Sienna Senior Living headquarters details
- Street address
- 302 Town Centre BLVD suite 300
- City
- Markham
- State / region
- Ontario
- ZIP / postal code
- L3R 0E8
- Country
- Canada
- Phone
- +1 905 477 4006
- Founded
- 1972
- Website
- siennaliving.ca
- Stock
- TSX: SIA
Location map
Open in Google MapsAll Sienna Senior Living office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Markham HQ | Ontario | Canada | Headquarters |
Showing the headquarters of 81 recorded locations. See every location in GraphIQ →
About Sienna Senior Living
Sienna Senior Living (TSX: SIA) is headquartered in Markham, Ontario, Canada. Founded in 1972, the company has 81 recorded locations and employs approximately 15,000 people worldwide.
Where is Sienna Senior Living's main office?
Sienna Senior Living's main headquarters office is located at 302 Town Centre BLVD suite 300, Markham, Ontario L3R 0E8, Canada. This is the company's primary corporate address.
Sienna Senior Living regional offices
Beyond its headquarters in Markham, Sienna Senior Living has recorded locations in Canada.
Sienna Senior Living contact information
The main switchboard for Sienna Senior Living headquarters can be reached at +1 905 477 4006. Official website: siennaliving.ca.
What does Sienna Senior Living do?
Sienna Senior Living Inc. provides long-term care services. The Company offers nursing homes, retirement homes, and independent living facilities. Sienna Senior Living serves senior citizens in the State of Ontario.
Sienna Senior Living competitors & similar companies
Frequently asked questions
Where is Sienna Senior Living headquarters?
Sienna Senior Living's headquarters is located at 302 Town Centre BLVD suite 300, Markham, Ontario L3R 0E8, Canada.
How many offices does Sienna Senior Living have?
GraphIQ records 81 locations for Sienna Senior Living, as of October 2026.
What is Sienna Senior Living's corporate address?
The corporate headquarters address is 302 Town Centre BLVD suite 300, Markham, Ontario L3R 0E8, Canada.
When was Sienna Senior Living founded?
Sienna Senior Living was founded in 1972 and employs approximately 15,000 people.
What is Sienna Senior Living's phone number?
The main phone number for Sienna Senior Living headquarters is +1 905 477 4006.
How many employees does Sienna Senior Living have?
Sienna Senior Living has approximately 15,000 employees (GraphIQ estimate, 2026).
Is Sienna Senior Living a public company?
Yes. Sienna Senior Living is publicly traded on TSX under the ticker SIA.