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Faculty of Community Services

Eileen P. K. Costello




Eileen Costello is a member of Aird & Berlis LLP's Municipal & Land Use Planning Group. Costello articled with the firm, became an associate in 2002 and a partner in 2006.

She practises exclusively in the area of municipal and land use planning law, including acquiring development approvals for a broad range of clients and advising municipalities on all aspects of the statutory and regulatory scheme which governs land development and regulation in the province. She also undertakes prosecutions for municipalities in respect of zoning, property standards and building standards enforcement. Costello appears regularly before municipal authorities and administrative tribunals, most notably the Ontario Municipal Board and the Conservation Review Board. She also appears before the Superior Court of Justice and the Divisional Court in respect of leave motions and appeals from the Ontario Municipal Board, decisions of chief building officials, and by-law interpretation matters.

Costello is the author of The Ontario Heritage Act and Commentary and has a growing specialization with respect to heritage matters, including advising private property owners and municipal governments with respect to their obligations and opportunities under the act.

Selected Publications:

  • Ontario Heritage Act & Commentary," published by LexisNexis, February 2010.
  • "Amendments to the Ontario Heritage Act,” TechTalk, Ontario Legislative Update, Fall 2005.
  • "The New Ontario Heritage Act," Digest of Municipal and Planning Law, Issue 6 (2d), June 2005.
  • Co-author with Robert G. Doumani, "Some Legal Issues Concerning Affordable Housing as a Municipal Capital Facility."
  • Co-author with N. Jane Pepino, "Conversion, Demolition & Substantial Renovation of Rental Units - A Review of Official Plan Policies, Critical Caselaw and Current and Emerging Policy Considerations," December 2003.

Professional Affiliations:

  • Canadian Association of Heritage Professionals
  • The Advocates' Society
  • Canadian/Ontario Bar Association (Municipal Law Section and Administrative Law Section)
  • Community Heritage Ontario
  • Irish Canadian Chamber of Commerce Urban Land Institute (ULI)
  • Heritage Toronto

Position Currently Held:

Contract Lecturer

Awards and honours