Martin Gelfand: 835 Ocean Ave
Multifamily Housing in New York City, NY · 835 Ocean Ave · 11226
At a glance
Martin Gelfand: 835 Ocean Ave is a 95,037-square-foot multifamily housing building in New York City, New York, built in 1953. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 59 out of 100 (grade C), a site energy-use intensity of 78.7 kBtu/ft² and 475 tCO₂e of greenhouse-gas emissions. That score is higher than 40% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 59 (band C) |
| Site EUI | 78.7 kBtu/ft² |
| Source EUI | 104.5 kBtu/ft² |
| GHG emissions | 475 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 349,053 kWh |
| Natural gas | 60,750 therms |
| Water use | 8,681 kgal |
| Gross floor area | 95,037 sq ft |
| Source record | nyc:3856179:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 59 | ±0 | 78.7 kBtu/ft² | 475 tCO₂e |
| 2023 | 59 | -6 | 77.2 kBtu/ft² | 460 tCO₂e |
| 2022 | 65 | 78.8 kBtu/ft² | 441 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
- 835 Ocean Ave
- City
- New York City
- State
- New York
- ZIP
- 11226
- Coordinates
- 40.64227, -73.95952
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Martin Gelfand: 835 Ocean Ave 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. Martin Gelfand: 835 Ocean Ave's ENERGY STAR score of 59 compares with an average of 63 across the 22,829 that report a score; it scores higher than 40% of them and lower than 59%. Its site EUI of 78.7 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.0 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 95,037 sq ft, it is roughly in line with 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 Martin Gelfand: 835 Ocean Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Martin Gelfand: 835 Ocean Ave, covering report years 2022–2024. Its ENERGY STAR score went from 65 in 2022 to 59 in 2024 (-6 points); its best year on file was 2022, at 65. Site EUI moved from 78.8 kBtu/ft² (2022) to 78.7 kBtu/ft² (2024), a 0% decrease. Reported emissions went from 441 tCO₂e to 475 tCO₂e over the same span (up 8%).
What does an ENERGY STAR score of 59 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 59 means the building performs better than about 59% of its national peers. BuildingCensus bands the score into report-card grades; 59 falls in band C — below median (55–69). It sits 16 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. Martin Gelfand: 835 Ocean Ave's 78.7 kBtu/ft² across 95,037 sq ft works out to about 7.5 billion Btu (2,192 MWh-equivalent) in 2024. Its source EUI of 104.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 349,053 kWh of electricity, 60,750 therms of natural gas and 8,681 thousand gallons of water for the year.
Which law requires Martin Gelfand: 835 Ocean Ave to report its energy use?
Martin Gelfand: 835 Ocean Ave 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:3856179:2024). 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
- 799 8 AVENUE, Manhattan.· 95,026 sq ft · score 59 (C)
- 308 EAST 38 STREET· 95,015 sq ft · score 46 (D)
- 3093 Brighton 4th St· 95,004 sq ft · score 76 (B)
- 10-40 Neilson Street Owners Corp.· 95,001 sq ft · score 87 (A)
- Abro - 110 Seaman Avenue· 95,000 sq ft · score 87 (A)
- Golda Rivka LLC / 210 West 262 Street· 95,000 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 Martin Gelfand: 835 Ocean Ave's energy grade?
Martin Gelfand: 835 Ocean Ave scores 59 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Martin Gelfand: 835 Ocean Ave use?
Its 2024 site energy-use intensity was 78.7 kBtu/ft² (104.5 kBtu/ft² source) across 95,037 sq ft, including 349,053 kWh of electricity and 60,750 therms of natural gas.
What are Martin Gelfand: 835 Ocean Ave's carbon emissions?
Martin Gelfand: 835 Ocean Ave reported 475 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2024.
Where is Martin Gelfand: 835 Ocean Ave?
Martin Gelfand: 835 Ocean Ave is in New York City, New York 11226. Its coordinates are 40.64227, -73.95952 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Martin Gelfand: 835 Ocean Ave and when was it built?
Martin Gelfand: 835 Ocean Ave has 95,037 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 Martin Gelfand: 835 Ocean Ave 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, “Martin Gelfand: 835 Ocean Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/martin-gelfand-835-ocean-ave-d09d1214 (data as of October 2, 2026).