GBIG

100 W Walnut St

Building

Building 100 W Walnut St

Pasadena, CA, USA

100 West Walnut Street, Parsons Corporation World Headquarters

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overview

An Office building with 408,590 square feet. First green activity in 2009.

Activity Why It's Green

This building is green because it has 10 green activities that achieved outcomes of energy efficient operations.

10
Green Projects
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Registered
2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

Awards & Certifications

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People/Organizations who worked on this building

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Activity

Activity
100 West Walnut Street - Energy Star Certified 2025
awarded on 01/01/2025
77
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2024
awarded on 01/01/2024
76
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2023
awarded on 01/01/2023
77
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2022
awarded on 01/01/2022
82
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2021
awarded on 01/01/2021
77
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2020
awarded on 01/01/2020
78
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2019
awarded on 01/01/2019
76
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2018
awarded on 01/01/2018
82
Energy Star Office
Activity
100 West Walnut Street - Energy Star Certified 2017
awarded on 01/01/2017
77
Energy Star Office
Activity
Parsons Corporation World Headquarters
registered on 03/27/2009
Registered
LEED EB 2008
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