Castagna, a bistro serving American, French, and Italian fare, suffered minor fire damage on Saturday. Via their Facebook page, they write:

Due to a fire [on Saturday], Castagna is closed for business until further notice. We will be working to repair the damage and hope to reopen as soon as possible. Please stay tuned to our Facebook page and website at www.castagnasf.com for updates on our reopening date. We are terribly sorry for this inconvenience.

[Grub]