Alberta Termination of Tenancy Notice Periods
Notice Periods at a Glance
Alberta's Residential Tenancies Act assigns a specific notice period to each termination ground. Getting the period wrong — even by one day — can invalidate the notice entirely and force you to start over.
| Ground | Period | How It's Counted |
|---|---|---|
| Significant damage or assault | 24 hours | 24 hours from the moment of delivery |
| Non-payment of rent | 14 clear days | Exclude both service day and termination day |
| Substantial breach | 14 clear days | Same counting rule as non-payment |
| Unauthorized occupant (tenant present) | 14 clear days | Served on the occupant, not the tenant |
| Unauthorized occupant (tenant vacated) | 48 hours | 48 hours from delivery |
| Weekly periodic — prescribed reason | 1 full tenancy week | On or before the first day of the tenancy week |
| Monthly periodic — prescribed reason | 3 full tenancy months | On or before the first day of the three-month period |
| Yearly periodic — prescribed reason | 90 days | 90 days before the end of the tenancy year |
| Major renovation / condo conversion | 365 days | 365 calendar days from service |
| Employment-linked housing | Equal to employment notice or 1 week (whichever is longer) | Runs from date of employment termination |
The 14-Clear-Day Rule
This is the most frequently miscounted notice period in Alberta. "14 clear days" means you exclude the day the notice is served and you exclude the effective termination date from the count. All 14 days in between must be full calendar days — weekends and holidays count.
If you serve on October 3, October 3 is excluded. Day 1 is October 4. Day 14 is October 17. The earliest lawful termination date you can put on the notice is October 18. Writing October 17 makes it a 13-clear-day notice, and it's invalid.
The math: date of service + 16 calendar days = earliest possible termination date. That formula accounts for both exclusions.
The 3-Month Prescribed-Reason Period
When a landlord ends a monthly periodic tenancy for a prescribed reason (personal or family occupancy, sale with purchaser occupancy, demolition), the notice must give three full tenancy months. "Full tenancy months" means the notice must be delivered on or before the first day of the three-month period, and the termination date is the last day of the third month.
If the tenancy runs month-to-month starting on the 1st: to terminate on March 31, you must serve the notice on or before January 1. Serving on January 2 pushes the earliest termination to April 30.
If the tenancy starts on the 15th of each month, the rental periods run 15th to 14th. Adjust accordingly — the first day of the tenancy month is the 15th, and three full months are counted from there.
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Fixed-Term Tenancies: No Notice Required
A fixed-term tenancy expires automatically on the end date stated in the lease. Neither the landlord nor the tenant needs to serve a notice of termination. The tenant must vacate by 12:00 noon on the final day.
If the tenant stays past the end date without a new agreement, they become an overholding tenant. If the landlord accepts rent after the fixed term expires, the tenancy converts to a periodic tenancy — and now the landlord needs a prescribed reason and the three-month notice to terminate.
Prescribed Reasons for Ending a Periodic Tenancy
A landlord can't end a periodic tenancy just because the lease has been running for a while or because a better tenant is available. The Ministerial Regulation limits no-fault termination to these reasons:
- Landlord or adult relative intends to occupy the unit
- Purchaser or purchaser's adult relative intends to occupy (or the property is detached/condo)
- Demolition of the building
- Major renovations requiring vacant possession
- Conversion to condo, co-op, or commercial use
- Educational institution housing (student no longer enrolled)
- Employment-linked housing (employment ended)
Each reason has its own notice period (see the table above) and the landlord must act in good faith — the stated reason must be genuine and actually carried out after the tenant vacates.
Common Counting Mistakes
Three errors that invalidate Alberta termination notices more than any other:
Counting from the wrong start date. If you email the notice on Tuesday evening but the tenant doesn't open it until Wednesday, the service date depends on whether the tenant consented in writing to electronic service and whether the method generates a printable copy. Ambiguous service dates lead to ambiguous clear-day counts.
Using regular days instead of clear days. A landlord who counts 14 days inclusive (instead of exclusive of both ends) gives 12 clear days. That's an invalid notice.
Miscounting tenancy months. The three-month period runs by tenancy months, not calendar months. If the rental period starts on the 15th, the months don't line up with January 1–31. A notice served on December 16 for a tenancy that runs 15th-to-14th gives only two full tenancy months plus one day — not three.
Our Ending a Tenancy in Alberta guide includes a notice date calculator that handles the clear-day count and tenancy-month alignment for every termination ground.
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