20 Heron Building
Commercial in San Francisco, CA · 20 HERON ST · 94103
At a glance
20 Heron Building is a 26,162-square-foot commercial building at 20 HERON ST in San Francisco, California, built in 1931. It is listed in the 2025 Existing Buildings Energy Performance Ordinance disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2017, with a site EUI of 33.8 kBtu/ft².
No energy data reported for 2025
20 Heron Building appears in the 2025 Existing Buildings Energy Performance Ordinance disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 26,162 sq ft · Built 1931
Source record sf:3755/044:2025
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | — | — | — | |
| 2023 | — | — | — | |
| 2022 | — | — | — | |
| 2021 | — | — | — | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | — | — | — | |
| 2017 | — | 33.8 kBtu/ft² | 67 tCO₂e | |
| 2016 | — | 32.5 kBtu/ft² | 74 tCO₂e | |
| 2015 | — | 17.7 kBtu/ft² | 38 tCO₂e | |
| 2014 | — | 16.8 kBtu/ft² | 36 tCO₂e | |
| 2013 | — | 16.8 kBtu/ft² | 39 tCO₂e | |
| 2012 | — | 16.6 kBtu/ft² | 38 tCO₂e | |
| 2011 | — | — | — |
Compliance context
SF Environment Code Chapter 20
San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 20 HERON ST
- City
- San Francisco
- State
- California
- ZIP
- 94103
- Coordinates
- 37.77468, -122.40873
Within ~1 km
Nearby benchmarked buildings
- 650 Townsend - Zyngascore 94
Commercial · 1,029,659 sq ft
- 33 8TH STscore 100
Multifamily · 918,968 sq ft
- 650 Townsendscore 97
Office · 872,484 sq ft
- 1355 Market Stscore —
Commercial · 829,730 sq ft
- 1201 Bryant Streetscore 100
Office · 805,178 sq ft
- 415 NATOMA STscore 100
Commercial · 700,000 sq ft
See also: most efficient in San Francisco · biggest emitters
How has 20 Heron Building's energy performance changed over time?
BuildingCensus holds 15 San Francisco disclosures for 20 Heron Building, covering report years 2011–2025. Site EUI moved from 16.6 kBtu/ft² (2012) to 33.8 kBtu/ft² (2017), an 104% increase. Reported emissions went from 38 tCO₂e to 67 tCO₂e over the same span (up 76%).
Which law requires 20 Heron Building to report its energy use?
20 Heron Building reports under SF Environment Code Chapter 20, the legal basis of San Francisco's Existing Buildings Energy Performance Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record sf:3755/044:2025). San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
More commercial buildings in San Francisco
- Williams Sonoma - Davis Street· 26,160 sq ft · score 84 (B)
- Yellow Cab Co-op· 26,155 sq ft · score 75 (B)
- 690 FOLSOM ST· 26,080 sq ft · EUI 54.9 kBtu/ft²
- 1683 GALVEZ AVE· 26,079 sq ft · score 99 (A)
- 1001 Brannan St.· 26,000 sq ft
- Hamilton Square Baptist Church· 26,000 sq ft · score 78 (B)
- Commercial buildings in San Francisco· 1,683 benchmarked
- All San Francisco benchmarked buildings· SF Environment Code Chapter 20
- Most efficient large buildings in San Francisco
- Least efficient large buildings in San Francisco
- Biggest emitters in San Francisco
Frequently asked questions
What is 20 Heron Building's energy grade?
20 Heron Building has no grade: it did not report energy data for 2025. The 2025 Existing Buildings Energy Performance Ordinance disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is 20 Heron Building?
20 Heron Building is at 20 HERON ST, in San Francisco, California 94103. Its coordinates are 37.77468, -122.40873 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.
Working with San Francisco building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: Existing Buildings Energy Performance Ordinance (SF Environment Code Chapter 20), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “20 Heron Building, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/20-heron-building-d34224c0 (data as of October 2, 2026).