BuildingCensus
A

Horizon House

Senior Living Community in Seattle, WA · 900 UNIVERSITY ST · 98101

ENERGY STAR score
92
band A · 2025
Site EUI
35.4
kBtu/ft²
GHG emissions
1,191
tCO₂e
GHG intensity
1.4
kgCO₂e/ft²
Floor area
756,740
sq ft
Year built
1954
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025

Benchmarking record

FieldValue
ENERGY STAR score92 (band A)
Site EUI35.4 kBtu/ft²
Source EUI72.7 kBtu/ft²
GHG emissions1,191 tCO₂e
GHG intensity1.4 kgCO₂e/ft²
Electricity4,977,880 kWh
Natural gas24,250 therms
Gross floor area756,740 sq ft
Source recordseattle:21114:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest92+135.4 kBtu/ft²1,191 tCO₂e
202491+336.3 kBtu/ft²1,249 tCO₂e
202388+538.5 kBtu/ft²1,340 tCO₂e
202283+242.8 kBtu/ft²1,634 tCO₂e
202181-442.6 kBtu/ft²1,546 tCO₂e
202085+439.1 kBtu/ft²1,353 tCO₂e
201981+341.5 kBtu/ft²1,452 tCO₂e
201878-242.9 kBtu/ft²1,518 tCO₂e
201780+942.4 kBtu/ft²1,428 tCO₂e
201671+340.3 kBtu/ft²1,239 tCO₂e
20156842.9 kBtu/ft²1,123 tCO₂e

Compliance context

Seattle Energy Benchmarking Ordinance (SMC 22.920)

Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
900 UNIVERSITY ST
State
Washington
ZIP
98101
Coordinates
47.61088, -122.32932

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is Horizon House's energy grade?

Horizon House scores 92 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Horizon House use?

Its 2025 site energy-use intensity was 35.4 kBtu/ft² (72.7 kBtu/ft² source) across 756,740 sq ft, including 4,977,880 kWh of electricity and 24,250 therms of natural gas.

What are Horizon House's carbon emissions?

Horizon House reported 1,191 tCO₂e of greenhouse-gas emissions (1.4 kgCO₂e/ft²) for 2025. Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.

Working with Seattle building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:21114:2025.