| Store | Storenumber | Storename | Location | Address | City | Opened | Closed | Storetype | Floorarea | Replaced | ReplacedBy | Previous | Next |
|---|
| Costco 506 | 506 | Anjou | | 7373 Rue Bombardier (Anjou, Quebec) | Anjou, Quebec | 18 November 1989 | | | | | | | |
| Costco 546 | 546 | Boisbriand | | 3600 Avenue des Grandes Tourelles (Boisbriand, Quebec) | Boisbriand, Quebec | 21 November 2006 | | | | | | | |
| Costco 532 | 532 | Boucherville | | 635 Chemin de Touraine (Boucherville, Quebec) | Boucherville, Quebec | 17 June 2005 | | | | | | | |
| Costco 521 | 521 | Brossard | | 9430 Boulevard Taschereau (Brossard, Quebec) | Brossard, Quebec | 27 September 1995 | | | | | | | |
| Costco 556 | 556 | Candiac | | 60 Rue Strasbourg (Candiac, Quebec) | Candiac, Quebec | 27 November 2007 | | | | | | | |
| Costco 536 | 536 | Chicoutimi | | 2500 Boulevard Talbot (Chicoutimi, Quebec) | Chicoutimi, Quebec | 28 November 1995 | | | | | | | |
| Costco 1127 | 1127 | Drummondville | | 105 Rue Robert-Bernard (Drummondville, Quebec) | Drummondville, Quebec | 11 December 2012 | | | | | | | |
| Costco 542 | 542 | Gatineau | | 1100 Boulevard Maloney Ouest (Gatineau, Quebec) | Gatineau, Quebec | 14 October 1993 | | | | | | | |
| Costco 505 | 505 | Laval | | 2999 Autoroute Laval 440 Ouest (Laval, Quebec) | Laval, Quebec | 1 November 1989 | | | | | | | |
| Costco 1186 | 1186 | Levis | | 1160 Rue de la Concorde (Levis, Quebec) | Levis, Quebec | 12 March 2015 | | | | | | | |
| Costco 527 | 527 | Marche Central | | 1015 Rue du Marche Central (Montreal, Quebec) | Montreal, Quebec | 2 December 1994 | | | | | | | |
| Costco 515 | 515 | Montreal | | 300 Rue Bridge (Montreal, Quebec) | Montreal, Quebec | 30 September 1992 | | | | | | | |
| Costco 528 | 528 | Pointe Claire | | 5701 Autoroute Transcanadienne (Pointe-Claire, Quebec) | Pointe-Claire, Quebec | 13 September 1994 | | | | | | | |
| Costco 516 | 516 | Sainte-Foy | | 3233 Avenue Watt (Quebec, Quebec) | Quebec, Quebec | 21 October 1992 | | | | | | | |
| Costco 503 | 503 | Quebec | | 440 Rue Bouvier (Quebec, Quebec) | Quebec, Quebec | 27 October 1988 | | | | | | | |
| Costco 1359 | 1359 | Saint-Hubert | | 1000 Boulevard Saint-Bruno (Saint-Bruno, Quebec) | Saint-Bruno, Quebec | 18 November 1987 | | | | | | | |
| Costco Business Centre 801 | 801 | St. Hubert Business Centre | | 5025 Boulevard Cousineau (Saint-Hubert, Quebec) | Saint-Hubert, Quebec | 29 September 2020 | | | | | | | |
| Costco 502 | 502 | St Hubert | | 5025 Boulevard Cousineau (Saint-Hubert, Quebec) | Saint-Hubert, Quebec | | | | | | | | |
| Costco 529 | 529 | St. Jerome | | 1001 Boulevard Jean-Baptiste-Rolland (Saint-Jerome, Quebec) | Saint-Jerome, Quebec | 23 October 1997 | | | | | | | |
| Costco 514 | 514 | Sherbrooke | | 3400 King Ouest (Sherbrooke, Quebec) | Sherbrooke, Quebec | | | | | | | | |
| Costco 1367 | 1367 | Sherbrooke | | 3800 Boulevard de Monseigneur-Fortier (Sherbrooke, Quebec) | Sherbrooke, Quebec | 1 December 1993 | | | | | | | |
| Costco 525 | 525 | Terrebonne | | 870 Montee des Pionniers (Terrebonne, Quebec) | Terrebonne, Quebec | 19 November 2003 | | | | | | | |
| Costco 518 | 518 | Trois Rivieres | | 3000 Des Recollets (Trois-Rivieres Ouest, Quebec) | Trois-Rivieres Ouest, Quebec | 4 November 1992 | | | | | | | |
| Costco 1213 | 1213 | Vaudreuil | | 22400 Chemin Dumberry (Vaudreuil-Dorion, Quebec) | Vaudreuil-Dorion, Quebec | 16 October 2015 | | | | | | | |