Your email has been sent.
400 Third 400 3rd Ave SW 18,736 - 120,291 SF of 5-Star Office Space Available in Calgary, AB T2P 4H2



SUBLEASE HIGHLIGHTS
- +15 connected to Centennial Place, Millennium Tower, and Shell Centre
ALL AVAILABLE SPACES(6)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
Features 15 external offices, 56 workstations, 4 meeting rooms, 2 small kitchens, staff lounge, rolling files area, and servery.
- Sublease space available from current tenant
- Mostly Open Floor Plan Layout
- 15 Private Offices
- 56 Workstations
- Central Air Conditioning
- 4 Meeting Rooms
- Fully Built-Out as Standard Office
- Fits 50 - 160 People
- 4 Conference Rooms
- Space is in Excellent Condition
- Spectacular mountain views
- Rolling Files Area
Features 39 external offices, 23 workstations, 2 meeting rooms, kitchen, copy area, and internal stairs to floors 36, 37, and 38
- Sublease space available from current tenant
- Mostly Open Floor Plan Layout
- 39 Private Offices
- 23 Workstations
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Spectacular mountain views
- Internal Stairs to Floors 36, 37, and 38
- Fully Built-Out as Standard Office
- Fits 51 - 164 People
- 2 Conference Rooms
- Space is in Excellent Condition
- Central Air Conditioning
- 2 Meeting Rooms
Features 30 external offices, 5 internal offices, 18 workstations, 2 large boardrooms, 6 meeting rooms, kitchen, copy area, and internal stairs to floors 35, 37, and 38
- Sublease space available from current tenant
- Mostly Open Floor Plan Layout
- 35 Private Offices
- 18 Workstations
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Spectacular mountain views
- Copy Area
- Fully Built-Out as Standard Office
- Fits 51 - 164 People
- 8 Conference Rooms
- Space is in Excellent Condition
- Central Air Conditioning
- 6 Meeting Rooms
Features 24 external offices, 15 workstations, large boardroom, 7 meeting rooms, reception with waiting area, kitchen, copy area, and internal stairs to floors 35, 36, and 38
- Sublease space available from current tenant
- Mostly Open Floor Plan Layout
- 24 Private Offices
- 15 Workstations
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Reception Area
- Large Boardroom
- Fully Built-Out as Standard Office
- Fits 51 - 164 People
- 8 Conference Rooms
- Space is in Excellent Condition
- Central Air Conditioning
- Spectacular mountain views
- Reception With Waiting Area
Features 39 external offices, 26 workstations, 2 meeting rooms, kitchen, copy area, server room, internal stairs to floors 35, 36, and 37, and separate internal stairs to floor 39
- Sublease space available from current tenant
- Mostly Open Floor Plan Layout
- 39 Private Offices
- 26 Workstations
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Spectacular mountain views
- 2 Meeting Rooms
- Fully Built-Out as Standard Office
- Fits 51 - 164 People
- 2 Conference Rooms
- Space is in Excellent Condition
- Central Air Conditioning
- Internal Stairs to Floors 35, 36, and 37
Features 32 external offices, 21 workstations, 4 meeting rooms, kitchen, copy area, 2 rolling file areas, and internal stairs to floor 38
- Sublease space available from current tenant
- Fits 47 - 150 People
- 4 Conference Rooms
- Space is in Excellent Condition
- Central Air Conditioning
- Internal Stairs to Floor 38
- Fully Built-Out as Standard Office
- 32 Private Offices
- 21 Workstations
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Spectacular mountain views
- 2 Rolling File Areas
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 33rd Floor | 19,967 SF | Mar 2027 | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | June 01, 2026 |
| 35th Floor | 20,397 SF | Mar 2027 | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | June 01, 2026 |
| 36th Floor | 20,397 SF | Mar 2027 | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | June 01, 2026 |
| 37th Floor | 20,397 SF | Mar 2027 | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | June 01, 2026 |
| 38th Floor | 20,397 SF | Mar 2027 | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | June 01, 2026 |
| 39th Floor | 18,736 SF | Mar 2027 | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | June 01, 2026 |
33rd Floor
| Size |
| 19,967 SF |
| Term |
| Mar 2027 |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| June 01, 2026 |
35th Floor
| Size |
| 20,397 SF |
| Term |
| Mar 2027 |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| June 01, 2026 |
36th Floor
| Size |
| 20,397 SF |
| Term |
| Mar 2027 |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| June 01, 2026 |
37th Floor
| Size |
| 20,397 SF |
| Term |
| Mar 2027 |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| June 01, 2026 |
38th Floor
| Size |
| 20,397 SF |
| Term |
| Mar 2027 |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| June 01, 2026 |
39th Floor
| Size |
| 18,736 SF |
| Term |
| Mar 2027 |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| June 01, 2026 |
33rd Floor
| Size | 19,967 SF |
| Term | Mar 2027 |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | June 01, 2026 |
Features 15 external offices, 56 workstations, 4 meeting rooms, 2 small kitchens, staff lounge, rolling files area, and servery.
