BuildingCensus
B

51 Humboldt Av

Multifamily Housing in Boston, MA · 2119.

ENERGY STAR score
81
band B · 2024
Site EUI
67.0
kBtu/ft²
GHG emissions
88
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
24,559
sq ft
Year built
—
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score81 (band B)
Site EUI67.0 kBtu/ft²
Source EUI—
GHG emissions88 tCO₂e
GHG intensity—
Electricity32,763 kWh
Natural gas15,327 therms
Gross floor area24,559 sq ft
Source recordboston:107531:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest81±067.0 kBtu/ft²88 tCO₂e
20238161.5 kBtu/ft²91 tCO₂e
2022———

Compliance context

BERDO 2.0

BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

Program details →

Ownership

HUMBOLDT APARTMENTS LP MASS LP

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

Location

Address
51 Humboldt Av
City
Boston
State
Massachusetts
ZIP
2119.

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in Boston · biggest emitters

Frequently asked questions

What is 51 Humboldt Av's energy grade?

51 Humboldt Av scores 81 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Boston disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 51 Humboldt Av use?

Its 2024 site energy-use intensity was 67.0 kBtu/ft² across 24,559 sq ft, including 32,763 kWh of electricity and 15,327 therms of natural gas.

What are 51 Humboldt Av's carbon emissions?

51 Humboldt Av reported 88 tCO₂e of greenhouse-gas emissions for 2024. BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

Working with Boston 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.

Dataset updated . Source: Building Emissions Reduction and Disclosure Ordinance disclosure, record boston:107531:2024.