Rocklyn: 333 Hart St
Worship Facility in New York City, NY · 333 Hart St · 11209
At a glance
Rocklyn: 333 Hart St is a 30,793-square-foot worship facility in New York City, New York, built in 1900. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 6 out of 100 (grade D), a site energy-use intensity of 96.1 kBtu/ft² and 190 tCO₂e of greenhouse-gas emissions. That score is higher than 15% of the 224 scored worship facility buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 6 (band D) |
| Site EUI | 96.1 kBtu/ft² |
| Source EUI | 131.3 kBtu/ft² |
| GHG emissions | 190 tCO₂e |
| GHG intensity | 6.2 kgCO₂e/ft² |
| Electricity | 156,961 kWh |
| Natural gas | 24,236 therms |
| Water use | 314 kgal |
| Gross floor area | 30,793 sq ft |
| Source record | nyc:10550377:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 6 | -4 | 96.1 kBtu/ft² | 190 tCO₂e |
| 2023 | 10 | +6 | 81.5 kBtu/ft² | 162 tCO₂e |
| 2022 | 4 | 124.4 kBtu/ft² | 223 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
- 333 Hart St
- City
- New York City
- State
- New York
- ZIP
- 11209
- Coordinates
- 40.69450, -73.93729
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Rocklyn: 333 Hart St compare with other worship facility buildings in New York City?
The latest disclosures cover 370 worship facility buildings in New York City, out of 48,310 buildings citywide. Rocklyn: 333 Hart St's ENERGY STAR score of 6 compares with an average of 43 across the 224 that report a score; it scores higher than 15% of them and lower than 83%. Its site EUI of 96.1 kBtu/ft² is about 54% above the average of 62.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.2 kgCO₂e/ft² is about 34% above the group average of 4.6 kgCO₂e/ft².
At 30,793 sq ft, it is about 31% below the average floor area of 44,868 sq ft for those buildings. It was built in 1900, 37 years earlier than the group's average year built (1937). Across all 24 jurisdictions BuildingCensus covers, the 1,035 worship facility buildings average an ENERGY STAR score of 50 and a site EUI of 47.8 kBtu/ft².
How has Rocklyn: 333 Hart St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Rocklyn: 333 Hart St, covering report years 2022–2024. Its ENERGY STAR score went from 4 in 2022 to 6 in 2024 (+2 points); its best year on file was 2023, at 10. Site EUI moved from 124.4 kBtu/ft² (2022) to 96.1 kBtu/ft² (2024), a 23% decrease. Reported emissions went from 223 tCO₂e to 190 tCO₂e over the same span (down 14%).
What does an ENERGY STAR score of 6 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 6 means the building performs better than about 6% of its national peers. BuildingCensus bands the score into report-card grades; 6 falls in band D — lowest band (1–54). It sits 69 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% 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. Rocklyn: 333 Hart St's 96.1 kBtu/ft² across 30,793 sq ft works out to about 3 billion Btu (867 MWh-equivalent) in 2024. Its source EUI of 131.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 156,961 kWh of electricity, 24,236 therms of natural gas and 314 thousand gallons of water for the year.
Which law requires Rocklyn: 333 Hart St to report its energy use?
Rocklyn: 333 Hart 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:10550377:2024). 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 worship facility buildings in New York City
- St Matthias Church 58-15 Catalpa Ave· 30,742 sq ft · score 68 (C)
- 360 WEST END AVENUE· 30,652 sq ft · score 53 (D)
- Sacred Heard Church - 981 Castleton Ave· 30,636 sq ft · score 55 (C)
- 0340-Our Lady Mt Carmel - Church· 30,580 sq ft · score 53 (D)
- 259 West 123 Street· 30,300 sq ft · score 24 (D)
- 123 WALLABOUT STREET· 30,296 sq ft · score 1 (D)
- Worship Facility buildings in New York City· 370 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 Rocklyn: 333 Hart St's energy grade?
Rocklyn: 333 Hart St scores 6 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Rocklyn: 333 Hart St use?
Its 2024 site energy-use intensity was 96.1 kBtu/ft² (131.3 kBtu/ft² source) across 30,793 sq ft, including 156,961 kWh of electricity and 24,236 therms of natural gas.
What are Rocklyn: 333 Hart St's carbon emissions?
Rocklyn: 333 Hart St reported 190 tCO₂e of greenhouse-gas emissions (6.2 kgCO₂e/ft²) for 2024.
Where is Rocklyn: 333 Hart St?
Rocklyn: 333 Hart St is in New York City, New York 11209. Its coordinates are 40.69450, -73.93729 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Rocklyn: 333 Hart St and when was it built?
Rocklyn: 333 Hart St has 30,793 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as worship facility.
Is Rocklyn: 333 Hart 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, “Rocklyn: 333 Hart St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/rocklyn-333-hart-st-3985e030 (data as of October 2, 2026).