Kartelle Corporation



 Acquisition and Land Assemblies

Comprehensive Development


 Municipal Approval Zoning Process Management

 Development Budgeting

 Consultant Management & Coordination

 Land Use Analysis & Planning

 Cost Management



Joint Ventures & Partnerships

Equity participation

Asset Based Projects: "Long Term Hold"

Income Properties - Re-Development

Asset Management

Development Investments

Design & Architecture

 In-House Comprehensive Architectural Design 

Building Permit Application

Committee of Adjustment (OMB) Process Management

Planning Management

Space Design & Planning - Design/Build

.BUILDPlus Inc

The construction process is managed by our team of construction professionals of Build Plus Group enabling Kartelle to yield on time projects and realistic budgets.

 Construction Budgeting

 Project and Construction Management

 Site Logistics

Construction Scheduling & Planning

Pre-Construction Services & Design Coordination

Tendering Process

Project Administration

Property Management

Commercial, Retail Office and Residential Condominium Property


Facilities Management


Tenant Improvements


Kartelle Corporation was founded in 2007. Our President & CEO Steven S. Leyzac founded Kartelle Corporation to fill a void in the Toronto marketplace. Kartelle Corporation fulfills all aspects of the development process, including real estate sales, construction, and financing facilitation. Mr. Leyzac has an extensive history in Canadian and International real estate procurement, development and construction. Mr. Leyzac has held several senior positions serving the development industry with Penequity Management Corporation (Senior Vice President Construction & Development), Filmport (Senior Vice President Construction & Development) and formerly, the President & Senior Executive of Lewis Builds Corporation. Mr. Leyzac has been involved in the construction and development of numerous significant landmark projects

Filmport Studios nicknamed Hollywood North, this facility includes the largest soundstage in Canada. Renamed Pinewood Studios when sold to the famous film-house, this project is an important part of Canada's film industry.

Toronto Life Square at Yonge and Dundas, 300,000 sq. ft. urban metropolis that revitalized the heart of Toronto with a leading-edge electronic signage board, the first of it's kind in Canada.

65 Lillian a new luxury apartment building in Midtown Toronto owned by Great West Life Co.

Horton Plaza San Diego California. Steven spent eight years constructing this billion dollar shopping mall and entertainment complex.   

Parkway Forest Master planned community at Don Mills & Sheppard. 300,000 sq.ft. new apartment buildings by El-Ad Canada.

New World Centre Hong Kong was one of Mr. Leyzac's first endeavours as a construction executive. This remarkable tower was constructed using typical Hong Kong techniques including bamboo scaffolding that rose to 200 feet.

Trump International Hotel + Tower, Toronto a 59 storey tower located at Bay and Adelaide, an ultra-luxurious development by Talon International..

1003 Queen Street East A boutique condominium development with at geat retail and 3 levels of residential condominiums.

1000 Mount Pleasant luxury rental building located in the Leaside community and owned by Homestead.

Current Project

130 Racco Parkway The Kartelle Centre, is a 160,000 sq. ft commercial recreation complex located in Vaughn, Ontario. 

About us

Kartelle Corporation engages in the acquisition of prime urban real estate sites for re-development of new Commercial Office and state-of-the art Medical Buildings, Retirement Facilities and high-rise Residential Condominium Towers. Kartelle utilizes meticulous planning to create communities that make living, playing and working more functional

We provide Creative, Intelligent, and Flexible real estate solutions including:  Acquisition Use Analysis and Development Approvals, Comprehensive Development, Construction, Budgeting, Project Management, Planning & Consultant Management


Steven S. Leyzac

President & CEO

Steven Leyzac is the founding director of Kartelle Corporation

He has 25+ years experience in the acquisition, development, construction,valuation,improvement and disposition of real estate assets.

Responsible for the overall leadership and management of Kartelle Corporation and its subsidiaries, Mr. Leyzac plays an active role in the acquisition program along with major asset management, development and construction activities

Chris Stadelmann; CFA, Hons. BBA

Vice President

Mr. Stadelmann is a CFA Charterholder, with an Hons. B.B.A from Wilfred Laurier University in Finance and Economics

He brings to 15 years of Commercial Banking experience to his role at Kartelle Corporation

and leads Kartelle’s finance, market capital and debt sourcing and partnership structuring

Stephani Zambrano; P.Eng, PMP

Construction Manager

Ms. Zambrano is a Civil Engineer and a Project Management professional

She leads the Project and Construction Management Group through our construction division, BuildPlus Group Inc. Her responsibilities include the global management of all phases of construction projects and procurement, project team personnel and sub-trades, along with Building Department liaison requirements


Kartelle personnel have over 50 years experience in developing, designing and constructing shopping malls, iconic centres, urban residential skyscrapers, commercial office towers, medical buildings and retail space with an accumulated value exceeding 2.0 Billion Dollars


Kartelle has earned a reputation of completing complex projects, through our depth of experience, which enables us to complete projects on time and on budget.