How many sq. ft. does 2121 Newcastle Avenue, Cardiff by the Sea, CA 92007 have & what is the price per sq. ft? This Office Building (SCILSO) located at 2121 Newcastle Avenue, Cardiff by the Sea, CA 92007 has a total of 14,976 square feet and a current price per square foot of $781.. C. 12.5 Acres of Land. £575,000 Guide Price. Secluded 4 Bed Country Property with Private Single & Double Bank Fishing Rights on the renowned Teifi and Clettwr Salmon & Trout Rivers, including the Clettwr Pool. River Teifi: 350 yards single bank. River Clettwr: total 686 yards double bank. "/>Land for sale cardiff