BuildingCensus
A

Hills Plaza I - 345 Spear Street

Commercial in San Francisco, CA · 345 SPEAR ST · 94105

ENERGY STAR score
88
band A · 2025
Site EUI
51.5
kBtu/ft²
GHG emissions
1,187
tCO₂e
GHG intensity
2.8
kgCO₂e/ft²
Floor area
578,104
sq ft
Year built
1991
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

SF Environment Code Chapter 20 · reporting year 2025

Benchmarking record

FieldValue
ENERGY STAR score88 (band A)
Site EUI51.5 kBtu/ft²
Source EUI121.7 kBtu/ft²
GHG emissions1,187 tCO₂e
GHG intensity2.8 kgCO₂e/ft²
Electricity4,830,245 kWh
Natural gas92,798 therms
Gross floor area578,104 sq ft
Source recordsf:3744/002-A:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest88+251.5 kBtu/ft²1,187 tCO₂e
202486+459.8 kBtu/ft²1,566 tCO₂e
202382+562.5 kBtu/ft²1,709 tCO₂e
202277+360.5 kBtu/ft²1,631 tCO₂e
20217454.0 kBtu/ft²1,312 tCO₂e
202049.6 kBtu/ft²1,333 tCO₂e
201960-778.8 kBtu/ft²2,206 tCO₂e
201867-1268.2 kBtu/ft²1,916 tCO₂e
201779-265.2 kBtu/ft²1,972 tCO₂e
201681-165.3 kBtu/ft²2,188 tCO₂e
201582+563.0 kBtu/ft²2,023 tCO₂e
201477+468.3 kBtu/ft²2,165 tCO₂e
201373-173.2 kBtu/ft²2,293 tCO₂e
201274-676.3 kBtu/ft²2,830 tCO₂e
20118072.6 kBtu/ft²2,615 tCO₂e

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.

Program details →

Ownership

No owner listed in the disclosure.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
345 SPEAR ST
State
California
ZIP
94105
Coordinates
37.78980, -122.38976

Within ~1 km

Nearby benchmarked buildings

  • Commercial · 1,948,626 sq ft

  • Commercial · 1,870,178 sq ft

  • One Market Plazascore 79

    Office · 1,830,339 sq ft

  • Pge01195 - San Francisco Market - United Statesscore 100

    Office · 1,775,440 sq ft

  • Pge-Go Complex 102_245M_77Blscore 72

    Office · 1,775,427 sq ft

  • Commercial · 1,679,267 sq ft

See also: most efficient in San Francisco · biggest emitters

Frequently asked questions

What is Hills Plaza I - 345 Spear Street's energy grade?

Hills Plaza I - 345 Spear Street scores 88 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 San Francisco disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Hills Plaza I - 345 Spear Street use?

Its 2025 site energy-use intensity was 51.5 kBtu/ft² (121.7 kBtu/ft² source) across 578,104 sq ft, including 4,830,245 kWh of electricity and 92,798 therms of natural gas.

What are Hills Plaza I - 345 Spear Street's carbon emissions?

Hills Plaza I - 345 Spear Street reported 1,187 tCO₂e of greenhouse-gas emissions (2.8 kgCO₂e/ft²) for 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.

Dataset updated . Source: Existing Buildings Energy Performance Ordinance disclosure, record sf:3744/002-A:2025.