1820 Rittenhouse Square
Multifamily Housing in Philadelphia, PA · 19103
At a glance
1820 Rittenhouse Square is a 3,217-square-foot multifamily housing building in Philadelphia, Pennsylvania, built in 1900. It is listed in the 2024 Building Energy Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2023, when it scored 3 out of 100 on ENERGY STAR with a site EUI of 78.5 kBtu/ft².
No energy data reported for 2024
1820 Rittenhouse Square appears in the 2024 Building Energy Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 3,217 sq ft · Built 1900
Source record philadelphia:11665449:2024
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | 3 | ±0 | 78.5 kBtu/ft² | 582 tCO₂e |
| 2022 | 3 | -8 | 109.7 kBtu/ft² | 730 tCO₂e |
| 2021 | 11 | +2 | 75.7 kBtu/ft² | 561 tCO₂e |
| 2020 | 9 | +2 | 78.9 kBtu/ft² | 590 tCO₂e |
| 2019 | 7 | 85.1 kBtu/ft² | 637 tCO₂e |
Compliance context
Phila. Code §9-3402 / Building Energy Performance Program
Philadelphia requires commercial and multifamily buildings of 50,000+ sq ft to benchmark annually; its Building Energy Performance Program additionally requires non-residential buildings of 50,000+ sq ft to complete a tune-up or certify as high-performance every five years, with fines starting at $2,000 for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 1820 Rittenhouse Square
- City
- Philadelphia
- State
- Pennsylvania
- ZIP
- 19103
- Coordinates
- 39.94849, -75.17213
Within ~1 km
Nearby benchmarked buildings
- pen03067 1800 Arch Streetscore 60
Office · 1,576,517 sq ft
- Two Liberty Placescore 73
Office · 1,326,800 sq ft
- Two Liberty Placescore 88
Office · 1,283,937 sq ft
- 1500 Locustscore 93
Multifamily Housing · 887,048 sq ft
- APF - 1601 Market Streetscore 73
Office · 797,220 sq ft
- 1835 Market Streetscore 54
Office · 686,503 sq ft
See also: most efficient in Philadelphia · biggest emitters
How has 1820 Rittenhouse Square's energy performance changed over time?
BuildingCensus holds 6 Philadelphia disclosures for 1820 Rittenhouse Square, covering report years 2019–2024. Its ENERGY STAR score went from 7 in 2019 to 3 in 2023 (-4 points); its best year on file was 2021, at 11. Site EUI moved from 85.1 kBtu/ft² (2019) to 78.5 kBtu/ft² (2023), a 8% decrease. Reported emissions went from 637 tCO₂e to 582 tCO₂e over the same span (down 9%).
Which law requires 1820 Rittenhouse Square to report its energy use?
1820 Rittenhouse Square reports under Phila. Code §9-3402 / Building Energy Performance Program, the legal basis of Philadelphia's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record philadelphia:11665449:2024). Philadelphia requires commercial and multifamily buildings of 50,000+ sq ft to benchmark annually; its Building Energy Performance Program additionally requires non-residential buildings of 50,000+ sq ft to complete a tune-up or certify as high-performance every five years, with fines starting at $2,000 for non-compliance.
More multifamily housing buildings in Philadelphia
- (PA2632) - One Riverside Condo (210 S 25th St)· 3,205 sq ft · score 8 (D)
- 10 Rittenhouse Square· 2,560 sq ft · score 21 (D)
- (PA2407) - Old City 108 Condominiums (108 Arch St.)· 2,556 sq ft · score 46 (D)
- 227-31 South 6th Street· 2,306 sq ft
- 2100 Hamilton· 2,125 sq ft · score 2 (D)
- Garden Court Condominium Association· 2,071 sq ft · score 29 (D)
- Multifamily Housing buildings in Philadelphia· 768 benchmarked
- All Philadelphia benchmarked buildings· Phila. Code §9-3402 / Building Energy Performance Program
- Most efficient large buildings in Philadelphia
- Least efficient large buildings in Philadelphia
- Biggest emitters in Philadelphia
Frequently asked questions
What is 1820 Rittenhouse Square's energy grade?
1820 Rittenhouse Square has no grade: it did not report energy data for 2024. The 2024 Building Energy Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is 1820 Rittenhouse Square?
1820 Rittenhouse Square is in Philadelphia, Pennsylvania 19103. Its coordinates are 39.94849, -75.17213 (latitude, longitude), as published in the Building Energy Benchmarking file.
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About this data
Source: Building Energy Benchmarking (Phila. Code §9-3402 / Building Energy Performance Program), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “1820 Rittenhouse Square, Philadelphia, Pennsylvania — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/philadelphia/1820-rittenhouse-square-0f79fe94 (data as of July 9, 2026).