Mary Flynn Guglietti Photo
Mary Flynn Guglietti Photo
Mary Flynn Guglietti Photo

Mary Flynn-Guglietti is one of Canada’s leading municipal land use planning and property development lawyers with over 30 years’ experience in the practice of administrative law, municipal law, commercial real estate law, environmental law and expropriation law. She acts for developers, ratepayers and municipalities on major construction and infrastructure projects. Mary has extensive experience obtaining approvals of citywide and site-specific official plan amendments, rezonings, subdivision approvals, severances and minor variances. She leads the firm’s Municipal, Land Use Planning & Development Group.

Appearing before various committees of adjustment, committees of council and numerous municipal councils throughout the province of Ontario, Mary has particular expertise in the Greater Toronto Area (GTA). She represents clients before the Ontario Land Tribunal and the courts of Ontario on appeal, and has also appeared before the Court of justice (Criminal Division), the former District Court, the Ontario Superior Court of Justice and the Divisional Court.

Recognized by Best Lawyers in Canada (2021) as a leading lawyer in real estate law and in the 2020 Canadian Legal Lexpert Directory as consistently recommended in the area of property development, Mary writes and speaks extensively on environmental, municipal and land use planning law for the Ontario Bar Association, Insight Seminars, the Canadian Institute and the Law Society of Ontario.

Mary is president of the C. Dennis Flynn Foundation and past president of the Etobicoke Centre Progressive Conservative Riding Association. She serves on the board of the Annual Catholic Missions Gala. Mary is also a member of the national public affairs firm McMillan Vantage Policy Group.



Representative Matters

  • 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

Speaking Engagements

The Seventh Annual Six Minute Municipal Lawyer Continuing Legal Education Program of the Law Society of Upper Canada

May 2010

6th Annual Land & Development Conference 2010 - Toronto

April 2010

5th Annual Land & Development Conference - Toronto

May 2009

The Sixth Annual Six Minute Municipal Lawyer Continuing Legal Education Program of the Law Society of Upper Canada

May 2009

The Fifth Annual Six Minute Municipal Lawyer Continuing Legal Education Program of the Law Society of Upper Canada

March 2008

The New Land Use Planning Regime in Ontario Bill 51 (the Planning and Conservation Land Statute Law Amendment Act, 2006) Joint Ontario Bar Association and the Law Society of Upper Canada program

March 2007

Understanding Ontario's Proposed New Development Rules – Planning and Conservation Land Statute Law Amendment Act, 2005, (Bill 51) Law Society of Upper Canada's 3rd Annual Real Estate Summit

April 2006

4th Annual Six Minute Municipal Lawyer Continuing Legal Education Program of the Law Society of Upper Canada

March 2006
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News


Media Mentions


Rankings & Recognitions

  • Recognized in the 2024 Canadian Legal Lexpert Directory as a Consistently Recommended Lawyer in the area of Property Development
  • Recognized by Best Lawyers in Canada (2024) as a leading lawyer in the area of Real Estate Law
  • Recognized in the 2023 Lexpert Special Edition on Canada’s Leading Infrastructure Lawyers as an Infrastructure Lawyer
  • Recognized in the 2023 Canadian Legal Lexpert Directory as a Repeatedly Recommended Lawyer in the area of Property Development
  • Recognized by Best Lawyers in Canada (2023) as a leading lawyer in the area of Real Estate Law
  • Recognized in the 2022 Canadian Legal Lexpert Directory as a Consistently Recommended Lawyer in the area of Property Development
  • Recognized by Best Lawyers in Canada (2022) as a leading lawyer in the area of Real Estate Law
  • Recognized in the 2021 Lexpert Special Edition on Canada’s Leading Infrastructure Lawyers as a Infrastructure Lawyer
  • Recognized in the 2021 Canadian Legal Lexpert Directory as a Consistently Recommended Lawyer in the area of Property Development
  • Recognized by the Best Lawyers in Canada (2021) as a leading lawyer in the area of Real Estate Law
  • Recognized in the 2020 Canadian Legal Lexpert Directory as a Consistently Recommended lawyer in the area of Property Development
  • Recognized by Best Lawyers in Canada (2020) as a leading lawyer in the area of Real Estate Law
  • Recognized in the 2019 Canadian Legal Lexpert Directory as a Consistently Recommended lawyer in the area of Property Development
  • Mary was recognized by The Best Lawyers in Canada, 2019 as a leading lawyer in the area of Real Estate Law.
  • Recognized in the 2018 Canadian Legal Lexpert Directory as a Repeatedly Recommended lawyer in the area of Property Development
  • Mary is also, once again, listed in The Best Lawyers in Canada, 2018 as a leading lawyer in Real Estate Law, published by Woodward/White, Inc., of Aiken, South Carolina. Mary has been repeatedly recognized by the Canadian Legal Lexpert Directory, 2017 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.
  • 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.

Community Involvement

  • 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.

Directorships & Affiliations

  • Law Society of Ontario
  • BILD
  • The Advocates’ Society
  • Toronto CREW
  • Lambda Alpha, Land Economists, Simcoe Chapter
  • 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

Education & Admissions

1983
Called to the Ontario bar
1981
LLBUniversity of Ottawa
1978
BAUniversity of Toronto

Publications

Insights (28 Posts)View More

Featured Insight

Bill 112: The Hazel McCallion Act, 2023 and Potential Impacts of the Proposed Dissolution of the Peel Region

On May 18, 2023, Ontario passed Bill 112 proposing the dissolution of Peel Region, and similar legislation could impact other regions in the near future.

