For all the talk about a manufacturing revival in Philadelphia, small factory sites are still giving way to housing in trendy ex-industrial districts like Northern Liberties.

Frost Development Co., Blue Bell, has agreed to pay $1.58 million to owner JCB Properties Inc. for 413 Green St., the 9,300 sq. ft. former location of Spot Wire Works Co. and, long before, a bakery site. Plans call for knocking over the pale-brick two-story building "to make way for a new residential develoment," pre-approved by the city zoning board for modern rowhome construction, reports Michael Barmash, broker at Colliers International, who represented the seller. Precision Group represented Frost.

A proopsal for the site by KJO Architecture includes four homes on Green St. and up to six around back on Wallace St.

The site, home to a bakery and later a wireworks over its long industrial history,