▁and ▁history ▁The ▁J op lin ▁House ▁is ▁located ▁west ▁of ▁dow nt own ▁St . ▁Louis , ▁near ▁the ▁sout heast ▁corner ▁of ▁Del mar ▁Bou lev ard ▁and ▁North ▁Be aum ont ▁Street . ▁ ▁It ▁is ▁a ▁two - story ▁T - sh aped ▁brick ▁house , ▁with ▁a ▁g abled ▁roof ▁that ▁has ▁side ▁par ap et ▁walls ▁with ▁engaged ▁chim ne ys . ▁ ▁The ▁front ▁fac ade ▁is ▁six ▁b ays ▁wide , ▁and ▁symmet r ically ▁arranged , ▁with ▁ent ran ces ▁re cess ed ▁in ▁arch ed ▁open ings ▁in ▁the ▁center ▁two ▁b ays . ▁ ▁The ▁ground ▁floor ▁windows ▁are ▁set ▁in ▁round - arch ▁open ings , ▁while ▁those ▁on ▁the ▁second ▁floor ▁are ▁set ▁in ▁segment ed - arch ▁open ings . ▁ ▁An ▁ell ▁extends ▁to ▁the ▁rear , ▁and ▁another ▁to ▁the ▁right ▁side . ▁ ▁The ▁small ▁par cel ▁on ▁which ▁the ▁house ▁stands ▁has ▁a ▁small ▁grass y ▁area , ▁and ▁is ▁front ed ▁by ▁a ▁gran ite ▁cur b ▁and ▁iron ▁f ence . ▁ ▁The ▁exact ▁construction ▁date ▁of ▁the ▁house ▁is ▁not ▁known . ▁ ▁Based ▁on ▁its ▁style , ▁it ▁is ▁estimated ▁to ▁have ▁been ▁built ▁around ▁ 1 8 6 0 , ▁and ▁is ▁known ▁to ▁have ▁been ▁standing ▁in ▁ 1 8 7 4 . ▁ ▁It ▁is ▁a ▁typical ▁ten ant ▁ro wh ouse ▁built ▁in ▁the ▁city ▁during ▁this ▁period . ▁ ▁It ▁is ▁significant ▁as ▁the ▁only ▁known