185 Montague Street

How does 185 Montague Street compare with other office buildings in New York City?

The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. 185 Montague Street's ENERGY STAR score of 34 compares with an average of 72 across the 2,519 that report a score; it scores higher than 9% of them and lower than 90%. Its site EUI of 87.7 kBtu/ft² is about 36% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.2 kgCO₂e/ft² is about 24% above the group average of 5.8 kgCO₂e/ft².

At 58,000 sq ft, it is about 72% below the average floor area of 205,440 sq ft for those buildings. It was built in 1929, 11 years earlier than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².

How has 185 Montague Street's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for 185 Montague Street, covering report years 2022–2024. Its ENERGY STAR score went from 30 in 2022 to 34 in 2024 (+4 points). Site EUI moved from 94.4 kBtu/ft² (2022) to 87.7 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 370 tCO₂e to 418 tCO₂e over the same span (up 13%).

What does an ENERGY STAR score of 34 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 34 means the building performs better than about 34% of its national peers. BuildingCensus bands the score into report-card grades; 34 falls in band D — lowest band (1–54). It sits 41 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. 185 Montague Street's 87.7 kBtu/ft² across 58,000 sq ft works out to about 5.1 billion Btu (1,491 MWh-equivalent) in 2024. Its source EUI of 163.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 696,525 kWh of electricity, 27,112 therms of natural gas and 2,887 thousand gallons of water for the year.

Which law requires 185 Montague Street to report its energy use?

185 Montague Street 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:2652765:2024). 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.