Photo courtesy of the HK Group.

A small office building in Westport has sold for $1.64 million.

The 4-story, 5,000-square-foot building at 278 Post Road East sits on a 0.57-acre lot. It was was fully renovated in 2005 and offers four floors of rentable space, plus a full basement, according to HK Group, which represented the seller, Westport 278 Realty Group LLC. The buyer, represented by William Raveis, is a local accounting firm.

Each floor offers an open floor plan allowing for flexible uses. The property is within a short walking distance to downtown Westport shops, restaurants, banks and town amenities.