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Wrong Timothy McDonald?

Mr. Timothy E. G. McDonald

President and Chief Executive Officer

Onion Flats

Direct Phone: (215) ***-****       

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Onion Flats

111 W. Norris St

Philadelphia, Pennsylvania 19122

United States

Company Description

Onion Flats has been practicing in Philadelphia as developers, architects and builders since 1997. Our work has been published widely and has won national and international awards, focusing on innovated solutions for highly sustainable urban communities, ... more

Find other employees at this company (18)

Background Information

Employment History

Adjunct Professor of Architecture

Temple University

Adjunct Professor of Architecture

University of Pennsylvania

Adjunct Professor of Architecture

Philadelphia University


City of Wilton

Bulk Distribution Driver Trainer

Linde AG


Advanced EMS


Board Member
Northern Liberties Neighbors Association

Founder and President Inc

Board Member
City Civic Association

Plumbob , LLC

JIG , Inc.


Bachelors of Architecture degree

Penn State University

Masters Degree

master's degree


Web References (197 Total References)

Milhaus - vertical mixed-use and urban infill residential environments [cached]

Tim McDonald, Principal at Onion Flats, says, "We think this way because most developers won't.

According to Tim McDonald of ... [cached]

According to Tim McDonald of Onion Flats, this project will be, "Philadelphia's first Passive House Certified and Net-Zero-Energy mixed-use residential/retail community as well as the country's largest."

Onion Flats [cached]

Timothy McDonald

Timothy McDonald is the President and CEO of Onion Flats LLC. more

Onion Flats [cached]

Timothy McDonald

Timothy McDonald is the President and CEO of Onion Flats LLC. Tim is a licensed architect in Pennsylvania and New Jersey. In 1997, with his brother Patrick, he co-founded Onion Flats LLC; a Philadelphia based real estate development/design/build firm. Tim has been an adjunct Professor of Architecture at Philadelphia University,Temple University, University of Calgary, and University of Pennsylvania. His service and experience extends into his community by holding current positions in the Northern Liberties Neighbors Association Zoning Committee, the Philadelphia Sustainability Advisory Board, as well as a previous position on the Old City Civic Association Board of Directors. Tim is also Founder/President of FAARM, a non-profit organization dedicated solely to the exhibition of art and architecture in Philadelphia. As a partner in Onion Flats, Tim's role is Lead Architect and Construction Manager for many of Onion Flats' projects. In 2005, Tim and his brothers Pat and John, in conjunction with Howard Steinberg formed the architecture firm Plumbob, LLC and JIG, Inc., a General Contracting, Construction Management and Green Roof company, allowing this team to provide full design-build services for both clients and their own developments.
Additionally, Tim is a Certified LEED Accredited Professional and Passive House Certified Consultant and Tradesman.

High Performance Passive House Design Conference [cached]

This comment was later reinforced in another presentation by Tim McDonald of Onion Flats based out of Philadelphia, Pennsylvania.

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