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Phone numbers

514 340-6000
Emergency: 911 or 514 340-6611

Mailing address

3000 Côte-Sainte-Catherine Road 
Montréal (Quebec) Canada 
H3T 2A7 

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Côte-Sainte-Catherine building 

3000 Côte-Sainte-Catherine Road 
Montréal (Quebec) Canada 
H3T 2A7

Opening hours 

Monday to Thursday: 7 a.m. to 11:30 p.m. 
Friday, Saturday and Sunday: 7 a.m. to 10:30 p.m.

Library hours
IT Service Centre hours

Major work on Chemin de la Côte-Sainte-Catherine

Area affected: Between Woodbury and de la Brunante avenues (near Liliane-de-Stewart and Marguerite-d'Youville pavilions).

Period: May 2025 to fall 2027

Major impacts:

  • Complete closures of Chemin de la Côte-Sainte-Catherine in both directions. Expect increased delays in accessing the Côte-Sainte-Catherine building by car.
  • Local traffic is kept out of the work zone.
  • Work suspended and traffic restored over winter.

Access to Côte-Sainte-Catherine building parking lot maintained.  

Campus access (by car) :

  • Eastbound: Accessible via Côte-des-Neiges, Decelles, Hudson and Darlington streets (south).
  • Westbound :  
    • Option 1: Detour via avenue du Parc, Davaar, Van Horne, then Darlington/Hudson (south) or avenue Decelles/Côte-des-Neiges (south).
    • Option 2: Via avenue Vincent-d'Indy (south) and boulevard Édouard-Montpetit (west) to avenue Decelles.

Please use public transit to avoid disruptions.

Check regularly for updates from the City of Montreal.

Decelles building

5255 Decelles Avenue 
Montréal (Quebec) Canada 
H3T 2B1

Opening hours

Monday to Friday: 7 a.m. to 10:30 p.m. 
Saturday and Sunday: 7 a.m. to 6:30 p.m.

Hélène-Desmarais building

501 De La Gauchetière Street West 
Montréal, Quebec Canada 
H2Z 1Z5

Opening hours

Monday to Friday: 7 a.m. to 10:30 p.m. 
Saturday and Sunday: 7 a.m. to 6:30 p.m.

Library hours
IT Service Centre hours