Complex sentence: Home construction was at its peak from 1961 until 1980, though the "College Park" name wasn't applied until the late 1960s; as late as 1965 the community was being promoted by homebuilders under the name East Greystone (after adjacent Greystone Heights).
Split into simpler sentences: Home construction was at its peak from 1961 until 1980, though the "College Park" name wasn't applied until the late 1960s. As late as 1965 the community was being promoted by homebuilders under the name East Greystone (after the adjacent Greystone Heights).