a loophole. It's the town declining to build a door into a wall.

Grimsby is also unusual in its own region. BYL-24-06 puts Grimsby and the Township of West Lincoln down as the only two municipalities in the Niagara Region without a short-term rental by-law and licensing program. Niagara Falls allows short-term rentals only in its tourist zone, Niagara-on-the-Lake allows them in almost all zones, and the Town of Lincoln approved its own by-law and licensing program in September 2024. Drive fifteen minutes in most directions and the rules change completely.

Required Documents for Grimsby Short-Term Rentals

Inside Grimsby's own boundaries, then, there's no licensing clerk waiting on your file. That still leaves you with things to prepare, mind you, because a bed and breakfast answers to four separate authorities, and each one wants something from you before guests arrive:

• Written zoning confirmation for your specific address. Bed and breakfast is a listed use in the by-law's rural and agricultural, residential and downtown zone tables, with qualifications attached in some zones. Which ones apply to your lot is a Planning question, and getting it in writing costs you nothing but a phone call to extension 2128.
• A building permit, if the rooms need work. Adding a bathroom, changing egress, finishing a space for sleeping accommodation: all of that runs through the Building department at extension 2022 before anyone books.
• Ontario Fire Code compliance. Section 4.17 of the by-law makes this a condition of the use, not a nice-to-have, and Grimsby Fire is the one who'll look at your smoke alarms, carbon monoxide alarms and exits.
• A parking plan that actually works on your lot. One space per guest room on top of the dwelling's own requirement, and not in the required front yard except for one.
• Site Plan Control approval, where you're adding to the building or the parking area for the B&B. That comes straight out of Official Plan policy 3.4.1.6.
• A GST/HST number, once your taxable supplies pass $30,000 over twelve months.

Insurance is the one nobody enforces and everybody should sort out. The town has no licence to hang an insurance condition on, so there's no certificate to file. Don't forget that a standard homeowner's policy and a house full of paying strangers are a bad combination anyway, so call your broker before your first booking rather than after your first claim.

Grimsby Short-Term Rental Taxes

Assuming your rooms pass all that and you're able to start taking bookings, there's still tax to deal with, and one piece of it turns on whether the rental was legal in the first place.

Charge	Rate	Who collects it
HST on the stay	13% in Ontario	You, if you're GST/HST registered; otherwise the booking platform
Ontario provincial lodging tax	none	Not applicable, Ontario levies none
Grimsby municipal accommodation tax	none as of July 2026	Not applicable, the town has passed no such by-law
Income tax on the profit	your marginal federal and Ontario rates	You, through your annual return

Start with the sales tax, since it's the one that shows up on every booking. The Canada Revenue Agency's rules for platform-based short-term accommodation apply to accommodation occupied for less than one month that costs more than $20 per night, which covers essentially every B&B booking you'll take. A host who is GST/HST registered charges and collects the 13% themselves, including on platform bookings. A host who isn't registered has the platform collect and remit instead. Registration is generally required once you cross $30,000 in taxable supplies over twelve months, and plenty of three-room operators never get near it.

Ontario adds no provincial lodging tax on top. Municipalities can levy their own under O. Reg. 435/17, Transient Accommodation Tax, in force since December 2017, and many Ontario cities do. Grimsby hasn't. No accommodation-tax by-law appears among the town's by-laws, and the 2024 report that considered a tax ended with council doing nothing, so treat it as zero for now and confirm with Finance if you're pricing a season ahead.

Now the part that makes Grimsby different from a merely strict market. Section 67.7 of the Income Tax Act denies expense deductions for a "non-compliant short-term rental", meaning one operated in a place that doesn't permit short-term rentals, or one that fails to meet the applicable registration, licensing and permit requirements. A short-term rental, for this purpose, is anything rented or offered for rent for fewer than 90 consecutive days. The denied share is your expenses multiplied by non-compliant days and divided by total short-term rental days.

