RUDD REALTY MANAGEMENT CORP : 605 Park Avenue
Multifamily Housing in New York City, NY · 605 Park Avenue · 10065
At a glance
RUDD REALTY MANAGEMENT CORP : 605 Park Avenue is a 180,000-square-foot multifamily housing building in New York City, New York, built in 1950. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 66 out of 100 (grade C), a site energy-use intensity of 65.6 kBtu/ft² and 818 tCO₂e of greenhouse-gas emissions. That score is higher than 46% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 66 (band C) |
| Site EUI | 65.6 kBtu/ft² |
| Source EUI | 98.9 kBtu/ft² |
| GHG emissions | 818 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 905,672 kWh |
| Natural gas | 87,138 therms |
| Gross floor area | 180,000 sq ft |
| Source record | nyc:21377853:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 66 | -4 | 65.6 kBtu/ft² | 818 tCO₂e |
| 2023 | 70 | +1 | 63.3 kBtu/ft² | 765 tCO₂e |
| 2022 | 69 | 68.7 kBtu/ft² | 754 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
- 605 Park Avenue
- City
- New York City
- State
- New York
- ZIP
- 10065
- Coordinates
- 40.76623, -73.96737
Within ~1 km
Nearby benchmarked buildings
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- 9 W 57th Streetscore —
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- 919 Third Avenuescore —
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See also: most efficient in New York City · biggest emitters
How does RUDD REALTY MANAGEMENT CORP : 605 Park Avenue 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. RUDD REALTY MANAGEMENT CORP : 605 Park Avenue's ENERGY STAR score of 66 compares with an average of 63 across the 22,829 that report a score; it scores higher than 46% of them and lower than 52%. Its site EUI of 65.6 kBtu/ft² is about 12% 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 4.5 kgCO₂e/ft² is about 13% below the group average of 5.2 kgCO₂e/ft².
At 180,000 sq ft, it is about 78% above the average floor area of 100,951 sq ft for those buildings. Its 1950 construction date is close to 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 RUDD REALTY MANAGEMENT CORP : 605 Park Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for RUDD REALTY MANAGEMENT CORP : 605 Park Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 69 in 2022 to 66 in 2024 (-3 points); its best year on file was 2023, at 70. Site EUI moved from 68.7 kBtu/ft² (2022) to 65.6 kBtu/ft² (2024), a 5% decrease. Reported emissions went from 754 tCO₂e to 818 tCO₂e over the same span (up 9%).
What does an ENERGY STAR score of 66 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 66 means the building performs better than about 66% of its national peers. BuildingCensus bands the score into report-card grades; 66 falls in band C — below median (55–69). It sits 9 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. RUDD REALTY MANAGEMENT CORP : 605 Park Avenue's 65.6 kBtu/ft² across 180,000 sq ft works out to about 11.8 billion Btu (3,461 MWh-equivalent) in 2024. Its source EUI of 98.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 905,672 kWh of electricity and 87,138 therms of natural gas for the year.
Which law requires RUDD REALTY MANAGEMENT CORP : 605 Park Avenue to report its energy use?
RUDD REALTY MANAGEMENT CORP : 605 Park Avenue 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:21377853:2024). 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.
More multifamily housing buildings in New York City
- 360 CPW Condominium· 179,952 sq ft · score 85 (A)
- 345 St Anns Avenue· 179,921 sq ft · score 67 (C)
- The Botanica· 179,654 sq ft · score 100 (A)
- Copy of SKA Marin - 1922 Second Avenue / 301 East 99th Street· 179,610 sq ft · score 81 (B)
- SKA Marin - 1922 Second Avenue / 301 East 99th Street· 179,610 sq ft · EUI 48.0 kBtu/ft²
- Benjamin: 86-02 208 St (Parent)· 179,606 sq ft
- 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 RUDD REALTY MANAGEMENT CORP : 605 Park Avenue's energy grade?
RUDD REALTY MANAGEMENT CORP : 605 Park Avenue scores 66 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does RUDD REALTY MANAGEMENT CORP : 605 Park Avenue use?
Its 2024 site energy-use intensity was 65.6 kBtu/ft² (98.9 kBtu/ft² source) across 180,000 sq ft, including 905,672 kWh of electricity and 87,138 therms of natural gas.
What are RUDD REALTY MANAGEMENT CORP : 605 Park Avenue's carbon emissions?
RUDD REALTY MANAGEMENT CORP : 605 Park Avenue reported 818 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2024.
Where is RUDD REALTY MANAGEMENT CORP : 605 Park Avenue?
RUDD REALTY MANAGEMENT CORP : 605 Park Avenue is in New York City, New York 10065. Its coordinates are 40.76623, -73.96737 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is RUDD REALTY MANAGEMENT CORP : 605 Park Avenue and when was it built?
RUDD REALTY MANAGEMENT CORP : 605 Park Avenue has 180,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1950 as its year built. It is classed as multifamily housing.
Is RUDD REALTY MANAGEMENT CORP : 605 Park Avenue 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, “RUDD REALTY MANAGEMENT CORP : 605 Park Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/rudd-realty-management-corp-605-park-avenue-9e539663 (data as of October 2, 2026).