1256 E 21 St
K-12 School in New York City, NY · 11210
At a glance
1256 E 21 St is a 41,832-square-foot K-12 school in New York City, New York, built in 1931. In its 2023 New York City benchmarking disclosure it reported 0 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | 0 tCO₂e |
| GHG intensity | 0.0 kgCO₂e/ft² |
| Water use | 609 kgal |
| Gross floor area | 41,832 sq ft |
| Source record | nyc:32485306:2023 |
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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1256 E 21 St
- City
- New York City
- State
- New York
- ZIP
- 11210
- Coordinates
- 40.62260, -73.95476
Within ~1 km
Nearby benchmarked buildings
K-12 School · 450,000 sq ft
- Dermot - The Vitagraphscore 96
Multifamily Housing · 387,739 sq ft
- 1401 Ocean Avenuescore —
Multifamily Housing · 232,031 sq ft
- MR: 1255 E 19th Stscore 65
Multifamily Housing · 169,691 sq ft
- NEW BEDFORD : 1602 AVENUE Iscore 100
Multifamily Housing · 159,858 sq ft
- NB:1602 AVENUE Iscore 86
Multifamily Housing · 159,858 sq ft
See also: most efficient in New York City · biggest emitters
How does 1256 E 21 St compare with other K-12 school buildings in New York City?
The latest disclosures cover 2,301 K-12 school buildings in New York City, out of 48,310 buildings citywide. Its emissions intensity of 0.0 kgCO₂e/ft² is about 100% below the group average of 4.8 kgCO₂e/ft².
At 41,832 sq ft, it is about 59% below the average floor area of 101,338 sq ft for those buildings. It was built in 1931, 22 years earlier than the group's average year built (1954). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².
Which law requires 1256 E 21 St to report its energy use?
1256 E 21 St 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:32485306:2023). 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.
More K-12 school buildings in New York City
- St Edmund Ch/Elem School 1902 Avenue T· 41,545 sq ft · score 100 (A)
- R005 (OECID: 0500031; BBL: 5065660001)· 41,460 sq ft · score 57 (C)
- Q269 (OECID: 0401569; BBL: 4028640036)· 41,460 sq ft · score 56 (C)
- Q882 (OECID: 0400309; BBL: 4096790067)· 41,460 sq ft · score 90 (A)
- Q892 (OECID: 0401789; BBL: 4109750001)· 41,381 sq ft · score 36 (D)
- Q273 (OECID: 0401687; BBL: 4092880101)· 41,234 sq ft · score 12 (D)
- K-12 School buildings in New York City· 2,301 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 1256 E 21 St's energy grade?
1256 E 21 St did not report an ENERGY STAR score in its 2023 disclosure.
How much energy does 1256 E 21 St use?
No energy-use intensity was reported for 2023.
What are 1256 E 21 St's carbon emissions?
1256 E 21 St reported 0 tCO₂e of greenhouse-gas emissions (0.0 kgCO₂e/ft²) for 2023.
Where is 1256 E 21 St?
1256 E 21 St is in New York City, New York 11210. Its coordinates are 40.62260, -73.95476 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 1256 E 21 St and when was it built?
1256 E 21 St has 41,832 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1931 as its year built. It is classed as K-12 school.
Is 1256 E 21 St covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
Working with New York City 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.
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, “1256 E 21 St, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/1256-e-21-st-95dc7794 (data as of October 2, 2026).