1042 45 STREET
Multifamily Housing in New York City, NY · 1042 45 ST · 11219
At a glance
1042 45 STREET is a 28,000-square-foot multifamily housing building in New York City, New York, built in 1921. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 64 out of 100 (grade C), a site energy-use intensity of 98.3 kBtu/ft² and 170 tCO₂e of greenhouse-gas emissions. That score is higher than 44% 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 | 64 (band C) |
| Site EUI | 98.3 kBtu/ft² |
| Source EUI | 130.3 kBtu/ft² |
| GHG emissions | 170 tCO₂e |
| GHG intensity | 6.1 kgCO₂e/ft² |
| Electricity | 126,739 kWh |
| Natural gas | 23,213 therms |
| Gross floor area | 28,000 sq ft |
| Source record | nyc:26532800:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 64 | +5 | 98.3 kBtu/ft² | 170 tCO₂e |
| 2022 | 59 | 108.4 kBtu/ft² | 177 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
- 1042 45 ST
- City
- New York City
- State
- New York
- ZIP
- 11219
- Coordinates
- 40.64068, -73.99547
Within ~1 km
Nearby benchmarked buildings
- Maimonides - Main Campusscore 60
Hospital (General Medical & Surgical) · 895,621 sq ft
- Maimonides - 1024 48th Streetscore 100
Hospital (General Medical & Surgical) · 530,470 sq ft
- Boro Park Centerscore —
Residential Care Facility · 292,230 sq ft
- 4723 10th Avenue - datascore —
Parking · 226,000 sq ft
- 938-980 48th Streetscore 2
Hospital (General Medical & Surgical) · 196,205 sq ft
- BYBP & Sefardscore 71
K-12 School · 159,428 sq ft
See also: most efficient in New York City · biggest emitters
How does 1042 45 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. 1042 45 STREET's ENERGY STAR score of 64 compares with an average of 63 across the 22,829 that report a score; it scores higher than 44% of them and lower than 55%. Its site EUI of 98.3 kBtu/ft² is about 31% 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 6.1 kgCO₂e/ft² is about 17% above the group average of 5.2 kgCO₂e/ft².
At 28,000 sq ft, it is about 72% below the average floor area of 100,951 sq ft for those buildings. It was built in 1921, 31 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 1042 45 STREET's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 1042 45 STREET, covering report years 2022–2023. Its ENERGY STAR score went from 59 in 2022 to 64 in 2023 (+5 points). Site EUI moved from 108.4 kBtu/ft² (2022) to 98.3 kBtu/ft² (2023), a 9% decrease. Reported emissions went from 177 tCO₂e to 170 tCO₂e over the same span (down 4%).
What does an ENERGY STAR score of 64 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 64 means the building performs better than about 64% of its national peers. BuildingCensus bands the score into report-card grades; 64 falls in band C — below median (55–69). It sits 11 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. 1042 45 STREET's 98.3 kBtu/ft² across 28,000 sq ft works out to about 2.8 billion Btu (807 MWh-equivalent) in 2023. Its source EUI of 130.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 126,739 kWh of electricity and 23,213 therms of natural gas for the year.
Which law requires 1042 45 STREET to report its energy use?
1042 45 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 2023 disclosure (source record nyc:26532800:2023). 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
- Colby: 999 Forest Ave· 27,998 sq ft · score 19 (D)
- 607 West 190th Street· 27,995 sq ft · score 86 (A)
- 53 East 131st Street· 27,990 sq ft · score 100 (A)
- 75 First Ave. Club LLC· 27,985 sq ft · score 100 (A)
- 660 Bergen Street· 27,981 sq ft · score 69 (C)
- 397 West 12th Street· 27,978 sq ft · EUI 126.4 kBtu/ft²
- 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 1042 45 STREET's energy grade?
1042 45 STREET scores 64 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1042 45 STREET use?
Its 2023 site energy-use intensity was 98.3 kBtu/ft² (130.3 kBtu/ft² source) across 28,000 sq ft, including 126,739 kWh of electricity and 23,213 therms of natural gas.
What are 1042 45 STREET's carbon emissions?
1042 45 STREET reported 170 tCO₂e of greenhouse-gas emissions (6.1 kgCO₂e/ft²) for 2023.
Where is 1042 45 STREET?
1042 45 STREET is in New York City, New York 11219. Its coordinates are 40.64068, -73.99547 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 1042 45 STREET and when was it built?
1042 45 STREET has 28,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1921 as its year built. It is classed as multifamily housing.
Is 1042 45 STREET 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, “1042 45 STREET, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/1042-45-street-aefd1d1b (data as of October 2, 2026).