BuildingCensus
C

Syphax Gardens

Multifamily Housing in Washington, DC, DC · 1501 Half Street SW · 20024

ENERGY STAR score
64
band C · 2024
Site EUI
67.2
kBtu/ft²
GHG emissions
645
tCO₂e
GHG intensity
4.2
kgCO₂e/ft²
Floor area
151,944
sq ft
Year built
1958
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Clean and Affordable Energy Act / BEPS · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score64 (band C)
Site EUI67.2 kBtu/ft²
Source EUI115.1 kBtu/ft²
GHG emissions645 tCO₂e
GHG intensity4.2 kgCO₂e/ft²
Electricity1,132,552 kWh
Natural gas63,467 therms
Water use18,777 kgal
Gross floor area151,944 sq ft
Source recorddc:PM4178736:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest64+667.2 kBtu/ft²645 tCO₂e
202358-167.4 kBtu/ft²646 tCO₂e
202259-271.4 kBtu/ft²717 tCO₂e
202161+1367.8 kBtu/ft²710 tCO₂e
202048+376.2 kBtu/ft²785 tCO₂e
201945+983.3 kBtu/ft²849 tCO₂e
201836+791.6 kBtu/ft²924 tCO₂e
201729-789.7 kBtu/ft²988 tCO₂e
201636+388.1 kBtu/ft²980 tCO₂e
201533-692.8 kBtu/ft²1,012 tCO₂e
201439+1283.9 kBtu/ft²893 tCO₂e
201327-294.1 kBtu/ft²978 tCO₂e
20122987.7 kBtu/ft²933 tCO₂e

Compliance context

Clean and Affordable Energy Act / BEPS

DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.

Program details →

Ownership

DISTRICT OF COLUMBIA HOUSING AUTHORITY

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Location

Address
1501 Half Street SW
State
District of Columbia
ZIP
20024
Coordinates
38.87229, -77.01346

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Washington, DC · biggest emitters

Frequently asked questions

What is Syphax Gardens's energy grade?

Syphax Gardens scores 64 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Syphax Gardens use?

Its 2024 site energy-use intensity was 67.2 kBtu/ft² (115.1 kBtu/ft² source) across 151,944 sq ft, including 1,132,552 kWh of electricity and 63,467 therms of natural gas.

What are Syphax Gardens's carbon emissions?

Syphax Gardens reported 645 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2024. DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.

Dataset updated . Source: Building Energy Benchmarking disclosure, record dc:PM4178736:2024.