149 New Montgomery
Office in California, CA · 149 New Montgomery Street, San Francisco · 94105
At a glance
149 New Montgomery is a 67,807-square-foot office building at 149 New Montgomery Street, San Francisco in San Francisco, California, built in 1907. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 69.2 kBtu/ft² and 279 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 69.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 279 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 657,709 kWh |
| Natural gas | 24,487 therms |
| Gross floor area | 67,807 sq ft |
| Source record | california:3078341:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 69.2 kBtu/ft² | 279 tCO₂e | |
| 2023 | — | 44.1 kBtu/ft² | 199 tCO₂e | |
| 2022 | — | 43.0 kBtu/ft² | 187 tCO₂e | |
| 2021 | — | 43.9 kBtu/ft² | 166 tCO₂e | |
| 2020 | 58 | +23 | — | 192 tCO₂e |
| 2019 | 35 | -11 | — | 272 tCO₂e |
| 2018 | 46 | 78.0 kBtu/ft² | 324 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 149 New Montgomery Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94105
- Coordinates
- 37.78694, -122.39960
Within ~1 km
Nearby benchmarked buildings
- 555 Californiascore 75
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- PGE-GO Complexscore —
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- One Market Plazascore 80
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- One Market Plazascore 79
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- 555 California Streetscore 76
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See also: most efficient in California · biggest emitters
How does 149 New Montgomery compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Its site EUI of 69.2 kBtu/ft² is about 23% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.1 kgCO₂e/ft² is about 14% above the group average of 3.6 kgCO₂e/ft².
At 67,807 sq ft, it is about 55% below the average floor area of 151,937 sq ft for those buildings. It was built in 1907, 78 years earlier than the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 149 New Montgomery's energy performance changed over time?
BuildingCensus holds 7 California disclosures for 149 New Montgomery, covering report years 2018–2024. Its ENERGY STAR score went from 46 in 2018 to 58 in 2020 (+12 points). Site EUI moved from 78.0 kBtu/ft² (2018) to 69.2 kBtu/ft² (2024), a 11% decrease. Reported emissions went from 324 tCO₂e to 279 tCO₂e over the same span (down 14%).
What does a site EUI of 69.2 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 149 New Montgomery's 69.2 kBtu/ft² across 67,807 sq ft works out to about 4.7 billion Btu (1,375 MWh-equivalent) in 2024. The disclosure also reports 657,709 kWh of electricity and 24,487 therms of natural gas for the year.
Which law requires 149 New Montgomery to report its energy use?
149 New Montgomery reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:3078341:2024). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
More office buildings in California
- 1101 Fifth Avenue· 67,755 sq ft · score 27 (D)
- Encino Gardens· 67,743 sq ft · EUI 110.3 kBtu/ft²
- 100 Redwood Shores Parkway - Opi· 67,721 sq ft · score 9 (D)
- Multipurpose Facility· 67,717 sq ft · score 95 (A)
- G&I Ix Optical Court, Lp· 67,701 sq ft · score 100 (A)
- Operations Support Facility· 67,700 sq ft · EUI 65.1 kBtu/ft²
- Office buildings in California· 6,214 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is 149 New Montgomery's energy grade?
149 New Montgomery did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 69.2 kBtu/ft².
How much energy does 149 New Montgomery use?
Its 2024 site energy-use intensity was 69.2 kBtu/ft² across 67,807 sq ft, including 657,709 kWh of electricity and 24,487 therms of natural gas.
What are 149 New Montgomery's carbon emissions?
149 New Montgomery reported 279 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is 149 New Montgomery?
149 New Montgomery is at 149 New Montgomery Street, San Francisco, in San Francisco, California 94105. Its coordinates are 37.78694, -122.39960 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 149 New Montgomery and when was it built?
149 New Montgomery has 67,807 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1907 as its year built. It is classed as office.
Is 149 New Montgomery covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “149 New Montgomery, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/149-new-montgomery-16718227 (data as of July 9, 2026).