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BROOKLINE, MA-A block of apartments owned by the same entity fora half-century has changed hands here, as the Hamilton Co. paid$18.1 million for 53-63 Parkman St. and 110 Babcock St. The saleequates to more than $300,000 per unit for the 60 apartmentsacquired by Hamilton, a Boston-based residential powerhousecontrolled by developer Harold Brown.

The two apartment buildings are just outside Brookline'sCoolidge Corner, one of the town's major commercial districts.Besides close proximity to Boston University, the properties arewithin a short walk of two major subway lines into downtown Boston,itself barely a mile to the east. According to broker Robert Titoof NAI Hunneman Commercial Co., the prime location helped result inper-unit prices near record levels for the community. The figure isespecially impressive given the age of the units, which date to the1950s, notes Tito.