Source : Webster's Revised Unabridged Dictionary (1913)

Jerry-builder \Jer"ry-build`er\, n. [Prob. fr. the proper name
   Jerry, familiar form of Jeremiah.]
   A professional builder who erects cheap dwellings of poor
   materials and unsubstantial and slovenly construction.

Source : WordNet®

jerry-builder
     n : someone who builds cheap buildings out of poor materials on
         speculation for a quick profit