canamericanguy said "I bet they meant to say 1550B 20th St "
Can't be that either, though there is a 1158 20th Street, which just happens to be a 4-plex.
OP, I would recommend reaching out to the person who posted the ad, they may have typed the address wrong. My guess is that the ad for rent is for a unit at 1158 20th Street.
Edited by PrimeConvoy, 2025-08-05 10:42:06