The Hannah Senesh School - 342 Smith st
K-12 School in New York City, NY · 342 Smith st · 11231
At a glance
The Hannah Senesh School - 342 Smith st is a 26,896-square-foot K-12 school in New York City, New York, built in 1971. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 52 out of 100 (grade D), a site energy-use intensity of 64.2 kBtu/ft² and 140 tCO₂e of greenhouse-gas emissions. That score is higher than 28% of the 2,052 scored K-12 school buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 52 (band D) |
| Site EUI | 64.2 kBtu/ft² |
| Source EUI | 124.2 kBtu/ft² |
| GHG emissions | 140 tCO₂e |
| GHG intensity | 5.2 kgCO₂e/ft² |
| Electricity | 256,010 kWh |
| Natural gas | 8,520 therms |
| Water use | 261 kgal |
| Gross floor area | 26,896 sq ft |
| Source record | nyc:6600785:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 52 | 64.2 kBtu/ft² | 140 tCO₂e | |
| 2022 | — | 79.6 kBtu/ft² | 143 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
- 342 Smith st
- City
- New York City
- State
- New York
- ZIP
- 11231
- Coordinates
- 40.67978, -73.99518
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does The Hannah Senesh School - 342 Smith 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. The Hannah Senesh School - 342 Smith st's ENERGY STAR score of 52 compares with an average of 64 across the 2,052 that report a score; it scores higher than 28% of them and lower than 71%. Its site EUI of 64.2 kBtu/ft² is roughly in line with the average of 61.3 kBtu/ft². Its emissions intensity of 5.2 kgCO₂e/ft² is roughly in line with the group average of 4.8 kgCO₂e/ft².
At 26,896 sq ft, it is about 73% below the average floor area of 101,338 sq ft for those buildings. It was built in 1971, 18 years later 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.
How has The Hannah Senesh School - 342 Smith st's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for The Hannah Senesh School - 342 Smith st, covering report years 2022–2023. Site EUI moved from 79.6 kBtu/ft² (2022) to 64.2 kBtu/ft² (2023), a 19% decrease. Reported emissions went from 143 tCO₂e to 140 tCO₂e over the same span (down 2%).
What does an ENERGY STAR score of 52 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 52 means the building performs better than about 52% of its national peers. BuildingCensus bands the score into report-card grades; 52 falls in band D — lowest band (1–54). It sits 23 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. The Hannah Senesh School - 342 Smith st's 64.2 kBtu/ft² across 26,896 sq ft works out to about 1.7 billion Btu (506 MWh-equivalent) in 2023. Its source EUI of 124.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 256,010 kWh of electricity, 8,520 therms of natural gas and 261 thousand gallons of water for the year.
Which law requires The Hannah Senesh School - 342 Smith st to report its energy use?
The Hannah Senesh School - 342 Smith 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:6600785:2023). 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
- 309 - Our Lady Star of the Sea - Elementary School· 26,852 sq ft
- Allen Stevenson School· 26,759 sq ft · score 3 (D)
- 262 ATLANTIC AVENUE· 26,733 sq ft · score 87 (A)
- R082 (OECID: 0500594; BBL: 5005430017)· 26,694 sq ft · score 54 (D)
- 43 - Sacred Heart - Barry Upper School· 26,628 sq ft
- 143 Waverly Avenue· 26,600 sq ft · score 94 (A)
- 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 The Hannah Senesh School - 342 Smith st's energy grade?
The Hannah Senesh School - 342 Smith st scores 52 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does The Hannah Senesh School - 342 Smith st use?
Its 2023 site energy-use intensity was 64.2 kBtu/ft² (124.2 kBtu/ft² source) across 26,896 sq ft, including 256,010 kWh of electricity and 8,520 therms of natural gas.
What are The Hannah Senesh School - 342 Smith st's carbon emissions?
The Hannah Senesh School - 342 Smith st reported 140 tCO₂e of greenhouse-gas emissions (5.2 kgCO₂e/ft²) for 2023.
Where is The Hannah Senesh School - 342 Smith st?
The Hannah Senesh School - 342 Smith st is in New York City, New York 11231. Its coordinates are 40.67978, -73.99518 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The Hannah Senesh School - 342 Smith st and when was it built?
The Hannah Senesh School - 342 Smith st has 26,896 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1971 as its year built. It is classed as K-12 school.
Is The Hannah Senesh School - 342 Smith 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).
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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, “The Hannah Senesh School - 342 Smith st, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-hannah-senesh-school-342-smith-st-cb96b197 (data as of October 2, 2026).