Costco Appears Set for Milton's Northwest Border as Halton Hills Approves Major Retail Complex

Milton-area shoppers may soon have a Costco much closer to home. Halton Hills Council has approved a large retail complex on the northwest edge of Milton, and remarks made at the council meeting pointed strongly to a Costco Wholesale store as the anchor tenant.

What Happened

According to MiltonToday.ca and FM101 Milton Now, Halton Hills Council voted on Monday, June 22, 2026, to allow a major retail development to move forward at the northwest corner of Regional Road 25 and 5 Sideroad, directly along Milton's border. While the developer has not formally confirmed the tenant, comments made during the meeting strongly indicated the anchor would be a new Costco location.

The application was brought forward by the Rice Group, whose chief executive asked council to ratify the approval at the meeting to help the project meet a tight construction schedule. Reports indicate site preparation for the warehouse and gas bar needs to begin roughly a year ahead of the main building.

Key Details

• Location: northwest corner of Regional Road 25 and 5 Sideroad, on the Milton/Halton Hills border.

• Approval date: Monday, June 22, 2026, by Halton Hills Council.

• The large-format retail building is reported at about 15,528 square metres (roughly 167,140 square feet).

• Construction could begin as early as July, with a target opening around October or November 2027.

• Developer: the Rice Group.

• The wider retail complex is projected to create several hundred jobs in the area.

Community Impact

A warehouse retailer on Milton's doorstep would give local families another major shopping option without driving to existing big-box locations in neighbouring cities. The project is also expected to bring construction activity and new jobs to the area, though residents near the site may want to follow updates on traffic and road work as the development proceeds.

Background

The site sits in Halton Hills but borders Milton's northwest growth area. The tenant has not been officially named by the developer, so the Costco connection remains based on statements made during the council process rather than a formal announcement from the retailer.

Source: MiltonToday.ca and FM101 Milton Now — https://www.miltontoday.ca/local-news/costco-is-coming-massive-retail-complex-approved-for-northwest-border-of-milton-12458286

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