An office building that formerly served as New Balance Athletics Inc.'s headquarters in Boston and a neighboring warehouse building are up for sale with an expected price of more than $100 million, the Boston Business Journal reported.

The 228,911 square-foot office building at 20 Guest St. is currently occupied by seven tenants, including Harvard Business Publishing. The 15 Guest St. warehouse property spanning 115,551 square feet houses Newbury Comics, Verizon and New Balance subsidiary NB Fitness, according to the report.

HFF, the listing agent for the properties, did not immediately respond to a request for comment, the publication added.