BuildingCensus
C

UNION BAY CONDOMINIUM

Multifamily LR (1-4) in Seattle, WA · 762 HAYES ST · 98109

ENERGY STAR score
58
band C · 2024
Site EUI
43.1
kBtu/ft²
GHG emissions
28
tCO₂e
GHG intensity
0.9
kgCO₂e/ft²
Floor area
31,008
sq ft
Year built
1977
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score58 (band C)
Site EUI43.1 kBtu/ft²
Source EUI87.7 kBtu/ft²
GHG emissions28 tCO₂e
GHG intensity0.9 kgCO₂e/ft²
Electricity172,867 kWh
Natural gas4,559 therms
Gross floor area31,008 sq ft
Source recordseattle:26135:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest58+943.1 kBtu/ft²28 tCO₂e
202349+1246.9 kBtu/ft²31 tCO₂e
202237-753.4 kBtu/ft²37 tCO₂e
202144±051.6 kBtu/ft²38 tCO₂e
202044+349.6 kBtu/ft²36 tCO₂e
201941-750.4 kBtu/ft²36 tCO₂e
201848+1945.8 kBtu/ft²30 tCO₂e
201729+552.9 kBtu/ft²32 tCO₂e
201624+249.7 kBtu/ft²31 tCO₂e
20152251.6 kBtu/ft²33 tCO₂e

Compliance context

Seattle Energy Benchmarking Ordinance (SMC 22.920)

Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.

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
762 HAYES ST
State
Washington
ZIP
98109
Coordinates
47.63434, -122.34140

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is UNION BAY CONDOMINIUM's energy grade?

UNION BAY CONDOMINIUM scores 58 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does UNION BAY CONDOMINIUM use?

Its 2024 site energy-use intensity was 43.1 kBtu/ft² (87.7 kBtu/ft² source) across 31,008 sq ft, including 172,867 kWh of electricity and 4,559 therms of natural gas.

What are UNION BAY CONDOMINIUM's carbon emissions?

UNION BAY CONDOMINIUM reported 28 tCO₂e of greenhouse-gas emissions (0.9 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.

Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:26135:2024.