BuildingCensus
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3030 Lake City (Building B, C, D, E)

Multifamily Housing in Seattle, WA · 3101 NE 145TH ST · 98155

At a glance

3030 Lake City (Building B, C, D, E) is a 72,671-square-foot multifamily housing building at 3101 NE 145TH ST in Seattle, Washington, built in 1975.

ENERGY STAR score
—
not reported · 2025
Site EUI
—
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
72,671
sq ft
Year built
1975
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 score—
Site EUI—
Source EUI—
GHG emissions—
GHG intensity—
Electricity612,718 kWh
Gross floor area72,671 sq ft
Source recordseattle:23495:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest———
202457+236.0 kBtu/ft²14 tCO₂e
202355-336.8 kBtu/ft²15 tCO₂e
202258-4236.8 kBtu/ft²14 tCO₂e
2021100+3720.0 kBtu/ft²14 tCO₂e
202063-434.6 kBtu/ft²16 tCO₂e
201967+834.2 kBtu/ft²16 tCO₂e
201859+1635.8 kBtu/ft²17 tCO₂e
201743-338.9 kBtu/ft²15 tCO₂e
201646+1335.4 kBtu/ft²14 tCO₂e
20153334.5 kBtu/ft²14 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
3101 NE 145TH ST
State
Washington
ZIP
98155
Coordinates
47.73357, -122.29501

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Seattle · biggest emitters

How does 3030 Lake City (Building B, C, D, E) compare with other multifamily housing buildings in Seattle?

The latest disclosures cover 1,971 multifamily housing buildings in Seattle, out of 3,871 buildings citywide.

At 72,671 sq ft, it is about 16% below the average floor area of 86,468 sq ft for those buildings. It was built in 1975, 8 years earlier than the group's average year built (1983). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has 3030 Lake City (Building B, C, D, E)'s energy performance changed over time?

BuildingCensus holds 11 Seattle disclosures for 3030 Lake City (Building B, C, D, E), covering report years 2015–2025. Its ENERGY STAR score went from 33 in 2015 to 57 in 2024 (+24 points); its best year on file was 2021, at 100. Site EUI moved from 34.5 kBtu/ft² (2015) to 36.0 kBtu/ft² (2024), an 4% increase. Reported emissions went from 14 tCO₂e to 14 tCO₂e over the same span (up 3%).

Which law requires 3030 Lake City (Building B, C, D, E) to report its energy use?

3030 Lake City (Building B, C, D, E) 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:23495:2025). 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 multifamily housing buildings in Seattle

Frequently asked questions

What is 3030 Lake City (Building B, C, D, E)'s energy grade?

3030 Lake City (Building B, C, D, E) did not report an ENERGY STAR score in its 2025 disclosure.

How much energy does 3030 Lake City (Building B, C, D, E) use?

No energy-use intensity was reported for 2025.

What are 3030 Lake City (Building B, C, D, E)'s carbon emissions?

No greenhouse-gas emissions figure was reported for 2025.

Where is 3030 Lake City (Building B, C, D, E)?

3030 Lake City (Building B, C, D, E) is at 3101 NE 145TH ST, in Seattle, Washington 98155. Its coordinates are 47.73357, -122.29501 (latitude, longitude), as published in the Building Energy Benchmarking file.

How big is 3030 Lake City (Building B, C, D, E) and when was it built?

3030 Lake City (Building B, C, D, E) has 72,671 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1975 as its year built. It is classed as multifamily housing.

Is 3030 Lake City (Building B, C, D, E) 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, “3030 Lake City (Building B, C, D, E), Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/3030-lake-city-building-b-c-d-e-cef3e971 (data as of October 2, 2026).