BuildingCensus
D

The Foundry

Non-Refrigerated Warehouse in Seattle, WA · 4130 1ST AVE S · 98134

At a glance

The Foundry is a 31,360-square-foot non-refrigerated warehouse at 4130 1ST AVE S in Seattle, Washington, built in 1946. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 51 out of 100 (grade D), a site energy-use intensity of 19.0 kBtu/ft² and 3 tCO₂e of greenhouse-gas emissions. That score is higher than 34% of the 117 scored non-refrigerated warehouse buildings in Seattle.

ENERGY STAR score
51
band D · 2025
Site EUI
19.0
kBtu/ft²
GHG emissions
3
tCO₂e
GHG intensity
0.1
kgCO₂e/ft²
Floor area
31,360
sq ft
Year built
1946
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 score51 (band D)
Site EUI19.0 kBtu/ft²
Source EUI53.2 kBtu/ft²
GHG emissions3 tCO₂e
GHG intensity0.1 kgCO₂e/ft²
Electricity174,671 kWh
Gross floor area31,360 sq ft
Source recordseattle:26236:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest51+519.0 kBtu/ft²3 tCO₂e
202446-420.5 kBtu/ft²4 tCO₂e
202350-1219.4 kBtu/ft²4 tCO₂e
202262+316.0 kBtu/ft²3 tCO₂e
202159-416.5 kBtu/ft²3 tCO₂e
202063+1815.1 kBtu/ft²3 tCO₂e
201945+421.0 kBtu/ft²4 tCO₂e
201841+122.1 kBtu/ft²4 tCO₂e
20174022.8 kBtu/ft²4 tCO₂e
2016—53.9 kBtu/ft²38 tCO₂e
2015—46.8 kBtu/ft²36 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
4130 1ST AVE S
State
Washington
ZIP
98134
Coordinates
47.56610, -122.33358

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

How does The Foundry compare with other non-refrigerated warehouse buildings in Seattle?

The latest disclosures cover 164 non-refrigerated warehouse buildings in Seattle, out of 3,871 buildings citywide. The Foundry's ENERGY STAR score of 51 compares with an average of 58 across the 117 that report a score; it scores higher than 34% of them and lower than 64%. Its site EUI of 19.0 kBtu/ft² is about 38% below the average of 30.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.1 kgCO₂e/ft² is about 88% below the group average of 0.9 kgCO₂e/ft².

At 31,360 sq ft, it is about half of the average floor area of 58,727 sq ft for those buildings. It was built in 1946, 14 years earlier than the group's average year built (1960). Across all 24 jurisdictions BuildingCensus covers, the 4,723 non-refrigerated warehouse buildings average an ENERGY STAR score of 66 and a site EUI of 26.0 kBtu/ft².

How has The Foundry's energy performance changed over time?

BuildingCensus holds 11 Seattle disclosures for The Foundry, covering report years 2015–2025. Its ENERGY STAR score went from 40 in 2017 to 51 in 2025 (+11 points); its best year on file was 2020, at 63. Site EUI moved from 46.8 kBtu/ft² (2015) to 19.0 kBtu/ft² (2025), a 59% decrease. Reported emissions went from 36 tCO₂e to 3 tCO₂e over the same span (down 90%).

What does an ENERGY STAR score of 51 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 51 means the building performs better than about 51% of its national peers. BuildingCensus bands the score into report-card grades; 51 falls in band D — lowest band (1–54). It sits 24 points below 75, the threshold for ENERGY STAR certification. In Seattle, 69% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. The Foundry's 19.0 kBtu/ft² across 31,360 sq ft works out to about 0.6 billion Btu (175 MWh-equivalent) in 2025. Its source EUI of 53.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 174,671 kWh of electricity for the year.

Which law requires The Foundry to report its energy use?

The Foundry reports under the Seattle Energy Benchmarking Ordinance (SMC 22.920), the legal basis of Seattle's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record seattle:26236:2025). 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.

More non-refrigerated warehouse buildings in Seattle

Frequently asked questions

What is The Foundry's energy grade?

The Foundry scores 51 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 The Foundry use?

Its 2025 site energy-use intensity was 19.0 kBtu/ft² (53.2 kBtu/ft² source) across 31,360 sq ft, including 174,671 kWh of electricity.

What are The Foundry's carbon emissions?

The Foundry reported 3 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025.

Where is The Foundry?

The Foundry is at 4130 1ST AVE S, in Seattle, Washington 98134. Its coordinates are 47.56610, -122.33358 (latitude, longitude), as published in the Building Energy Benchmarking file.

How big is The Foundry and when was it built?

The Foundry has 31,360 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1946 as its year built. It is classed as non-refrigerated warehouse.

Is The Foundry covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?

Yes — it appears in the 2025 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Seattle Energy Benchmarking Ordinance (SMC 22.920).

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About this data

Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “The Foundry, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/the-foundry-b10a913a (data as of October 2, 2026).