Mary Flynn-Guglietti has over 30 years experience in the practice of administrative law with an emphasis on municipal law, land use planning law, environmental law and expropriation law. She has extensive experience in obtaining approvals of citywide and site specific official plan amendments, rezonings, subdivision approvals, severances and minor variances. She represents developers, ratepayers and municipalities.
Mary regularly appears before various committees of adjustment, committees of council and numerous municipal councils throughout the province of Ontario with a particular expertise in the Greater Toronto Area. Mary has extensive experience before the Ontario Municipal Board and the Courts of Ontario on appeal. She has appeared before the Provincial Court (Criminal Division), the former District Court, Ontario Court (General Division) and the Divisional Court.
Mary has also authored a number of papers for the Law Society of Upper Canada and the Ontario Bar Association concerning practice and procedure before the Ontario Municipal Board. She has also written extensively on many aspects of environmental, municipal and land use planning law for the Ontario Bar Association, Insight Seminars, Canadian Institute and the Law Society of Upper Canada.
Mary is also a member of McMillan Vantage LP
- Amexon Holdings Inc. – Official Plan and Zoning By-law Amendments for 60-80 Park Lawn Road, Etobicoke (PL050003) – Mixed-use development including two residential towers with 588 dwelling units
- Azuria Group (1212736 Ontario Limited & 1212765 Ontario Limited) – Official Plan and Zoning By-law Amendments for 5555 Dundas Street West and 10 Shorncliffe Road, Etobicoke (PL110757) – Mixed-use development on 9.08 ha (22.43 acres) including commercial retail and office space as well as over 2000 residential condominium units
- River Oaks Investments Inc. – Zoning By-law Amendment for 357-363 King Street West and 62 Peter Street, Toronto (PL110552) – 40-storey mixed-use development containing 242 residential units and at-grade retail
- St. James' Cathedral – Density transfer from St. James' Cathedral to 33-45 Lombard Street and 98-110 Church Street to permit the erection of a retail-residential building (PL031120)
- Amexon Development and Heritage York Holdings Inc.– High Density Mixed Use Residential and Commercial Development on 1200, 1210 & 1200 Sheppard Avenue; for a total of 1793 Residential units, 28,189 square feet retail and 136,000 square feet commercial office.
- Lee Development – Townhouse apartment development approvals for 451 units
- Dunpar Developments Inc. – Zoning By-law Amendment for 4390 Mississauga Road for Mid-rise, 65 townhome developments
Flight Path Issues for Development Applications -or- To Boldly go Where no Provincial Government has Gone Before
What Weight Should Municipally Initiated Guideline Documents Be Given in Land Use Planning Approvals?
Updated - Bill 73: Smart Growth for Our Communities Act, 2015
Bill 73: Smart Growth for Our Communities Act, 2015
The 2014 Provincial Policy Statement & Environmental Protection
Did the City of Toronto Council have the right to strip the Mayor of his powers?
Land Use Compatibility
McMillan LLP Launches National Public Affairs Firm, McMillan Vantage Policy Group
61 McMillan lawyers recognized in The Best Lawyers in Canada 2017
McMillan lawyers well-represented in the 2016 Canadian Legal Lexpert Directory
60 McMillan lawyers recognized in the 10th Edition of The Best Lawyers in Canada
McMillan lawyers are well represented in the 2015 Canadian Legal Lexpert Directory
McMillan lawyers recognized in the 2015 Best Lawyers in Canada
McMillan lawyers are well represented in the 2014 Canadian Legal Lexpert Directory
McMillan in top-10 development law firms by Novae Res Urbis
49 McMillan lawyers recognized in the 2014 Best Lawyers in Canada
Canadian Legal Lexpert Directory 2013 Recognizes 44 McMillan Leading Practitioners
McMillan ranked in the top-10 development law firms by Novae Res Urbis
47 McMillan lawyers recognized in the 2013 Best Lawyers in Canada
Canadian Legal Lexpert Directory 2012 Recognizes 39 McMillan Leading Practitioners
50 McMillan Lawyers recognized in the 2012 Best Lawyers in Canada
Mary L. Flynn-Guglietti discusses the Toronto Community Housing Corporation nominees in The Toronto Star
Canadian Legal Lexpert Directory 2011 recognizes 35 McMillan leading practitioners
- University of Ottawa, LLB - 1981
- University of Toronto, BA - 1978
Year Of Call
- Called to the Ontario bar - 1983
municipal and land use planning law
planning and approvals
commercial real estate
Directorships and Professional Associations
- Member, Law Society of Upper Canada
- Past President of the Municipal Law Section of the Ontario Bar Association
- Past Executive Member of the Municipal Law Section of the Ontario Bar Association
- Member, BILD
- Member, Advocates' Society
- Member, Toronto CREW
- Member, Lambda Alpha, Land Economists, Simcoe Chapter
- Mary is an active member of her community and has served in various capacities with organizations including; President of the C. Dennis Flynn Foundation and Past President of the Etobicoke Centre Progressive Conservative Riding Association. She is also on the Board of the Annual Catholic Missions Gala.
- On May 3, 2011, Toronto Mayor Rob Ford announced his appointment of Mary to the nomination panel to select the citizen members of the Toronto Community Housing Corporation (TCHC) Board.
Awards & Rankings
Mary has, once again, been recognized by the Canadian Legal Lexpert Directory, 2016 as a lawyer "consistently recommended" in the area of property development, this publication is comprised of survey results from leading practitioners in all practice areas. Mary is also listed in The Best Lawyers in Canada, 2017 as a leading lawyer in Real Estate Law, published by Woodward/White, Inc., of Aiken, South Carolina.
McMillan has been repeatedly ranked as one of the top 10 Municipal Law Firms in Toronto and the GTA, according to Novae Res Urbis, a well-read industry publication which reports on Municipal Law issues.
Recipient of the Continuing Professional Development Long Term achievement Award- Law Society of Upper Canada