Work that through for a Grimsby whole-home listing and the arithmetic is brutal, because the town permits none of them. Every night is a non-compliant night, so the fraction resolves to one no matter how many nights you booked, and the denied share comes out the same either way: all of it. Mortgage interest, property tax, insurance, utilities, cleaning, platform commission. None of it comes off the income. The rule applies to tax years after 2023, and the transition relief CRA offered for anyone who became compliant by December 31, 2024 is long gone.

Be aware that this doesn't depend on anyone complaining, either. Under Part XX of the Income Tax Act, digital platform operators report host and property data to CRA, so the bookings are already visible. A properly run bed and breakfast, by contrast, is a permitted use, which means the deductions survive and the whole calculation looks like an ordinary small business.

Ontario Wide Short-Term Rental Rules

Federal tax is the only layer above Grimsby that carries real weight, and that's mostly because the provincial layer is so thin.

Ontario has no provincial short-term rental statute, no registry, no province-wide licence and no principal residence rule. Nothing you file with Queen's Park changes what you may do with your house. Licensing power instead flows to municipalities through Part IV of the Municipal Act, 2001, which is why the rules can differ this sharply between Grimsby and Niagara Falls, twenty minutes apart. The province's only real STR instrument is the transient accommodation tax regulation, and even that just permits a municipal tax rather than imposing one.

Compare that with the rest of the country and Ontario looks almost hands-off. British Columbia's Short-Term Rental Accommodations Act runs a provincial registry, and it imposes a principal residence requirement in most communities over 10,000 people. Registering there costs $100 a year where the host lives on site and $450 where they don't, on top of whatever the municipality already asks for, which is the double layer the Abbotsford regulation guide and the Chilliwack regulation guide both work through.

Quebec makes you hold a CITQ registration certificate, at $156 for a general establishment and $54 for a principal residence one, and the number has to appear in the listing, which the Granby regulation guide covers in detail.

Ontario asks for none of that. The catch is that a light provincial hand doesn't mean a light touch overall, since it hands the whole question to your municipality, and your municipality here has decided the answer is no.

One provincial thing does apply, and it's the penalty. Because Grimsby enforces through its zoning by-law, the fines come from section 67 of the Planning Act rather than from any municipal schedule.

Does Grimsby Strictly Enforce Short-Term Rental Rules?

Those Planning Act fines are the sharp end, so the fair answer is that Grimsby enforces seriously but slowly, and the slowness is deliberate rather than accidental.

Enforcement is complaint-driven. Municipal Law Enforcement doesn't patrol for listings, and BYL-24-06 closes by saying staff "will continue to enforce short term rentals on a complaint basis". When a complaint comes in, officers work from the Zoning By-law, which the same report calls "a long and cumbersome process to achieve compliance". Where an owner won't comply, staff apply for a Part III summons and compel the person into provincial court, a route that takes multiple courthouse visits and, in the report's own words, an onerous amount of time to get through trial and sentencing.

That's the file nobody wants to open, and it explains why the noise and parking complaints usually land first. Those can be dealt with under the town's other by-laws, including Noise By-law 11-22 and Property Standards By-law 15-17, through a Part I ticket or the administrative penalty system. It's the fast lane, and a busy weekend rental will find it quickly.

The penalties themselves are not symbolic. Under section 67 of the Planning Act, an individual who contravenes a zoning by-law is liable to a fine of not more than $25,000 on a first conviction. A subsequent conviction then carries up to $10,000 for every day the contravention continues. For a corporation the figures are $50,000 and $25,000 per day. The court can also make an order prohibiting the continuation or repetition of the offence outright, which is the part that ends the business.

There's one procedural detail worth getting straight, and it cuts both ways. Grimsby's Municipal Law Enforcement states plainly that anonymous complaints will not be accepted: a complainant has to give a full name, telephone number and address, though their identity is then protected under provincial privacy law. That raises the bar for a grudge call from a stranger. It also means one motivated neighbour who's willing to sign their name is all it takes.

