kee , ▁Wisconsin : ▁Pl ag ued ▁with ▁steady , ▁ch illy ▁rain , ▁the ▁Mil w au kee ▁build ▁was ▁in ▁danger ▁of ▁falling ▁behind ▁schedule . ▁During ▁a ▁live ▁TV ▁interview , ▁President ▁Carter ▁asked ▁for ▁help ▁from ▁local ▁roof ers , ▁who ▁started ▁showing ▁up ▁in ▁dro ves ▁the ▁following ▁morning . ▁They ▁roof ed ▁all ▁the ▁houses ▁in ▁one ▁day , ▁and ▁the ▁Mil w au kee ▁affili ate ▁received ▁a ▁huge ▁boost ▁in ▁don ations ▁and ▁attention ▁that ▁carried ▁it ▁forward . ▁More ▁than ▁ 1 , 0 0 0 ▁volunte ers ▁finished ▁six ▁homes , ▁and ▁renov ated ▁eight ▁others . ▁The ▁bro ader ▁House - R ais ing ▁Week ▁in ▁ 1 9 8 9 ▁involved ▁the ▁startup , ▁completion , ▁or ▁re hab ▁of ▁ 5 0 0 ▁homes . ▁▁ 1 9 9 0 ▁T iju ana , ▁Mexico , ▁and ▁San ▁Diego , ▁California : ▁By ▁vent uring ▁across ▁the ▁border , ▁the ▁Carter ▁Work ▁Project ▁became ▁international ▁for ▁the ▁first ▁time . ▁Near ly ▁ 2 , 0 0 0 ▁volunte ers ▁lived ▁in ▁a ▁four - acre ▁tent ▁city ▁and ▁divided ▁their ▁time ▁between ▁T iju ana ▁and ▁San ▁Diego ; ▁the ▁construction ▁site ▁in ▁T iju ana ▁lack ed ▁electric ity ▁and ▁running ▁water . ▁President ▁Carter ▁called ▁the ▁build ▁" the ▁most ▁complicated ▁and ▁the ▁most ▁grat ifying " ▁so ▁far . ▁The ▁project ▁raised ▁ 1 0 0 ▁homes ▁in ▁T iju ana ▁and ▁seven ▁in ▁San ▁Diego