RARITAN TWP., NJ – It’s probably one of the most-asked questions in Hunterdon: Will the Costco here ever open?

It’s a valid question. Planned for a 25-acre site opposite Hunterdon Central High School on Foran Boulevard, the site is the former home of Yale Materials Handling and has been studied extensively for soil and groundwater contamination. The state Department of Environmental Protection lists it as an active site, which means it remains in the state’s site remediation program.

The township Planning Board approved the 150,000 square-foot store in 2013, and construction on the site has often appeared as an on-again, off-again affair. Projected opening dates have come and passed.

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But Raritan Township Committeeman Michael Mangin said the store remains on track. A pre-construction meeting between the company’s contractors and township officials is scheduled for today, and construction on the store is expected to begin soon. With a five-month timeline to complete the project, the store could be open by September, he said.

Construction of the Costco gasoline station, which the Planning Board also approved for the site, might take a little longer, according to Mangin.