Some of the greatest professional challenges Thomas Rengstorf Associates has undertaken in the last two decades involve landscaping roof deck areas. Roof top development has many unique complications that Thomas Rengstorf Associates has solved in unique, aesthetic and cost-effective manners. The challenges of developing a distinctive rooftop garden that people find pleasing and wish to gather within is incredibly satisfying.
A small listing of some recent projects which included green roof development;

2010
Regata Renovation -TRIAD Development

2009
West Seattle Junction - Conner Homes
1650 Olive Way
The Arbors
Europa
The Kenney
Cameo

2008
Leilani Square - TRIAD Development
Station 920 - Mastro Properties
Melrose and Thomas - Mastro Properties
Lake City Way Senior Apartments -
Steve Smith Development
Broadway Mixed-use -
Cascasia Pacific Properties

2007
Canal Station II - Continental Properties
Center Pointe - Redmond Gateway LLC
Broadway on Broadway - Hunters Capital LLC
12311 32nd Ave NE - SeaMark Properties
Columbia City Place -
Eagle Rock Ventures LLC
Blossom Hill - Nelson Wood and Glass
320 East Pine - The Stratford Company

2006
523 Broadway - Essex Broadway LLC
Harbor Square - OPUS Northwest LLC
Library Square - Skotdal Real Estate
The Cosmopolitan - Continental Properties

2005
Harvard and Highland - Admiralty Group LLC
East John Court -
Lakeshore Investment Corporation
M Street - OPUS Northwest LLC
Cameo Condominiums -
HAL Real Estate Investment
Merrill Gardens - Kirkland -
SRM Development LLC
Merrill Gardens - University Village -
SRM Development LLC
The Kennedy Building - Wakefield Homes
Bellevue Gateway Center -
SRM Development LLC

2004
Bellevue Center - SRM Development LLC
Kirkland Central - Continental Properties
The Cairns - SeaMark Properties
Trio - Denny & Western LLC
Point Edwards - Point Edwards LLC
NoMa - Ballard LLC
Canal Station I - Continental Properties
The Dexter - OPUS Northwest LLC
Dwell - Triad Development
Regata - Triad Development
Olympus - Legacy Partners