My honest read, since I've been through the reports rather than the courthouse records, is that the enforcement risk here is real but back-loaded, and the tax consequence is the one that arrives on schedule. A complaint might never come. The section 67.7 deduction denial applies the moment you file, whether anyone complains or not.

How to Start a Short-Term Rental Business in Grimsby

Given that the enforcement risk and the tax risk both sit on the illegal side of that line, the sequence below then stays firmly on the legal one. Work it in order, because the early steps decide whether the later ones are worth the money.

1. Check what your dwelling actually is. Single detached is the entry ticket for a bed and breakfast. A condo, townhouse or semi doesn't qualify, and no process changes that.
2. Confirm your zone with Planning in writing. Call 905-945-9634 extension 2128 or email [email protected] with your address, and ask specifically whether bed and breakfast is permitted on your lot and under what qualifications.
3. Check for an additional residential unit on the lot. A legal second unit and a bed and breakfast can't coexist under section 4.19, so make sure you know which one you want before you finish a basement.
4. Design the stay around the three-room cap and your own presence. You live there, you operate it, and the use stays clearly secondary to the home. This is a spare-rooms business, so model it that way.
5. Sort out the Building Code and Fire Code work early. Egress, alarms and any construction go through Building at extension 2022 before you list, not after an inspection.
6. Solve parking on paper. One space per guest room in addition to the dwelling's own, out of the required front yard except for a single guest space.
7. Call your insurer, then register for HST if you'll cross $30,000. Both are cheaper to handle in advance than to explain later.
8. Model the whole-home alternative honestly. If the numbers only work with the entire house listed nightly, the Grimsby answer is a 30-day-plus furnished tenancy under ordinary landlord and tenant rules, or a different municipality.

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

Whichever step you get stuck on, everything runs out of one building. Grimsby Town Hall sits at 160 Livingston Avenue, Grimsby, ON L3M 0J5, the main line is 905-945-9634, the fax is 905-945-5010, and the doors are open weekdays from 8:30 a.m. to 4:30 p.m.

Zoning, permitted uses and the Official Plan

The Planning and Development Department answers whether a bed and breakfast is permitted on your specific lot, which is the first question you should ask anyone.

• Phone: 905-945-9634, extension 2128
• Email: [email protected]
• Official Plan questions: [email protected]
• Documents: the Official Plan and Zoning page carries the current Zoning By-law 14-45 and Official Plan consolidations

Complaints, enforcement and by-law questions

Municipal Law Enforcement handles zoning complaints, noise, property standards and parking, and it's the office that would open a file on an illegal listing.

• Phone: 905-945-9634 (weekdays, 8:30 a.m. to 4:30 p.m.), extension 2023
• Email: [email protected]
• Outside those hours: the town's after-hours Operations Centre takes emergencies on 905-945-9201, which isn't a by-law line
• Online: complaints go through the town's Report an Issue form, and anonymous ones aren't accepted

Building permits and code

The Building Department covers permits, change of use, egress and inspections at extension 2022, and it's worth calling before you commit to any renovation you're planning around guest rooms.

Council, records and staff reports

The Clerks Department at [email protected] can point you to council agendas, minutes and reports. Both staff reports behind the current position, BYL-24-01 and BYL-24-06, were prepared by the Coordinator of Municipal Law Enforcement and reviewed by the Director of Legislative Services and Town Clerk, so that office knows this file better than anyone.

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

Since the town's own consultation is the only structured sentiment anyone has collected here, that's where I'd start rather than with forum threads. Grimsby is a small market and the public record is thin: 25 questions on the town's engagement platform, then 60 survey responses, and that's the whole of it. What follows is my read of the recurring themes rather than a survey, and I couldn't read Reddit directly, so weigh it accordingly.

