1800 & 1818 Ave. L
Multifamily Housing in New York City, NY · 1800 Avenue L · 11230
At a glance
1800 & 1818 Ave. L is a 105,300-square-foot multifamily housing building at 1800 Avenue L in New York City, New York, built in 1948. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 80 out of 100 (grade B), a site energy-use intensity of 67.3 kBtu/ft² and 435 tCO₂e of greenhouse-gas emissions. That score is higher than 63% 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 | 80 (band B) |
| Site EUI | 67.3 kBtu/ft² |
| Source EUI | 86.4 kBtu/ft² |
| GHG emissions | 435 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 277,497 kWh |
| Natural gas | 61,446 therms |
| Water use | 5,636 kgal |
| Gross floor area | 105,300 sq ft |
| Source record | nyc:6264462:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 80 | ±0 | 67.3 kBtu/ft² | 435 tCO₂e |
| 2023 | 80 | -1 | 65.6 kBtu/ft² | 419 tCO₂e |
| 2022 | 81 | 70.4 kBtu/ft² | 425 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
- 1800 Avenue L
- City
- New York City
- State
- New York
- ZIP
- 11230
- Coordinates
- 40.62072, -73.95749
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 1800 & 1818 Ave. L 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. 1800 & 1818 Ave. L's ENERGY STAR score of 80 compares with an average of 63 across the 22,829 that report a score; it scores higher than 63% of them and lower than 36%. Its site EUI of 67.3 kBtu/ft² is about 10% 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 4.1 kgCO₂e/ft² is about 21% below the group average of 5.2 kgCO₂e/ft².
At 105,300 sq ft, it is roughly in line with the average floor area of 100,951 sq ft for those buildings. It was built in 1948, 4 years earlier than 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 1800 & 1818 Ave. L's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 1800 & 1818 Ave. L, covering report years 2022–2024. Its ENERGY STAR score went from 81 in 2022 to 80 in 2024 (-1 points); its best year on file was 2022, at 81. Site EUI moved from 70.4 kBtu/ft² (2022) to 67.3 kBtu/ft² (2024), a 4% decrease. Reported emissions went from 425 tCO₂e to 435 tCO₂e over the same span (up 3%).
What does an ENERGY STAR score of 80 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 80 means the building performs better than about 80% of its national peers. BuildingCensus bands the score into report-card grades; 80 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. 1800 & 1818 Ave. L's 67.3 kBtu/ft² across 105,300 sq ft works out to about 7.1 billion Btu (2,077 MWh-equivalent) in 2024. Its source EUI of 86.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 277,497 kWh of electricity, 61,446 therms of natural gas and 5,636 thousand gallons of water for the year.
Which law requires 1800 & 1818 Ave. L to report its energy use?
1800 & 1818 Ave. L 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:6264462:2024). 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
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- 72-35 112th Street· 105,280 sq ft · score 76 (B)
- Charles Hill· 105,273 sq ft · score 43 (D)
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- NB:140 East 28th Street· 105,244 sq ft · score 53 (D)
- 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 1800 & 1818 Ave. L's energy grade?
1800 & 1818 Ave. L scores 80 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1800 & 1818 Ave. L use?
Its 2024 site energy-use intensity was 67.3 kBtu/ft² (86.4 kBtu/ft² source) across 105,300 sq ft, including 277,497 kWh of electricity and 61,446 therms of natural gas.
What are 1800 & 1818 Ave. L's carbon emissions?
1800 & 1818 Ave. L reported 435 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is 1800 & 1818 Ave. L?
1800 & 1818 Ave. L is at 1800 Avenue L, in New York City, New York 11230. Its coordinates are 40.62072, -73.95749 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 1800 & 1818 Ave. L and when was it built?
1800 & 1818 Ave. L has 105,300 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1948 as its year built. It is classed as multifamily housing.
Is 1800 & 1818 Ave. L 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, “1800 & 1818 Ave. L, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/1800-1818-ave-l-6c103ad5 (data as of October 2, 2026).