Brigham Park Section 2 Association (2271 Knapp St)
Multifamily Housing in New York City, NY · 2271 Knapp St · 11229
At a glance
Brigham Park Section 2 Association (2271 Knapp St) is a 64,353-square-foot multifamily housing building in New York City, New York, built in 1953. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 2.8 kBtu/ft² and 9 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 2.8 kBtu/ft² |
| Source EUI | 2.9 kBtu/ft² |
| GHG emissions | 9 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Natural gas | 1,771 therms |
| Gross floor area | 64,353 sq ft |
| Source record | nyc:6770798:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 2.8 kBtu/ft² | 9 tCO₂e | |
| 2023 | — | 187300.0 kBtu/ft² | 10 tCO₂e |
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
- 2271 Knapp St
- City
- New York City
- State
- New York
- ZIP
- 11229
- Coordinates
- 40.59787, -73.93361
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Brigham Park Section 2 Association (2271 Knapp St) compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 2.8 kBtu/ft² is about 96% below the average of 74.9 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 97% below the group average of 5.2 kgCO₂e/ft².
At 64,353 sq ft, it is about 36% below the average floor area of 100,951 sq ft for those buildings. Its 1953 construction date is close to the group's average year built (1952). 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 Brigham Park Section 2 Association (2271 Knapp St)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Brigham Park Section 2 Association (2271 Knapp St), covering report years 2023–2024. Only 2 of those years carry energy figures.
What does a site EUI of 2.8 kBtu/ft² mean?
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. Brigham Park Section 2 Association (2271 Knapp St)'s 2.8 kBtu/ft² across 64,353 sq ft works out to about 0.2 billion Btu (53 MWh-equivalent) in 2024. Its source EUI of 2.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,771 therms of natural gas for the year.
Which law requires Brigham Park Section 2 Association (2271 Knapp St) to report its energy use?
Brigham Park Section 2 Association (2271 Knapp 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 2024 disclosure (source record nyc:6770798:2024). 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 multifamily housing buildings in New York City
- 151 East 78th Street Condominium (151 East 78th Street)· 64,351 sq ft · EUI 54.2 kBtu/ft²
- 1502 52 Street Realty Corp.· 64,350 sq ft · score 96 (A)
- 120 East 89th Street· 64,344 sq ft · score 41 (D)
- Katz: 112-41 72nd Road· 64,339 sq ft · score 72 (B)
- 238 Fort Washington Ave· 64,337 sq ft · score 94 (A)
- 595 West End Avenue Condominium (595 West End Ave)· 64,334 sq ft · score 60 (C)
- Multifamily Housing buildings in New York City· 33,022 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 Brigham Park Section 2 Association (2271 Knapp St)'s energy grade?
Brigham Park Section 2 Association (2271 Knapp St) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 2.8 kBtu/ft².
How much energy does Brigham Park Section 2 Association (2271 Knapp St) use?
Its 2024 site energy-use intensity was 2.8 kBtu/ft² (2.9 kBtu/ft² source) across 64,353 sq ft and 1,771 therms of natural gas.
What are Brigham Park Section 2 Association (2271 Knapp St)'s carbon emissions?
Brigham Park Section 2 Association (2271 Knapp St) reported 9 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2024.
Where is Brigham Park Section 2 Association (2271 Knapp St)?
Brigham Park Section 2 Association (2271 Knapp St) is in New York City, New York 11229. Its coordinates are 40.59787, -73.93361 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Brigham Park Section 2 Association (2271 Knapp St) and when was it built?
Brigham Park Section 2 Association (2271 Knapp St) has 64,353 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1953 as its year built. It is classed as multifamily housing.
Is Brigham Park Section 2 Association (2271 Knapp St) covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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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, “Brigham Park Section 2 Association (2271 Knapp St), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/brigham-park-section-2-association-2271-knapp-st-c8f7cedf (data as of October 2, 2026).