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Upcoming Tours & Events

Historical Tours at The Knox Mansion

We’re excited to announce that tours of the historic Knox Mansion on Delaware Ave. are available to the public here in Buffalo, free of charge. Our tours will be held on weekends, either Saturday or Sunday, at 10:00 AM. Each tour will last about an hour and a half, and does include utilizing several stairwells. Due to the length of the tour, it is not recommended for children 12 and under.

History of The Knox Mansion:

Construction on the Knox Mansion began in 1915 and was completed three years later at a cost of $600,000, which equates to a cost of about $13.4 million in today’s dollars. Charles Pierrepont Gilbert, prominent architect of many houses on New York City’s Fifth Avenue, designed this French Renaissance-style mansion. The original house included 25 rooms, excluding kitchens, pantries, bathrooms, maintenance quarters, and cloakrooms. Seymour H. Knox’s family first occupied the mansion. Mr. Knox was co-founder of Woolworth and Knox department stores, known as Woolworth’s, and later served as Chairman of the Board of Directors for Marine Midland Bank, which was acquired by HSBC in 1980. Unfortunately, he never had the opportunity to live in his home because he died in 1915 on the eve of construction.

Grace Knox, her son Seymour H. Jr., and daughters Marjorie and Dorothy lived in the mansion after Mr. Knox’s death. Seymour H. Knox, Jr.’s sons, Northrup and Seymour H. III co-owned the NHL’s Buffalo Sabres. The last Knox to occupy the home was Marjorie Knox Klopp, her husband, and two children.

In 1969, The Montefiore Club, a private men’s association, purchased the residence to use as its headquarters. The club added athletic facilities to the rear of the building, including a gymnasium, squash courts, and locker room with shower facilities.

In 1978, CTG (Computer Task Group) purchased the Knox mansion from the Montefiore Club for $1.3 million to serve as its new corporate headquarters. CTG occupied the building until 2021 when it was announced that Ross Cellino of Cellino Law purchased the building to serve as its new corporate headquarters. Cellino Law, one of the largest personal injury firms in New York, has offices in Buffalo, Rochester, Long Island, and Manhattan.

