Keg Mansion
Keg Mansion is a historic Toronto house that has operated as a location of The Keg restaurant chain since 1976.
Last updated August 26, 2026
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Overview
Keg Mansion is a historic house on Jarvis Street in Toronto, Ontario, now operated as a restaurant location by The Keg steakhouse chain. The building was originally known as Euclid Hall and was constructed in 1868 for Arthur McMaster, a member of the McMaster family. McMaster was the nephew of William McMaster, a prominent Canadian senator, banker, and businessman. When built, the house stood in an affluent part of Toronto characterized by large residences, gardens, carriage facilities, and substantial private estates. The property became associated with the Massey family after Hart Massey and his wife purchased it in 1882. The Masseys renovated the residence, adding features including a turret, verandah, and greenhouse while retaining much of the original Gothic exterior. During its residential period, the house contained twenty-six rooms and seventeen fireplaces, with a stable and a large brick carriage house at the rear. The surrounding district gradually became more urban and commercial, reducing its suitability as a private estate. The Massey family subsequently left the property. In 1915, the building was bequeathed to Victoria College, a federated college of the University of Toronto. Its later institutional uses included serving as the first home of Toronto radio station CFRB during the 1920s. The property also housed an art gallery for several decades, reportedly remaining in that use until 1960. After this period, it was acquired by Jules Fine and operated as a restaurant called Julie's Mansion, while the upper floor accommodated the Bombay Bicycle Club. Following Fine's stroke, portions of the grounds were sold. The greenhouses were demolished and replaced by a service station. The building became a The Keg restaurant in 1976 and was subsequently identified as Keg Mansion. Its current identity therefore combines adaptive reuse of a nineteenth-century Toronto residence with the dining and hospitality operation of The Keg. The interior has undergone substantial changes since the house served as a private dwelling, although the historic architectural setting remains central to the restaurant's character. The site is notable both as a surviving historic structure and as a distinctive location within The Keg restaurant network. In September 2015, nearly two dozen animal-rights activists and vegans gathered outside the restaurant to protest the use of animal products and alleged animal cruelty associated with the restaurant's business. The event was a protest directed at the venue and the restaurant chain rather than a documented legal finding against the property. No separate corporate ownership, public listing, or official website for Keg Mansion is identified in the supplied reference material.
History
Keg Mansion is a historic Toronto residence that later became a restaurant location for The Keg chain. The structure was originally called Euclid Hall and was built in 1868 for Arthur McMaster, the nephew of Canadian senator and banker William McMaster. It was erected on Jarvis Street, then one of Toronto's wealthiest residential areas, where large homes were set behind gardens and carriage facilities. Hart Massey and his wife acquired the house in 1882 after returning to Toronto from Cleveland. The Masseys made significant additions, including a turret, verandah, and greenhouse, but did not substantially change the building's Gothic exterior. The residence contained twenty-six rooms and seventeen fireplaces, as well as a stable and a large brick carriage house. Members of the broader Massey family established other homes nearby, reinforcing the property's connection with one of Toronto's prominent families. As Toronto expanded and commercial activity spread into the surrounding area, the property became less suitable as a private family estate. In 1915, the Massey family bequeathed the building to Victoria College, a federated college of the University of Toronto. During the 1920s, the house served as the first home of Toronto radio station CFRB. It later accommodated an art gallery for several decades, reportedly until 1960. The building subsequently passed to Jules Fine and became a restaurant known as Julie's Mansion. The Bombay Bicycle Club operated on the top floor during this phase. After Fine suffered a stroke, parts of the grounds were sold. The greenhouses were demolished and replaced by a service station, altering the property's original estate setting. In 1976, The Keg restaurant chain adapted the building for restaurant use, after which it became known as Keg Mansion. The restaurant-era interior differs considerably from the original residential layout because of alterations made over time, but the historic exterior and setting continue to distinguish the location. Keg Mansion is therefore best understood as a heritage building whose present public identity is tied to adaptive reuse as a branded restaurant venue rather than as a standalone consumer-goods brand. The property also attracted public protest in September 2015, when nearly two dozen animal-rights activists and vegans gathered outside to object to animal cruelty concerns associated with the restaurant's use of animal products. The supplied reference does not identify a court case, regulatory penalty, or formal finding of wrongdoing arising from the protest.
- 2015
Animal-rights protest
[1]Nearly two dozen animal-rights activists and vegans demonstrated at the restaurant over animal-cruelty concerns.
- 1976
The Keg opens a restaurant at the property
[1]The building was repurposed as a location of The Keg restaurant chain and became known as Keg Mansion.
- 1920
CFRB uses the house as its first home
[1]The building served as the first home of Toronto radio station CFRB during the 1920s.
- 1915
Property is bequeathed to Victoria College
[1]The Massey family left the building to Victoria College, a federated college of the University of Toronto.
- 1882
The Massey family acquires the house
[1]Hart Massey and his wife purchased the property and expanded it with a turret, verandah, and greenhouse.
- 1868
Euclid Hall is built
[1]Arthur McMaster commissioned the construction of the residence later known as Keg Mansion.
Products and positioning
A heritage restaurant venue that uses a grand nineteenth-century Toronto house as part of The Keg's dining experience.
Restaurant location · 1976
Keg Mansion restaurant
The principal present-day offering associated with Keg Mansion is a full-service restaurant operated as part of The Keg chain. Its differentiation comes primarily from the historic setting: a nineteenth-century Toronto manor adapted for hospitality use. The building's residential history, Gothic exterior, former rooms, fireplaces, and association with the Massey family contribute to the venue's atmosphere, although the interior has been substantially altered since its original use as a private home.
Brand decisions
1976
Adaptive reuse as a Keg restaurantStrategyBackground
After earlier residential, institutional, broadcasting, gallery, and restaurant uses, the historic house was selected for continued hospitality use.
Action taken
The Keg repurposed the building as a restaurant location and established the Keg Mansion identity.
Aftermath
The property continued operating as a distinctive Toronto location within The Keg restaurant chain.
Sources1 sources
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