Lafayette Nelson Apartment LLC 820 Colgate Ave.

How does Lafayette Nelson Apartment LLC 820 Colgate 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. Lafayette Nelson Apartment LLC 820 Colgate Ave.'s ENERGY STAR score of 27 compares with an average of 63 across the 22,829 that report a score; it scores higher than 16% of them and lower than 84%. Its site EUI of 80.9 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 6.2 kgCO₂e/ft² is about 20% above the group average of 5.2 kgCO₂e/ft².

At 267,425 sq ft, it is about 165% above the average floor area of 100,951 sq ft for those buildings. It was built in 1969, 17 years later 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 Lafayette Nelson Apartment LLC 820 Colgate Ave.'s energy performance changed over time?

BuildingCensus holds 2 New York City disclosures for Lafayette Nelson Apartment LLC 820 Colgate Ave., covering report years 2023–2024. Its ENERGY STAR score went from 25 in 2023 to 27 in 2024 (+2 points). Site EUI moved from 80.9 kBtu/ft² (2023) to 80.9 kBtu/ft² (2024), an 0% increase. Reported emissions went from 1,603 tCO₂e to 1,666 tCO₂e over the same span (up 4%).

What does an ENERGY STAR score of 27 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 27 means the building performs better than about 27% of its national peers. BuildingCensus bands the score into report-card grades; 27 falls in band D — lowest band (1–54). It sits 48 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. Lafayette Nelson Apartment LLC 820 Colgate Ave.'s 80.9 kBtu/ft² across 267,425 sq ft works out to about 21.6 billion Btu (6,341 MWh-equivalent) in 2024. Its source EUI of 139.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,443,317 kWh of electricity, 132,959 therms of natural gas and 25,868 thousand gallons of water for the year.

Which law requires Lafayette Nelson Apartment LLC 820 Colgate Ave. to report its energy use?

Lafayette Nelson Apartment LLC 820 Colgate 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:2710964:2024). 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.