BuildingCensus
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99A-109 Grew Ave

Multifamily Housing in Boston, MA · 2131.

At a glance

99A-109 Grew Ave is a 12,480-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 46.5 kBtu/ft² and 32 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
46.5
kBtu/ft²
GHG emissions
32
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
12,480
sq ft
Year built
—
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI46.5 kBtu/ft²
Source EUI—
GHG emissions32 tCO₂e
GHG intensity—
Electricity51,373 kWh
Natural gas4,052 therms
Gross floor area12,480 sq ft
Source recordboston:102294:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—46.5 kBtu/ft²32 tCO₂e
2023—52.2 kBtu/ft²36 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.

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Ownership

CLIFFMONT CONDOMINIUM TRUST

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Location

Address
99A-109 Grew Ave
City
Boston
State
Massachusetts
ZIP
2131.

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

How does 99A-109 Grew Ave compare with other multifamily housing buildings in Boston?

The latest disclosures cover 2,174 multifamily housing buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 46.5 kBtu/ft² is about 31% below the average of 67.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 12,480 sq ft, it is about 79% below the average floor area of 58,087 sq ft for those buildings. 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 99A-109 Grew Ave's energy performance changed over time?

BuildingCensus holds 3 Boston disclosures for 99A-109 Grew Ave, covering report years 2022–2024. Site EUI moved from 52.2 kBtu/ft² (2023) to 46.5 kBtu/ft² (2024), a 11% decrease. Reported emissions went from 36 tCO₂e to 32 tCO₂e over the same span (down 12%).

What does a site EUI of 46.5 kBtu/ft² mean?

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. 99A-109 Grew Ave's 46.5 kBtu/ft² across 12,480 sq ft works out to about 0.6 billion Btu (170 MWh-equivalent) in 2024. The disclosure also reports 51,373 kWh of electricity and 4,052 therms of natural gas for the year.

Which law requires 99A-109 Grew Ave to report its energy use?

99A-109 Grew Ave reports under BERDO 2.0, the legal basis of Boston's Building Emissions Reduction and Disclosure Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record boston:102294:2024). 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.

More multifamily housing buildings in Boston

Frequently asked questions

What is 99A-109 Grew Ave's energy grade?

99A-109 Grew Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 46.5 kBtu/ft².

How much energy does 99A-109 Grew Ave use?

Its 2024 site energy-use intensity was 46.5 kBtu/ft² across 12,480 sq ft, including 51,373 kWh of electricity and 4,052 therms of natural gas.

What are 99A-109 Grew Ave's carbon emissions?

99A-109 Grew Ave reported 32 tCO₂e of greenhouse-gas emissions for 2024.

Where is 99A-109 Grew Ave?

99A-109 Grew Ave is in Boston, Massachusetts 2131.

How big is 99A-109 Grew Ave and when was it built?

99A-109 Grew Ave has 12,480 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.

Is 99A-109 Grew Ave covered by BERDO 2.0?

Yes — it appears in the 2024 Building Emissions Reduction and Disclosure Ordinance disclosure, which lists the buildings reporting under BERDO 2.0.

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About this data

Source: Building Emissions Reduction and Disclosure Ordinance (BERDO 2.0), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “99A-109 Grew Ave, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/99a-109-grew-ave-d0c47fac (data as of July 9, 2026).