BuildingCensus
D

THE CENTURY HOUSE

Multifamily LR (1-4) in Seattle, WA · 1701 23RD AVE S · 98144

ENERGY STAR score
31
band D · 2024
Site EUI
45.8
kBtu/ft²
GHG emissions
16
tCO₂e
GHG intensity
0.3
kgCO₂e/ft²
Floor area
58,485
sq ft
Year built
1971
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

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

Benchmarking record

FieldValue
ENERGY STAR score31 (band D)
Site EUI45.8 kBtu/ft²
Source EUI128.4 kBtu/ft²
GHG emissions16 tCO₂e
GHG intensity0.3 kgCO₂e/ft²
Electricity785,807 kWh
Gross floor area58,485 sq ft
Source recordseattle:20021:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest31-445.8 kBtu/ft²16 tCO₂e
202335+345.3 kBtu/ft²15 tCO₂e
202232+247.3 kBtu/ft²16 tCO₂e
202130-847.2 kBtu/ft²16 tCO₂e
202038-143.3 kBtu/ft²15 tCO₂e
201939-143.3 kBtu/ft²15 tCO₂e
201840+1042.7 kBtu/ft²15 tCO₂e
201730-645.4 kBtu/ft²15 tCO₂e
201636+240.4 kBtu/ft²14 tCO₂e
20153441.1 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
1701 23RD AVE S
State
Washington
ZIP
98144
Coordinates
47.58817, -122.30291

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is THE CENTURY HOUSE's energy grade?

THE CENTURY HOUSE scores 31 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does THE CENTURY HOUSE use?

Its 2024 site energy-use intensity was 45.8 kBtu/ft² (128.4 kBtu/ft² source) across 58,485 sq ft, including 785,807 kWh of electricity.

What are THE CENTURY HOUSE's carbon emissions?

THE CENTURY HOUSE reported 16 tCO₂e of greenhouse-gas emissions (0.3 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:20021:2024.