There are reliable hints today that Casa de Mateo, a mariachi-and-fajita fixture on the Old Montreal scene for over two decades, has closed for good. Both the phone number and website for the veteran auberge and Mexican restaurant, which just expanded to Monkland Village, are down. Moreover, a spokesperson for Casa de Mateo's landlord in both Old Montreal and NDG reports today that the owner plans to take retirement, and has indeed shut down the two restaurants. One Chowhound member's dinner plan has been adversely affected by the news. Eater has been unable to confirm the closure with Casa de Mateo's management so far.
Update, November 30, 2015: A former Casa de Mateo employee has taken to Google reviews to write: “I worked here for ten months, most of the employees didn't get paid for the last four weeks, and others for the last two weeks. The restaurant was shut down Monday November 15 without notice from the owner Mateo Madani. He's been missing from weeks ago. And from what I know he ows [sic] money to providers and to channel.”