The Valley Halla House was constructed in 1936 by Dr. Jackson and is located in the Rouge Valley on lands owned by the Toronto and Region Conservation Authority (TRCA). The building has been designated as being of architectural value or interest by the former Borough of Scarborough. The property is managed and maintained by the Toronto Zoo as a result of the 1978 tripartite agreement between the Municipality of Metropolitan Toronto, the Board of Management of the Metropolitan Toronto Zoo and the TRCA. While the maintenance of such a facility does not relate directly to the Zoo’s mission, the Board recognized and accepted that Valley Halla must be kept in a state of good repair. The Valley Halla House has been rented on a short term basis and used by various film makers for movie scenes and for hosting Zoo functions. It was also rented to the Rouge Park Alliance for use as office space between 1996 and 1998. The remote location and access to this former residence in the valley seems to limit interest in the building to philanthropic individuals and organizations. A Request for Proposal in 1998, regarding proposed use of the facility, attracted one response related to using the house as a fine dining establishment. The building undergoes an annual maintenance that cost $50,000 to $75,000. The maintenance consists of utilities, custodial, security, grounds-keeping, etc.