An affiliate of The Copley Group has purchased a 16-unit apartment portfolio comprised of 24 Joy St. and 88 West Cedar St. in Boston’s Beacon Hill neighborhood.

The sales price was not disclosed.

Beacon Hill Apts. LLC, a private partnership led by Luzern Associates LLC, sold the portfolio. CBRE/New England’s Simon Butler, executive vice president/partner and Biria St. John, executive vice president/partner, represented the seller and procured the buyer.

"We are pleased to have facilitated this transaction on behalf of the seller," Butler said in a statement.

The Beacon Hill Portfolio includes two four-story apartment buildings totaling 16 units.

The buildings were originally built in the late 1800s and have undergone extensive unit renovations and common area upgrades. The unit mix is comprised of six studio apartments, three one-bedroom apartments, six two-bedroom apartments and one ground floor commercial suite.

88 West Cedar St. is located steps away from Mass General Hospital and Charles

Street; 24 Joy St., located near the top of the hill, offers views of the State House and is within

walking distance to the Financial District.