Marine Terrace (mc68) - Building 6 & 8
Multifamily Housing in New York City, NY · 20-18 20th Street · 11105
At a glance
Marine Terrace (mc68) - Building 6 & 8 is a 65,690-square-foot multifamily housing building at 20-18 20th Street in New York City, New York, built in 1975. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 23 out of 100 (grade D), a site energy-use intensity of 95.5 kBtu/ft² and 391 tCO₂e of greenhouse-gas emissions. That score is higher than 13% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 23 (band D) |
| Site EUI | 95.5 kBtu/ft² |
| Source EUI | 127.9 kBtu/ft² |
| GHG emissions | 391 tCO₂e |
| GHG intensity | 6.0 kgCO₂e/ft² |
| Electricity | 304,456 kWh |
| Natural gas | 52,338 therms |
| Water use | 5,201 kgal |
| Gross floor area | 65,690 sq ft |
| Source record | nyc:6786858:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 23 | -52 | 95.5 kBtu/ft² | 391 tCO₂e |
| 2022 | 75 | 75.1 kBtu/ft² | 281 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 20-18 20th Street
- City
- New York City
- State
- New York
- ZIP
- 11105
- Coordinates
- 40.78408, -73.91376
Within ~1 km
Nearby benchmarked buildings
Distribution Center · 497,653 sq ft
- AKAM - 21-05 33rd Streetscore —
Multifamily Housing · 434,413 sq ft
- Marine Terrace (mc68)score —
Multifamily Housing · 416,021 sq ft
- St Johns Preparatory High Schoolscore 96
K-12 School · 348,071 sq ft
- Benchmarking Group - 9score —
Other - Public Services · 347,754 sq ft
Self-Storage Facility · 175,200 sq ft
See also: most efficient in New York City · biggest emitters
How does Marine Terrace (mc68) - Building 6 & 8 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. Marine Terrace (mc68) - Building 6 & 8's ENERGY STAR score of 23 compares with an average of 63 across the 22,829 that report a score; it scores higher than 13% of them and lower than 86%. Its site EUI of 95.5 kBtu/ft² is about 28% 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 6.0 kgCO₂e/ft² is about 15% above the group average of 5.2 kgCO₂e/ft².
At 65,690 sq ft, it is about 35% below the average floor area of 100,951 sq ft for those buildings. It was built in 1975, 23 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 Marine Terrace (mc68) - Building 6 & 8's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Marine Terrace (mc68) - Building 6 & 8, covering report years 2022–2023. Its ENERGY STAR score went from 75 in 2022 to 23 in 2023 (-52 points); its best year on file was 2022, at 75. Site EUI moved from 75.1 kBtu/ft² (2022) to 95.5 kBtu/ft² (2023), an 27% increase. Reported emissions went from 281 tCO₂e to 391 tCO₂e over the same span (up 39%).
What does an ENERGY STAR score of 23 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 23 means the building performs better than about 23% of its national peers. BuildingCensus bands the score into report-card grades; 23 falls in band D — lowest band (1–54). It sits 52 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. Marine Terrace (mc68) - Building 6 & 8's 95.5 kBtu/ft² across 65,690 sq ft works out to about 6.3 billion Btu (1,839 MWh-equivalent) in 2023. Its source EUI of 127.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 304,456 kWh of electricity, 52,338 therms of natural gas and 5,201 thousand gallons of water for the year.
Which law requires Marine Terrace (mc68) - Building 6 & 8 to report its energy use?
Marine Terrace (mc68) - Building 6 & 8 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 2023 disclosure (source record nyc:6786858:2023). 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
- 99-34 67th Rd· 65,687 sq ft · score 47 (D)
- 1055 JEROME AVENUE· 65,667 sq ft · score 38 (D)
- 1055 Jerome Avenue· 65,667 sq ft
- La Rive Condominium (2521 Palisade Avenue)· 65,667 sq ft · score 100 (A)
- 1055 Jerome Avenue· 65,667 sq ft · score 44 (D)
- 330 East 70th Street Tenants Corp (330 East 70 Street)· 65,666 sq ft · score 85 (A)
- 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 Marine Terrace (mc68) - Building 6 & 8's energy grade?
Marine Terrace (mc68) - Building 6 & 8 scores 23 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Marine Terrace (mc68) - Building 6 & 8 use?
Its 2023 site energy-use intensity was 95.5 kBtu/ft² (127.9 kBtu/ft² source) across 65,690 sq ft, including 304,456 kWh of electricity and 52,338 therms of natural gas.
What are Marine Terrace (mc68) - Building 6 & 8's carbon emissions?
Marine Terrace (mc68) - Building 6 & 8 reported 391 tCO₂e of greenhouse-gas emissions (6.0 kgCO₂e/ft²) for 2023.
Where is Marine Terrace (mc68) - Building 6 & 8?
Marine Terrace (mc68) - Building 6 & 8 is at 20-18 20th Street, in New York City, New York 11105. Its coordinates are 40.78408, -73.91376 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Marine Terrace (mc68) - Building 6 & 8 and when was it built?
Marine Terrace (mc68) - Building 6 & 8 has 65,690 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1975 as its year built. It is classed as multifamily housing.
Is Marine Terrace (mc68) - Building 6 & 8 covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Marine Terrace (mc68) - Building 6 & 8, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/marine-terrace-mc68-building-6-8-514368b4 (data as of October 2, 2026).