• Most owners find out about the prohibition late. The pattern shows up in the town's FAQ, which spends its answers explaining that only bed and breakfasts are permitted and that condos can't be listed. Those aren't the questions people ask when they already know the rules.
• Investor discussion in Niagara has moved to the municipalities with a licence. Niagara Falls and Niagara-on-the-Lake have defined, licensable paths, and Lincoln built one in 2024. Grimsby doesn't, so the conversation tends to relocate rather than resolve.
• Listings keep appearing anyway, and nobody publishes how many. Staff describe illegal short-term rentals as an ongoing enforcement workload rather than a hypothetical, so they plainly exist. I couldn't find a listing count in any Grimsby document, though, and the one news article carrying a figure wouldn't load for me, so I'm not going to put a number on it.
• Nobody credible argues the rules are unenforceable. They argue that enforcement is slow, which is a different claim, and section 67.7 has quietly made it a weaker one since 2024.

Assuming you're weighing Grimsby against a town that will actually licence you, don't settle it on local anecdote. BNBCalc's Canada market data puts those markets side by side on what they earn, which is the comparison that decides it. Two guides worth reading next, both of them places that took the opposite path to Grimsby, are the Maple Ridge regulation guide and the Hope regulation guide.

One thing genuinely is moving, and it's worth tracking. Council adopted a new Official Plan, Envision Grimsby, by By-law 26-44 on July 13, 2026, and the adopted plan contains a policy that the town "shall manage the provision and impacts of short-term rentals on affordable housing in Grimsby". That's the first time short-term rentals appear in a Grimsby planning document as something to be managed rather than ignored.

The plan isn't in effect yet, mind you. It's been forwarded to the Minister of Municipal Affairs and Housing for approval, and until that decision lands, the November 2025 Official Plan and Zoning By-law 14-45 are still the law on your street.

Frequently Asked Questions

Can you legally run an Airbnb in Grimsby, Ontario in 2026?

Not as a whole-home rental. The Town of Grimsby Zoning By-law 14-45 doesn't list short-term rentals as a permitted use in any zone, and under Ontario zoning a use that isn't listed is prohibited. Town staff confirmed this in an October 2024 report to council. The one legal option is a bed and breakfast: a single detached dwelling you live in, operated by residents of the home, with no more than three guest rooms.

Does Grimsby have a short-term rental licence or permit?

No. Grimsby licences neither short-term rentals nor bed and breakfasts. Council studied a licensing program through 2024, held an open house and a public survey, and then received report BYL-24-06 for information on October 21, 2024, which ended the project. Grimsby and the Township of West Lincoln are the only two municipalities in the Niagara Region without a short-term rental by-law and licensing program.

What are the fines for running an illegal short-term rental in Grimsby?

Enforcement runs through the Zoning By-law, so the penalties come from section 67 of Ontario's Planning Act. An individual faces a fine of up to $25,000 on a first conviction and up to $10,000 for each day the contravention continues after that. A corporation faces $50,000 and $25,000 per day. A court can also order the use to stop. Noise and parking complaints are handled separately, through tickets or administrative penalties.

Is a Grimsby bed and breakfast taxed differently from an Airbnb?

The sales tax works the same way for both: 13% HST applies to stays under one month costing more than $20 a night, collected by the host if registered and by the platform if not. Income tax is where they part company. Section 67.7 of the Income Tax Act denies expense deductions to non-compliant short-term rentals, and because Grimsby permits none, a whole-home listing loses every deduction. A permitted bed and breakfast keeps them.

Can you rent a condo or townhouse short-term in Grimsby?

No. The zoning by-law's bed and breakfast definition is limited to a single detached dwelling, and the town's own short-term rental FAQ confirms condos cannot be rented short-term under existing zoning. Renting any dwelling for stays of 30 days or longer is ordinary residential use and falls under normal landlord and tenant rules instead, which is the route most Grimsby owners with a whole unit end up taking.

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