BuildingCensus
A

TWIN BIRCHES APTS

Multifamily LR (1-4) in Seattle, WA · 800 2ND AVE N · 98109

ENERGY STAR score
97
band A · 2024
Site EUI
25.9
kBtu/ft²
GHG emissions
14
tCO₂e
GHG intensity
0.5
kgCO₂e/ft²
Floor area
27,246
sq ft
Year built
1957
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 score97 (band A)
Site EUI25.9 kBtu/ft²
Source EUI58.3 kBtu/ft²
GHG emissions14 tCO₂e
GHG intensity0.5 kgCO₂e/ft²
Electricity132,591 kWh
Natural gas2,092 therms
Gross floor area27,246 sq ft
Source recordseattle:27634:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest97+125.9 kBtu/ft²14 tCO₂e
202396+427.5 kBtu/ft²15 tCO₂e
202292-336.3 kBtu/ft²27 tCO₂e
202195-532.9 kBtu/ft²24 tCO₂e
2020100±018.4 kBtu/ft²8 tCO₂e
2019100±020.3 kBtu/ft²14 tCO₂e
2018100+122.0 kBtu/ft²15 tCO₂e
201799+223.8 kBtu/ft²15 tCO₂e
201697-323.9 kBtu/ft²14 tCO₂e
201510020.9 kBtu/ft²14 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.

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Location

Address
800 2ND AVE N
State
Washington
ZIP
98109
Coordinates
47.62664, -122.35236

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is TWIN BIRCHES APTS's energy grade?

TWIN BIRCHES APTS scores 97 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does TWIN BIRCHES APTS use?

Its 2024 site energy-use intensity was 25.9 kBtu/ft² (58.3 kBtu/ft² source) across 27,246 sq ft, including 132,591 kWh of electricity and 2,092 therms of natural gas.

What are TWIN BIRCHES APTS's carbon emissions?

TWIN BIRCHES APTS reported 14 tCO₂e of greenhouse-gas emissions (0.5 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:27634:2024.