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May 31, 2023
Featured Insight

Client News Alert: Ontario Introduces Bill 97 and Says Goodbye Growth Plan, Hello New PPS – Bill 97 and the new Proposed Provincial Planning Statement

Further changes have been proposed to Ontario's land use planning regime, which will collapse the Growth Plan and Provincial Policy Statement into one document

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Apr 12, 2023
Featured Insight

News Flash: Generational Shift in Ontario’s Planning Legislation as the More Homes Built Faster Act Receives Royal Assent

As a further update to our earlier bulletins, Bill 23 has now received Royal Assent meaning that much of the More Homes Built Faster Act is in force.

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Nov 29, 2022
Featured Insight

Bill 23: The More Homes Built Faster Act, 2022, and the Proposed Amendments to the Greenbelt Plan and Oak Ridges Moraine Conservation Plan

Ontario's Provincial Government has proposed sweeping amendments to several Acts, Regulations, the Greenbelt Plan and the Oak Ridges Moraine Conservation Plan.

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Nov 16, 2022
Featured Insight

Update re: Adoption & Passing of City of Toronto Inclusionary Zoning Policy

An overview of the most recent updates to the Adoption & Passing of City of Toronto Inclusionary Zoning Policy

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Dec 21, 2021
Featured Insight

City of Toronto’s Current Municipal Comprehensive Review Process

An overview of the City of Toronto's current Municipal Comprehensive Review Process; Request for Employment Land Conversion under the City's Official Plan

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Jul 14, 2021
Featured Insight

Masters and Clergy – Is the Clergy “Principle” No More?

An overview of a recent Ontario Divisional Court decision which weighs in on the legal status of the Clergy Principle.

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Jul 7, 2021
Featured Insight

Impending Implementation of Ontario’s Inclusionary Zoning Regime in Toronto and the GTA

An overview of inclusionary zoning policies and their impending implementation in Toronto and the GTA.

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Jun 25, 2021
Featured Insight

COVID-19: July 22nd Update on the Impacts to Development Applications and Hearings

Status update (July 22, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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Jul 22, 2020
Featured Insight

The LPAT and the New “Ontario Land Tribunals” Cluster

The New Ontario Land Tribunals Cluster and moving forward with hearings at the LPAT.

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Jul 6, 2020
Featured Insight

COVID-19: July 6th Update on the Impacts to Development Applications and Hearings

Status update (July 6, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing
applications, appeals, and municipal closures.

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Jul 6, 2020
Featured Insight

COVID-19: June 3rd Update on the Impacts to Development Applications and Hearings

Status update (June 3, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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Jun 3, 2020
Featured Insight

COVID-19: May 20th Update on the Impacts to Development Applications and Hearings

Status update (May 20, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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May 20, 2020
Featured Insight

COVID-19: May 13th Update on the Impacts to Development Applications and Hearings

Status update (May 13, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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May 13, 2020
Featured Insight

COVID-19: May 6th Update on the Impacts to Development Applications and Hearings

Status update (May 6, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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May 6, 2020
Featured Insight

COVID-19: April 22nd Update on the Impacts to Development Applications and Hearings

Status update (April 22, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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Apr 22, 2020
Featured Insight

COVID-19: April 15th Update on the Impacts to Development Applications and Hearings

Status update (April 15, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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Apr 15, 2020
Featured Insight

COVID-19: March 30th Update on the Impacts to Development Applications and Hearings

Status update (March 30, 2020) re: land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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Mar 30, 2020
Featured Insight

COVID-19: What is the Impact on Development Applications and Hearings?

Status update re: the land use planning and municipal response to COVID-19 in Ontario; processing applications, appeals, and municipal closures.

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Mar 23, 2020
Featured Insight

Province Announces Major Changes to the Rules Governing Land Development

The Ontario Government announced on Thursday, May 2, 2019 that there will again be significant changes to the Planning Act and other development-related legislation through its “More Homes, More Choices: Ontario’s Housing Supply Action Plan.”

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May 2, 2019
Featured Insight

Ford-ward Looking at the Impacts of the Better Local Government Act, 2018

Jul 30, 2018, the Premier of Ontario tabled draft legislation to bring changes into effect to significantly reduce the number of wards in the City of Toronto.

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Aug 1, 2018
Featured Insight

Ontario Premier Doug Ford Intends to Cut Toronto City Wards from 47 to 25 for 2018 Municipal Election

Jul 30, 2018, the Premier of Ontario tabled draft legislation to bring changes into effect to significantly reduce the number of wards in the City of Toronto.

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Jul 27, 2018
Featured Insight

Province of Ontario Announces Major Reforms to the Land Use Planning Appeal Process

Province of Ontario Announces Major Reforms to the Land Use Planning Appeal Process

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May 16, 2017
Featured Insight

Federal Jurisdiction in Municipal Matters: What Happens When the Provinces or Municipalities Step on Federal Toes?

Federal Jurisdiction in Municipal Matters: What Happens When the Provinces or Municipalities Step on Federal Toes?

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Mar 13, 2017
Featured Insight

Updated – Bill 73: Smart Growth for Our Communities Act, 2015

Updated - Bill 73: Smart Growth for Our Communities Act, 2015

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Jan 18, 2016
Featured Insight

Bill 73: Smart Growth for Our Communities Act, 2015

Bill 73: Smart Growth for Our Communities Act, 2015

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Jul 18, 2015
Featured Insight

Bill 73: Smart Growth for Our Communities Act, 2015

Bill 73: Smart Growth for Our Communities Act, 2015

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Jun 18, 2015

Deals & Cases (1 Posts)

Featured Insight

Vancity Commits $38 Million Towards Toronto Western Hospital Wastewater Energy Transfer Project

On October 21, 2021, Vancity Community Investment Bank and Canada Infrastructure Bank reached financial close on a $38 million project financing to Noventa Energy Partners for the development of the world’s largest raw wastewater energy transfer system at Toronto Western Hospital...

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Oct 21, 2021