▁Market ▁is ▁the ▁name ▁of ▁the ▁oldest ▁existing ▁public ▁market ▁building ▁in ▁the ▁city ▁of ▁Baltimore , ▁Maryland . ▁It ▁is ▁a ▁contrib uting ▁property ▁to ▁the ▁Union ▁Square - H oll ins ▁Market ▁Historic ▁District . ▁ ▁The ▁market , ▁located ▁at ▁ 2 6 ▁South ▁Ar ling ton ▁A ve ▁just ▁west ▁of ▁dow nt own ▁Baltimore , ▁runs ▁the ▁length ▁of ▁the ▁ 1 1 0 0 ▁block ▁of ▁H oll ins ▁St ▁between ▁South ▁Ar ling ton ▁and ▁South ▁Car roll ton ▁Aven ues . ▁In ▁ 1 8 2 9 ▁the ▁city ▁granted ▁the ▁pet ition ▁of ▁a ▁piano ▁manufact urer ▁named ▁Joseph ▁New man ▁ ▁and ▁his ▁brother ▁E lias ▁New man , ▁who ▁together ▁in ▁ 1 8 4 2 ▁founded ▁New man ▁& ▁B ros ., ▁( of ▁whose ▁pian os ▁two ▁are ▁in ▁the ▁invent ory ▁of ▁the ▁Smith son ian ), ▁to ▁ere ct ▁a ▁ ▁market ▁house ▁at ▁their ▁own ▁exp ense ▁ ▁on ▁land ▁don ated ▁by ▁bank er ▁George ▁B . ▁Dun bar . ▁That ▁structure ▁ble w ▁down ▁in ▁a ▁wind st orm ▁in ▁ 1 8 3 8 ; ▁the ▁market ▁was ▁re built ▁and ▁opened ▁the ▁following ▁year . ▁The ▁market ▁was ▁expanded ▁in ▁ 1 8 6 4 ▁ ▁through ▁a ▁$ 2 3 , 0 0 0 ▁appropri ation ▁by ▁the ▁city ▁ ▁to ▁construct ▁the ▁Italian ate ▁addition . ▁ ▁The ▁market ▁is ▁▁▁ ▁The ▁H oll ins ▁Market ▁building ▁is ▁at ▁the ▁center