[6] When first constructed, it had a horse hospital with a separate entrance and a second-floor lounge for lady exhibitors.

[6] The original glass specified by architect Woolnough for the building was sourced from outside Canada, to the disappointment of the 1931 City Council.

The Art Deco exterior elements of the Horse Palace include a hard-edged angular composition, cubist forms and strong horizontal and vertical planes.

The low relief sculptured friezes of horses located on the exterior of the building are also indicative of the Art Deco style of design.

The east side faces a covered laneway between the Horse Palace and the Coliseum and is plain.

The west side is dominated by a major two-story ornamental entrance, jutting out providing entryways to the northwest and the southwest each with a plaza to the street.

During World War II, the building was used as barracks for soldiers waiting to be posted overseas.

In July 2000, the Mounted Unit of the Toronto Police consolidated its operations into a new facility in the Horse Palace.