BuildingCensus
D

Mayfair Mansions Apartments III

Multifamily Housing in Washington, DC, DC · 3743-3817 Jay Street NE · 20019

ENERGY STAR score
44
band D · 2024
Site EUI
39.0
kBtu/ft²
GHG emissions
424
tCO₂e
GHG intensity
3.1
kgCO₂e/ft²
Floor area
136,528
sq ft
Year built
1945
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 score44 (band D)
Site EUI39.0 kBtu/ft²
Source EUI109.3 kBtu/ft²
GHG emissions424 tCO₂e
GHG intensity3.1 kgCO₂e/ft²
Electricity1,561,916 kWh
Natural gas0 therms
Water use11,866 kgal
Gross floor area136,528 sq ft
Source recorddc:PM34394148:2024

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

MM PROPERTY LLC

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
3743-3817 Jay Street NE
State
District of Columbia
ZIP
20019
Coordinates
38.90307, -76.94758

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is Mayfair Mansions Apartments III's energy grade?

Mayfair Mansions Apartments III scores 44 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Mayfair Mansions Apartments III use?

Its 2024 site energy-use intensity was 39.0 kBtu/ft² (109.3 kBtu/ft² source) across 136,528 sq ft, including 1,561,916 kWh of electricity and 0 therms of natural gas.

What are Mayfair Mansions Apartments III's carbon emissions?

Mayfair Mansions Apartments III reported 424 tCO₂e of greenhouse-gas emissions (3.1 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:PM34394148:2024.