Bad news for fans of Katz Bagels: after 27 years, it's closing its doors in the Mission. The neighborhood fixture at 3147 16th St. (between Guerrero and Valencia) will shutter a little more than a month from now, on March 24.

Mission Local was first to report on a closure notice posted in the bagel shop's windows. The notice doesn't specify a reason for the closure, but calls recent times for the shop "challenging" and "complicated."

The note is likely written by owner Michael Katz, whose father, Burt, founded the bagel shop. In it, he thanks his father "his amazing portraits that adorned these walls for so many years," and his mother for "listening to me during these recent complicated times."

A Hoodline reporter stopped by on Monday to speak to Katz, but the shop was closed. 

Katz's note is tinged with a bit of nostalgia, noting that San Francisco in the 1990s was "a great place for small business ... we were really lucky to be here."

Recent years have been tougher on the business, which made an unsuccessful foray into serving pizza in the mid-2000s. Two sister locations in the Financial District (606 Mission St.) and the Lower Haight (663 Haight St.) are no longer in operation.

Last year, the Mission location of Katz briefly shuttered after a Health Department inspection found a severe rat infestation.

But despite these setbacks, "we can only be grateful for all the support we have received through the years," the note concludes, thanking customers, neighbors and employees for their contributions.