Ubon Thai Restaurant Will Open in Canton
New restaurant Ubon will launch at the site of the former Nacho Mama's on O'Donnell Street early next year.
Updated on Sept. 29, 2026 in Openings & Closings
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Owner Montree Wongchalee will open a new Thai restaurant called Ubon at 2907 O'Donnell St. in Baltimore's Canton neighborhood. The space will seat between 60 and 70 people and will replace the former Nacho Mama's location.
Why it matters
The opening brings new dining options to a prominent corner in Canton that was a local staple for decades. It marks a significant transition for the building after the long-standing Nacho Mama's closed its doors.
The new establishment at 2907 O'Donnell St. will feature a dining capacity of 60 to 70 people. This follows the closure of Nacho Mama's, which occupied the space for 31 years.
The players
Montree Wongchalee
Montree Wongchalee is the owner of the new restaurant Ubon.
Nacho Mama's
Nacho Mama's was a long-standing business that operated at the O'Donnell Street location for 31 years.
The details
The upcoming restaurant, Ubon, will specialize in traditional Thai dishes and regional Isan cuisine. Owner Montree Wongchalee intends to cater to the neighborhood's nightlife by implementing a late-night menu.
Timeline
Nacho Mama's closed in early 2025 after a 31-year run.
Ubon is currently scheduled to open in early next year.
Market Landscape
This opening represents a continuation of the Canton neighborhood's commercial turnover as established retail locations are repurposed for new culinary concepts. It shifts the local landscape by replacing a historic casual dining anchor with a new international cuisine offering.
Residents can expect new dining options in Canton as the space transitions from its previous long-term tenant. The addition of a late-night menu specifically impacts local diners looking for after-hours food options in the neighborhood.
The takeaway
The transformation of the former Nacho Mama's site highlights the ongoing evolution of the Canton restaurant scene. Residents should look for updates in early next year to confirm the restaurant's operational hours and menu availability.
Further reading
For more information on the latest food and retail updates in the area, check out the Openings & Closings section.
Source note: This article includes information reported by WBAL.
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