- Sublease space available from current tenant
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 50 - 160 People
- 15 Private Offices
- 4 Conference Rooms
- 56 Workstations
- Space is in Excellent Condition
- Central Air Conditioning
- Spectacular mountain views
- 4 Meeting Rooms
- Rolling Files Area
35th Floor
| Size | 20,397 SF |
| Term | Mar 2027 |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | June 01, 2026 |
Features 39 external offices, 23 workstations, 2 meeting rooms, kitchen, copy area, and internal stairs to floors 36, 37, and 38
- Sublease space available from current tenant
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 51 - 164 People
- 39 Private Offices
- 2 Conference Rooms
- 23 Workstations
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Central Air Conditioning
- Spectacular mountain views
- 2 Meeting Rooms
- Internal Stairs to Floors 36, 37, and 38
36th Floor
| Size | 20,397 SF |
| Term | Mar 2027 |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | June 01, 2026 |
Features 30 external offices, 5 internal offices, 18 workstations, 2 large boardrooms, 6 meeting rooms, kitchen, copy area, and internal stairs to floors 35, 37, and 38
- Sublease space available from current tenant
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 51 - 164 People
- 35 Private Offices
- 8 Conference Rooms
- 18 Workstations
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Central Air Conditioning
- Spectacular mountain views
- 6 Meeting Rooms
- Copy Area
37th Floor
| Size | 20,397 SF |
| Term | Mar 2027 |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | June 01, 2026 |
Features 24 external offices, 15 workstations, large boardroom, 7 meeting rooms, reception with waiting area, kitchen, copy area, and internal stairs to floors 35, 36, and 38
- Sublease space available from current tenant
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 51 - 164 People
- 24 Private Offices
- 8 Conference Rooms
- 15 Workstations
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Central Air Conditioning
- Reception Area
- Spectacular mountain views
- Large Boardroom
- Reception With Waiting Area
38th Floor
| Size | 20,397 SF |
| Term | Mar 2027 |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | June 01, 2026 |
Features 39 external offices, 26 workstations, 2 meeting rooms, kitchen, copy area, server room, internal stairs to floors 35, 36, and 37, and separate internal stairs to floor 39
- Sublease space available from current tenant
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 51 - 164 People
- 39 Private Offices
- 2 Conference Rooms
- 26 Workstations
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Central Air Conditioning
- Spectacular mountain views
- Internal Stairs to Floors 35, 36, and 37
- 2 Meeting Rooms
39th Floor
| Size | 18,736 SF |
| Term | Mar 2027 |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | June 01, 2026 |
Features 32 external offices, 21 workstations, 4 meeting rooms, kitchen, copy area, 2 rolling file areas, and internal stairs to floor 38
- Sublease space available from current tenant
- Fully Built-Out as Standard Office
- Fits 47 - 150 People
- 32 Private Offices
- 4 Conference Rooms
- 21 Workstations
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 100,324 SF of adjacent space
- Central Air Conditioning
- Spectacular mountain views
- Internal Stairs to Floor 38
- 2 Rolling File Areas
PROPERTY OVERVIEW
Amenities include The Commons, a new tenant lounge completed in 2024. Conference centre, 24/7 security, concierge, 7,600 sf fitness centre, group fitness classes, bicycle parking, and end-of-trip facilities
- Bus Line
- Concierge
- Conferencing Facility
- Food Court
- Signage
- Roof Terrace
- Plus 15
- Air Conditioning
PROPERTY FACTS
SELECT TENANTS
- FLOOR
- TENANT NAME
- INDUSTRY
- Multiple
- ARC Financial Corp
- Finance and Insurance
- Multiple
- Caltex Trilogy
- Utilities
- Multiple
- Canadian Natural
- Mining, Quarrying, and Oil and Gas Extraction
- Multiple
- Cardinal Energy Ltd.
- Mining, Quarrying, and Oil and Gas Extraction
- Multiple
- Ember Resources
- Mining, Quarrying, and Oil and Gas Extraction
- Multiple
- Integrated Sustainability
- Professional, Scientific, and Technical Services
- Multiple
- Norton Rose Fulbright
- Professional, Scientific, and Technical Services
- 17th
- Trafigura
- Finance and Insurance
- 18th
- Transalta
- Utilities
- 46th
- TriWest Capital Partners
- Finance and Insurance
Presented by
400 Third | 400 3rd Ave SW
Hmm, there seems to have been an error sending your message. Please try again.
Thanks! Your message was sent.

