A Rancho Bernardo office building known as The Bluffs has been sold for $18 million, according to CoStar Group and public data.

The buyer was Davlyn Investments Inc. of San Diego. The seller was Brandywine Realty Trust of Radnor, Pa.

The 68,708-square-foot building is at 16870 W. Bernardo Drive and was fully leased at the time of sale. It was built in 2002 on 3.38 acres.

The property had 25 tenants at the time of sale, including First Choice Executive Suites, SGS Wireless, USC School of Social Work, and the law firm Atkinson, Andelson, Loya, Ruud & Romo.

— SDBJ Staff Report