Test Tenant Office Space
Office in New York City, NY · 421 Humboldt Street · 11211
At a glance
Test Tenant Office Space is a 210,000-square-foot office building at 421 Humboldt Street in New York City, New York, built in 1935. It is listed in the 2023 Energy and Water Data Disclosure disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year.
No energy data reported for 2023
Test Tenant Office Space appears in the 2023 Energy and Water Data Disclosure disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year.
Floor area on file: 210,000 sq ft · Built 1935
Source record nyc:17626530:2023
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 421 Humboldt Street
- City
- New York City
- State
- New York
- ZIP
- 11211
- Coordinates
- 40.71691, -73.94308
Within ~1 km
Nearby benchmarked buildings
- WILLIAMSBURGscore 99
Multifamily Housing · 1,487,900 sq ft
- Williamsburg Houses: CAMPUSscore 11
Multifamily Housing · 1,468,900 sq ft
- COOPER PARKscore 10
Multifamily Housing · 635,100 sq ft
K-12 School · 504,000 sq ft
- 597 Grand Streetscore 100
Multifamily Housing · 190,394 sq ft
K-12 School · 186,000 sq ft
See also: most efficient in New York City · biggest emitters
Which law requires Test Tenant Office Space to report its energy use?
Test Tenant Office Space reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record nyc:17626530:2023). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
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- 250 West 39th Street· 208,218 sq ft · score 99 (A)
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- Office buildings in New York City· 3,384 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is Test Tenant Office Space's energy grade?
Test Tenant Office Space has no grade: it did not report energy data for 2023. The 2023 Energy and Water Data Disclosure disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is Test Tenant Office Space?
Test Tenant Office Space is at 421 Humboldt Street, in New York City, New York 11211. Its coordinates are 40.71691, -73.94308 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Test Tenant Office Space, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/test-tenant-office-space-812756dc (data as of October 2, 2026).