Police who walk the beat in some of San Francisco’s most visible crime hot spots have a new downtown office in the midst of troubled Market Street.

The Mid-Market Foot Beat Office, which San Francisco Mayor London Breed and Police Chief Bill Scott unveiled in a morning news conference Tuesday, is located on the ground floor of the Proper Hotel at 1100 Market St. between the La Bande coffee shop and the Villon restaurant.

The small triangular office has its own entrance and will be open 7 a.m. to 8 p.m. daily for people to file reports or meet with officers. The office doesn’t have jail cells, so police aren’t calling it a station or substation.

Officers who walk their beats in the mid-Market neighborhood and the Tenderloin, Central, Southern and Northern districts — as well as Municipal Transportation Agency officers — are expected to use the new outpost as a mustering spot, as well those on patrol bikes.

Scott said the office will better integrate the department’s various divisions into the area.

“This is another way for us to connect with the community,” he said. “We will have another presence here.”

The new office, which follows the shuttering of the Sixth Street substation, sits not only at the intersection of a number of foot patrols, but also in a neighborhood the city has struggled for decades to improve. Neighbors of the office include tech giants Uber and Twitter, as well as new residential developments, but it’s not uncommon to see people selling and injecting drugs, or defecating on the streets.

“It’s kind of a ground zero,” said Sgt. Dan Kelly, who spends his shifts walking Market Street between United Nations Plaza and Hallidie Plaza. “It’s at the intersection of lots of problem areas. Instead of struggling to come in from outside, we’re plunking ourselves down right there. People who want to cause trouble, who want to stay, are going to have to deal with us being there.”

During a visit to the office Tuesday, Breed said she hoped the increased visibility of the police will deter crime or at least increase the perception of safety.

“We’re hoping this will make a big difference,” Breed said.

The mayor said she’s eager to change the gritty neighborhood’s current reality, while allowing it to remain a place where people can meet friends, shop or hang out.

“But when they cross the line and commit a crime, we have to do something about it,” Breed said. “I’m beyond frustrated with open-air drug deals, people shooting up openly. Those things are a challenge. We deserve better.”

Michael Cabanatuan is a San Francisco Chronicle staff writer. Email: mcabanatuan@sfchronicle.com Twitter: @ctuan