▁legisl ation ▁Category : Un ited ▁States ▁federal ▁priv acy ▁legisl ation <0x0A> </s> ▁Al add in ▁City ▁is ▁an ▁un in cor por ated ▁community ▁in ▁Miami - D ade ▁County , ▁Florida , ▁United ▁States . ▁ ▁It ▁is ▁located ▁about ▁ ▁south west ▁of ▁Miami ▁within ▁the ▁un in cor por ated ▁community ▁of ▁Red land . ▁It ▁is ▁notable ▁as ▁the ▁site ▁of ▁a ▁planned ▁community — similar ▁to ▁O pa - lock a , ▁Cor al ▁G ables , ▁and ▁Miami ▁Spr ings , ▁Florida — wh ose ▁development ▁was ▁sn uff ed ▁out ▁by ▁the ▁ab rupt ▁end ▁of ▁the ▁Florida ▁land ▁bo om ▁of ▁the ▁ 1 9 2 0 s . ▁ ▁History ▁ ▁Development ▁ ▁In ▁late ▁ 1 9 2 5 , ▁The ▁Al add in ▁Company ▁of ▁Bay ▁City , ▁Michigan , ▁a ▁pione er ▁in ▁the ▁manufact ure ▁of ▁mail - order ▁" kit " ▁homes , ▁purchased ▁a ▁large ▁par cel ▁of ▁land ▁in ▁the ▁Red land ▁area . ▁Otto ▁and ▁William ▁S over eign , ▁the ▁found ers ▁of ▁the ▁company , ▁began ▁to ▁build ▁a ▁Mo or ish - th emed ▁city ▁made ▁up ▁primarily ▁of ▁buildings ▁featured ▁in ▁their ▁ 1 9 2 0 ▁industrial ▁catalog . ▁It ▁was ▁planned ▁to ▁have ▁a ▁population ▁of ▁ 1 0 , 0 0 0 . ▁ ▁After ▁forming ▁the ▁Al add in ▁City ▁Sales ▁Co . ▁in ▁December ▁ 1 9 2 5 , ▁the ▁S over eign ▁brothers