Registry of Certified Buildings and Plants
221 MAIN STREET
221 Main Street
San Francisco, CA 94105
United States
&ts_recentYear= 2025&buildingYearScores=<b>2025:</b> ENERGY STAR NextGen, 97,<b>2024:</b> ENERGY STAR, 93 ,<b>2023:</b> ENERGY STAR, 94 ,<b>2022:</b> ENERGY STAR, 94 ,<b>2021:</b> ENERGY STAR, 96 ,<b>2020:</b> ENERGY STAR, 95 ,<b>2019:</b> ENERGY STAR, 96 ,<b>2018:</b> ENERGY STAR, 97 ,<b>2017:</b> ENERGY STAR, 96 ,<b>2016:</b> ENERGY STAR, 95 ,<b>2015:</b> ENERGY STAR, 95 ,<b>2014:</b> ENERGY STAR, 94 ,<b>2013:</b> ENERGY STAR, 89 ,<b>2012:</b> ENERGY STAR, 88&numYears=14){kind=link}
221 MAIN STREET is a(n) Office building with 405,459 square feet.
221 MAIN STREET
A 2025 ENERGY STAR
NextGen Certified Building
Total Number of Years Certified:
14
Certification History:
(Year, certification type, ENERGY STAR score)
2025: ENERGY STAR NextGen, 97
2024: ENERGY STAR, 93
2023: ENERGY STAR, 94
2022: ENERGY STAR, 94
2021: ENERGY STAR, 96
2020: ENERGY STAR, 95
2019: ENERGY STAR, 96
2018: ENERGY STAR, 97
2017: ENERGY STAR, 96
2016: ENERGY STAR, 95
2015: ENERGY STAR, 95
2014: ENERGY STAR, 94
2013: ENERGY STAR, 89
2012: ENERGY STAR, 88
Property Type:
Office
1 of 808 ENERGY STAR NextGen certified Offices in San Francisco, CA
Total Gross Floor Area:
405,459 sq. ft.
Year Constructed:
1974
Building Owner :
Columbia REIT – 221 Main, LP
*Score is out of a possible 100 points. This information is current as of 2026.
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