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Onion Flats

Onion Flats has been practicing in Philadelphia as developers, architects and builders since 1997. Our mission is to integrate seamlessly the process by which our ideas about architecture, the city, and sustainable development go from interpretation to construction to habitation. We choose to explore and experiment with the entire spectrum of intelligent and practical approaches to the way in which buildings manage their own resources, and create communities that sustain themselves.

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Jackhammer / Onion Flats

01:00 - 15 April, 2011
Jackhammer / Onion Flats, © Tim McDonald
© Tim McDonald

© Tim McDonald © Tim McDonald © Tim McDonald © Tim McDonald +10

  • Architects

  • Location

    636 Belgrade Street, Philadelphia, PA 19125, United States
  • Project Team

    Kurt Schlenbaker, Tim McDonald, Howard Steinberg
  • Green Roof & Rainwater Harvesting

    G.R.A.S.S. (Green Roots And Solar Systems)
  • Owner / Developer

    Onion Flats
  • General Contractor

    JIG Inc (Project Manager Kurt Schlenbaker)
  • Leed Rater

    Magrann Associates (Sam Klein)
  • Project Year

    2007
  • Photographs

Capital Flats / Onion Flats

01:00 - 12 April, 2011
Capital Flats / Onion Flats, © Tim McDonald
© Tim McDonald

© Tim McDonald © Tim McDonald © Tim McDonald © Tim McDonald +39

  • Architects

  • Location

    114 West Laurel Street, Philadelphia, PA 19123, United States
  • Developer/Builder

    Onion Flats
  • Photographs

Thin Flats / Onion Flats

01:00 - 8 April, 2011
Thin Flats / Onion Flats, © Mariko Reed
© Mariko Reed

© Sam Oberter © Sam Oberter © Sam Oberter © Tim McDonald +27

  • Architects

  • Location

    149 W Laurel St, Philadelphia, PA 19123, United States
  • Architect

    Onion Flats (Plumbob Llc)
  • Project Team

    Tim McDonald, Howard Steinberg, Jim Sanderson
  • Project Year

    2009
  • Photographs

Margarido House / Onion Flats

01:00 - 4 April, 2011
Margarido House / Onion Flats, © Mariko Reed
© Mariko Reed

© Mariko Reed © Mariko Reed © Mariko Reed © Mariko Reed +16

  • Architects

  • Location

    Oakland, United States
  • Architect

    Onion Flats (Plumbob Llc)
  • Interior Design & Construction Administration

    Medium Plenty (Ian Read)
  • Structural Engineer

    St. Onge & Associates
  • Owner / Developer

    Mike McDonald (McDonald Construction & Development Inc.)
  • General Contractor

    McDonald Construction & Development Inc.
  • Photographs

Rag Flats / Onion Flats

01:00 - 31 March, 2011
Rag Flats / Onion Flats, Courtesy of  onion flats
Courtesy of onion flats

Courtesy of  onion flats Courtesy of  onion flats Courtesy of  onion flats Courtesy of  onion flats +20

  • Architects

  • Location

    1338 East Berks Street, Philadelphia, PA 19125, United States
  • Architect

    Onion Flats
  • Developer/Builder

    Onion Flats
  • Project Year

    2006