Sources: 2019 Computer Task Group, Inc. and The Buffalo News

Read More About The Knox Mansion

The Knox Mansion Gallery

The Mansion's Exterior In The Winter The Mansion’s Exterior In The Winter
The Mansion's Exterior In The Winter The Mansion’s Exterior In The Winter
The Mansion's Exterior In The Winter The Mansion’s Exterior In The Winter
Mansion Exterior in the Winter Mansion Exterior in the Winter
Mrs. Knox's Garden In The Winter Mrs. Knox’s Garden In The Winter
The Mansion's Exterior In The Winter The Mansion’s Exterior In The Winter
The Mansion's Yard in The Winter The Mansion’s Yard in The Winter
The Mansion In The Winter The Mansion In The Winter
The Front Of The Mansion In The Winter The Front Of The Mansion In The Winter
The Mansion Exterior In The Summer The Mansion Exterior In The Summer
The Mansion Driveway The Mansion Driveway
Mrs. Knox's Garden In The Summer Mrs. Knox’s Garden In The Summer
Mrs. Knox's Garden and Fountain Mrs. Knox’s Garden and Fountain
Mrs. Knox's Garden Mrs. Knox’s Garden
The Mansion's Backyard The Mansion’s Backyard
The Mansion's Exterior In The Summer The Mansion’s Exterior In The Summer
The Main Entrance To The Mansion The Main Entrance To The Mansion
The Main Entrance To The Mansion The Main Entrance To The Mansion
Mrs. Knox's Garden and Veranda Mrs. Knox’s Garden and Veranda
Mrs. Knox's Garden and Yard Mrs. Knox’s Garden and Yard
Mrs. Knox's Garden and Fountain Mrs. Knox’s Garden and Fountain
Mrs. Knox's Yard and Hedges Mrs. Knox’s Yard and Hedges
Cherub Flower Planter in Mrs. Knox's Yard Cherub Flower Planter in Mrs. Knox’s Yard
Patio Furniture In The Veranda Patio Furniture In The Veranda
The Mansion's Veranda The Mansion’s Veranda
Rattan and Iron Patio Furniture Rattan and Iron Patio Furniture
Mrs. Grace Millard Knox in Her Garden Mrs. Grace Millard Knox in Her Garden
Mrs. Grace Millard Knox In Her Garden Mrs. Grace Millard Knox In Her Garden
Mrs. Grace Millard Knox In Her Garden Mrs. Grace Millard Knox In Her Garden
Mrs. Grace Millard Knox In Her Garden Mrs. Grace Millard Knox In Her Garden
Mrs. Grace Millard Knox In Her Garden Mrs. Grace Millard Knox In Her Garden
Mrs. Grace Millard Knox In Her Garden Mrs. Grace Millard Knox In Her Garden
Marble and Iron Main Entrance To The Mansion Marble and Iron Main Entrance To The Mansion
Main Entrance To The Mansion Looking Out Main Entrance To The Mansion Looking Out
Interior and Exterior Doors to The Main Entrance Interior and Exterior Doors to The Main Entrance
The Foyer an Entrance View The Foyer an Entrance View
The Grand Foyer and Staircase The Grand Foyer and Staircase
The Grand Foyer and Staircase The Grand Foyer and Staircase
Marble Staircase and Tapestries Marble Staircase and Tapestries
Furniture In The Foyer Furniture In The Foyer
Foyer Looking Into The Library Foyer Looking Into The Library
A View Into The Elevator A View Into The Elevator
The Mansion Library The Mansion Library
Marble Fireplace In The Library Marble Fireplace In The Library
Furniture In The Library Furniture In The Library
A View Of The Music Room and The Drawing Room A View Of The Music Room and The Drawing Room
The Music Room The Music Room
Piano In The Music Room Piano In The Music Room
Velour Couch In The Music Room Velour Couch In The Music Room
Marble Fireplace In The Music Room Marble Fireplace In The Music Room
Music Room View Into The Dining Room Music Room View Into The Dining Room
Portrait of Mr. Knox In The Drawing Room Portrait of Mr. Knox In The Drawing Room
The Drawing Room The Drawing Room
A View Into The Dining Room A View Into The Dining Room
The Fireplace and Furniture In The Dining Room The Fireplace and Furniture In The Dining Room
A View From The Dining Room A View From The Dining Room
The Dining Room The Dining Room
Hazard Campbell Around The Christmas Tree Hazard Campbell Around The Christmas Tree
Dining Furniture In The Sun Room Dining Furniture In The Sun Room
The Loggia Leading To The Rotunda The Loggia Leading To The Rotunda
The Rotunda The Rotunda
Tiffany Peacock and Fountain In the Rotunda Tiffany Peacock and Fountain In the Rotunda
Furniture In The Rotunda Furniture In The Rotunda
The Rotunda The Rotunda
Mrs. Knox's Dressing Room Mrs. Knox’s Dressing Room
The Master Bedroom's Sitting Room The Master Bedroom’s Sitting Room
A View Of The Master Bedroom's Sitting Room A View Of The Master Bedroom’s Sitting Room
The Master Bedroom The Master Bedroom
The Master Bedroom The Master Bedroom
The Master Bedroom's Dressing Room The Master Bedroom’s Dressing Room
The Girls' Bedroom The Girls’ Bedroom
A View Of The Girls' Bedroom A View Of The Girls’ Bedroom
A View Of The Girls' Bedroom A View Of The Girls’ Bedroom
The Girls' Bedroom The Girls’ Bedroom
The Boys' Bedroom The Boys’ Bedroom
The Mansion's Guest Bedroom The Mansion’s Guest Bedroom
The Upstairs Library The Upstairs Library
The Basement Foyer The Basement Foyer
The Billiard Room The Billiard Room
The Mansion's Ballroom The Mansion’s Ballroom
The Kitchen Pantry The Kitchen Pantry
The Silver Safe The Silver Safe
The Kitchen The Kitchen