BuildingCensus
D

Immaculate Conception Church

Worship Facility in Seattle, WA · 800 18TH AVE · 98122

ENERGY STAR score
39
band D · 2025
Site EUI
42.9
kBtu/ft²
GHG emissions
51
tCO₂e
GHG intensity
1.9
kgCO₂e/ft²
Floor area
26,560
sq ft
Year built
1901
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

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

Benchmarking record

FieldValue
ENERGY STAR score39 (band D)
Site EUI42.9 kBtu/ft²
Source EUI58.1 kBtu/ft²
GHG emissions51 tCO₂e
GHG intensity1.9 kgCO₂e/ft²
Electricity58,133 kWh
Natural gas9,399 therms
Gross floor area26,560 sq ft
Source recordseattle:22078:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest39-1642.9 kBtu/ft²51 tCO₂e
20245529.8 kBtu/ft²32 tCO₂e
2023——1 tCO₂e
2022——1 tCO₂e
202142+139.4 kBtu/ft²46 tCO₂e
202041+1838.1 kBtu/ft²44 tCO₂e
201923+952.3 kBtu/ft²61 tCO₂e
201814+1157.6 kBtu/ft²61 tCO₂e
20173+266.9 kBtu/ft²67 tCO₂e
20161±065.9 kBtu/ft²64 tCO₂e
2015173.1 kBtu/ft²76 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
800 18TH AVE
State
Washington
ZIP
98122
Coordinates
47.60962, -122.30850

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

Frequently asked questions

What is Immaculate Conception Church's energy grade?

Immaculate Conception Church scores 39 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Immaculate Conception Church use?

Its 2025 site energy-use intensity was 42.9 kBtu/ft² (58.1 kBtu/ft² source) across 26,560 sq ft, including 58,133 kWh of electricity and 9,399 therms of natural gas.

What are Immaculate Conception Church's carbon emissions?

Immaculate Conception Church reported 51 tCO₂e of greenhouse-gas emissions (1.9 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:22078:2025.