Mechlin's Corner Tavern, also known as Peter Mechling's Corner Tavern, is a historic building located at the intersection of County Route 625 (Mechlin Corner Road) and County Route 579 (Bloomsbury Road) in the Mechlings Corner, New Jersey section of Union Township, Hunterdon County, New Jersey and near Pittstown.

It was added to the National Register of Historic Places on November 1, 1974, for its significance in architecture and commerce.

[3] There was a tavern at this site, then owned by Jonathan Robeson, in 1752 or earlier.

He retired in 1844 and sold the tavern to his son William Mechling.

The main part of the tavern is a two and one-half story frame building with a gable roof.