Yellowstone Properties - 721 Walton ave

How does Yellowstone Properties - 721 Walton 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. Yellowstone Properties - 721 Walton ave's ENERGY STAR score of 19 compares with an average of 63 across the 22,829 that report a score; it scores higher than 11% of them and lower than 88%. Its site EUI of 104.1 kBtu/ft² is about 39% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.4 kgCO₂e/ft² is about 23% above the group average of 5.2 kgCO₂e/ft².

At 112,854 sq ft, it is about 12% above the average floor area of 100,951 sq ft for those buildings. It was built in 1928, 24 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 Yellowstone Properties - 721 Walton ave's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for Yellowstone Properties - 721 Walton ave, covering report years 2022–2024. Its ENERGY STAR score went from 32 in 2022 to 19 in 2024 (-13 points); its best year on file was 2022, at 32. Site EUI moved from 97.2 kBtu/ft² (2022) to 104.1 kBtu/ft² (2024), an 7% increase. Reported emissions went from 630 tCO₂e to 722 tCO₂e over the same span (up 15%).

What does an ENERGY STAR score of 19 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 19 means the building performs better than about 19% of its national peers. BuildingCensus bands the score into report-card grades; 19 falls in band D — lowest band (1–54). It sits 56 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. Yellowstone Properties - 721 Walton ave's 104.1 kBtu/ft² across 112,854 sq ft works out to about 11.7 billion Btu (3,443 MWh-equivalent) in 2024. Its source EUI of 133.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 463,364 kWh of electricity, 101,708 therms of natural gas and 11,918 thousand gallons of water for the year.

Which law requires Yellowstone Properties - 721 Walton ave to report its energy use?

Yellowstone Properties - 721 Walton 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:16816034:2024). 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.