186-188 Dartmouth St. is a two-unit Victorian building near the University of Southern Maine.

A common area at 188 Dartmouth St. Portland officials have been putting pressure on the landlord, Gregory Nisbet, to address code violations since December.

Jibril Koshin, left, and Noor Hussein Ibrahim stand outside 188 Dartmouth St. on Thursday. Both tenants said conditions on their side of the building have deteriorated, and people who don't legally have a right to occupy the property have been spending evenings there.

The front door of 188 Dartmouth Street has a damaged lock. A tenant of the adjoining building says, “I feel unsafe here every day."

The stairwell of 188 Dartmouth St. in Portland. Tenants who are under a court-ordered deadline to leave say squatters have taken over.

A damaged wall in a stairwell at 188 Dartmouth St. Living conditions appear to have deteriorated in the two months since tenants complained about them.

Trash is piled outside a window at 188 Dartmouth St. in Portland on Thursday. The city gave the landlord until Monday to address code violations, but the property failed a follow-up inspection.

Jibril Koshin sits in his bedroom at 188 Dartmouth St. in Portland on Thursday. He said conditions at the apartment led him to sleep outside Wednesday night, and he recently found another place to live.

A staircase at 188 Dartmouth St. is littered with debris and cigarette butts Thursday.

Socks hang on an oven being used as a heater at 188 Dartmouth St. in Portland.