Registry of Certified Buildings and Plants
WILLIAMS TOWER
2800 Post Oak Blvd
Houston, TX 77056
United States
&ts_recentYear= 2025&buildingYearScores=<b>2025:</b> ENERGY STAR, 77,<b>2024:</b> ENERGY STAR, 78 ,<b>2023:</b> ENERGY STAR, 78 ,<b>2022:</b> ENERGY STAR, 80 ,<b>2021:</b> ENERGY STAR, 78 ,<b>2020:</b> ENERGY STAR, 75 ,<b>2019:</b> ENERGY STAR, 75 ,<b>2018:</b> ENERGY STAR, 88 ,<b>2017:</b> ENERGY STAR, 88 ,<b>2016:</b> ENERGY STAR, 85 ,<b>2015:</b> ENERGY STAR, 80 ,<b>2014:</b> ENERGY STAR, 75 ,<b>2013:</b> ENERGY STAR, 75 ,<b>2012:</b> ENERGY STAR, 81 ,<b>2011:</b> ENERGY STAR, 83 ,<b>2010:</b> ENERGY STAR, 78 ,<b>2009:</b> ENERGY STAR, 83 ,<b>2008:</b> ENERGY STAR, 88 ,<b>2007:</b> ENERGY STAR, 78 ,<b>2002:</b> ENERGY STAR, 81 ,<b>2001:</b> ENERGY STAR, 78 ,<b>2000:</b> ENERGY STAR, 81&numYears=22){kind=link}
WILLIAMS TOWER is a(n) Office building with 1,655,703 square feet.
WILLIAMS TOWER
A 2025 ENERGY STAR
Certified Building
Total Number of Years Certified:
22
Certification History:
(Year, certification type, ENERGY STAR score)
2025: ENERGY STAR, 77
2024: ENERGY STAR, 78
2023: ENERGY STAR, 78
2022: ENERGY STAR, 80
2021: ENERGY STAR, 78
2020: ENERGY STAR, 75
2019: ENERGY STAR, 75
2018: ENERGY STAR, 88
2017: ENERGY STAR, 88
2016: ENERGY STAR, 85
2015: ENERGY STAR, 80
2014: ENERGY STAR, 75
2013: ENERGY STAR, 75
2012: ENERGY STAR, 81
2011: ENERGY STAR, 83
2010: ENERGY STAR, 78
2009: ENERGY STAR, 83
2008: ENERGY STAR, 88
2007: ENERGY STAR, 78
2002: ENERGY STAR, 81
2001: ENERGY STAR, 78
2000: ENERGY STAR, 81
Property Type:
Office
1 of 337 ENERGY STAR certified Offices in Houston, TX
Total Gross Floor Area:
1,655,703 sq. ft.
Year Constructed:
1982
Building Owner :
Williams Tower, L.P.
*Score is out of a possible 100 points. This information is current as of 2026.
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