Century - 306 Gold Street
Multifamily Housing in New York City, NY · 155 FLATBUSH AVENUE EXTENSION · 11201
At a glance
Century - 306 Gold Street is a 355,627-square-foot multifamily housing building at 155 FLATBUSH AVENUE EXTENSION in New York City, New York, built in 2005. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 50.7 kBtu/ft² and 1,545 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 50.7 kBtu/ft² |
| Source EUI | 99.9 kBtu/ft² |
| GHG emissions | 1,545 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 2,778,008 kWh |
| Natural gas | 85,547 therms |
| Water use | 13,389 kgal |
| Gross floor area | 355,627 sq ft |
| Source record | nyc:5863320:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 50.7 kBtu/ft² | 1,545 tCO₂e | |
| 2023 | 65 | -1 | 48.9 kBtu/ft² | 1,612 tCO₂e |
| 2022 | 66 | 51.9 kBtu/ft² | 1,444 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
- 155 FLATBUSH AVENUE EXTENSION
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.69500, -73.98400
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Century - 306 Gold Street 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. Its site EUI of 50.7 kBtu/ft² is about 32% 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 4.3 kgCO₂e/ft² is about 16% below the group average of 5.2 kgCO₂e/ft².
At 355,627 sq ft, it is about 252% above the average floor area of 100,951 sq ft for those buildings. It was built in 2005, 53 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 Century - 306 Gold Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Century - 306 Gold Street, covering report years 2022–2024. Its ENERGY STAR score went from 66 in 2022 to 65 in 2023 (-1 points); its best year on file was 2022, at 66. Site EUI moved from 51.9 kBtu/ft² (2022) to 50.7 kBtu/ft² (2024), a 2% decrease. Reported emissions went from 1,444 tCO₂e to 1,545 tCO₂e over the same span (up 7%).
What does a site EUI of 50.7 kBtu/ft² mean?
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. Century - 306 Gold Street's 50.7 kBtu/ft² across 355,627 sq ft works out to about 18 billion Btu (5,284 MWh-equivalent) in 2024. Its source EUI of 99.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,778,008 kWh of electricity, 85,547 therms of natural gas and 13,389 thousand gallons of water for the year.
Which law requires Century - 306 Gold Street to report its energy use?
Century - 306 Gold 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:5863320:2024). 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.
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- 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 Century - 306 Gold Street's energy grade?
Century - 306 Gold Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 50.7 kBtu/ft².
How much energy does Century - 306 Gold Street use?
Its 2024 site energy-use intensity was 50.7 kBtu/ft² (99.9 kBtu/ft² source) across 355,627 sq ft, including 2,778,008 kWh of electricity and 85,547 therms of natural gas.
What are Century - 306 Gold Street's carbon emissions?
Century - 306 Gold Street reported 1,545 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is Century - 306 Gold Street?
Century - 306 Gold Street is at 155 FLATBUSH AVENUE EXTENSION, in New York City, New York 11201. Its coordinates are 40.69500, -73.98400 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Century - 306 Gold Street and when was it built?
Century - 306 Gold Street has 355,627 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2005 as its year built. It is classed as multifamily housing.
Is Century - 306 Gold Street 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, “Century - 306 Gold Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/century-306-gold-street-911caf55 (data as of October 2, 2026).