At a glance
2144/2178 South State St is a 27,000-square-foot office building at 2144 South State Street in Ann Arbor, Michigan, built in 2001. In its 2023 Ann Arbor benchmarking disclosure it reported a site energy-use intensity of 55.7 kBtu/ft² and 129 tCO₂e of greenhouse-gas emissions.
Benchmarking and Disclosure Ordinance (2021) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 55.7 kBtu/ft² |
| Source EUI | 100.0 kBtu/ft² |
| GHG emissions | 129 tCO₂e |
| GHG intensity | 4.8 kgCO₂e/ft² |
| Water use | 237 kgal |
| Gross floor area | 27,000 sq ft |
| Source record | ann_arbor:A2BLD-00270:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 55.7 kBtu/ft² | 129 tCO₂e | |
| 2022 | — | — | — | |
| 2021 | — | 53.6 kBtu/ft² | 124 tCO₂e |
Compliance context
Benchmarking and Disclosure Ordinance (2021)
Ann Arbor's ordinance requires commercial buildings over 20,000 sq ft to benchmark and disclose annually as part of the A2ZERO carbon-neutrality plan.
Ownership
SOUTH STATE STREET PROPERTIES, LLC
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 2144 South State Street
- City
- Ann Arbor
- State
- Michigan
- Coordinates
- 42.25506, -83.74073
Within ~1 km
Nearby benchmarked buildings
- The Villas at Main Streetscore 90
Multifamily Housing · 517,536 sq ft
- Woodbury Campusscore 76
Multifamily Housing · 391,532 sq ft
- ReNew Ann Arborscore 1
Multifamily Housing · 245,432 sq ft
- South State Commons IIscore 1
Office · 155,030 sq ft
- State Street Village LLCscore 100
Multifamily Housing · 116,850 sq ft
- South State Commons Iscore 91
Office · 97,500 sq ft
See also: most efficient in Ann Arbor · biggest emitters
How does 2144/2178 South State St compare with other office buildings in Ann Arbor?
The latest disclosures cover 80 office buildings in Ann Arbor, out of 418 buildings citywide. Its site EUI of 55.7 kBtu/ft² is about 31% below the average of 80.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.8 kgCO₂e/ft² is about 36% below the group average of 7.5 kgCO₂e/ft².
At 27,000 sq ft, it is about half of the average floor area of 58,397 sq ft for those buildings. It was built in 2001, 25 years later than the group's average year built (1976). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 2144/2178 South State St's energy performance changed over time?
BuildingCensus holds 3 Ann Arbor disclosures for 2144/2178 South State St, covering report years 2021–2023. Site EUI moved from 53.6 kBtu/ft² (2021) to 55.7 kBtu/ft² (2023), an 4% increase. Reported emissions went from 124 tCO₂e to 129 tCO₂e over the same span (up 4%).
What does a site EUI of 55.7 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. 2144/2178 South State St's 55.7 kBtu/ft² across 27,000 sq ft works out to about 1.5 billion Btu (441 MWh-equivalent) in 2023. Its source EUI of 100.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 237 thousand gallons of water for the year.
Which law requires 2144/2178 South State St to report its energy use?
2144/2178 South State St reports under the Benchmarking and Disclosure Ordinance (2021), the legal basis of Ann Arbor's Energy & Water Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record ann_arbor:A2BLD-00270:2023). Ann Arbor's ordinance requires commercial buildings over 20,000 sq ft to benchmark and disclose annually as part of the A2ZERO carbon-neutrality plan.
More office buildings in Ann Arbor
- Ervin Industries, Inc.· 26,772 sq ft
- WISD 3980 Research Park Drive· 26,037 sq ft
- 310 Miller· 25,821 sq ft
- 200 E Washington· 25,392 sq ft
- 123 N Ashley· 24,806 sq ft
- 2805 S Industrial Hwy· 24,686 sq ft · score 74 (B)
- Office buildings in Ann Arbor· 80 benchmarked
- All Ann Arbor benchmarked buildings· Benchmarking and Disclosure Ordinance (2021)
- Most efficient large buildings in Ann Arbor
- Least efficient large buildings in Ann Arbor
- Biggest emitters in Ann Arbor
Frequently asked questions
What is 2144/2178 South State St's energy grade?
2144/2178 South State St did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 55.7 kBtu/ft².
How much energy does 2144/2178 South State St use?
Its 2023 site energy-use intensity was 55.7 kBtu/ft² (100.0 kBtu/ft² source) across 27,000 sq ft.
What are 2144/2178 South State St's carbon emissions?
2144/2178 South State St reported 129 tCO₂e of greenhouse-gas emissions (4.8 kgCO₂e/ft²) for 2023.
Where is 2144/2178 South State St?
2144/2178 South State St is at 2144 South State Street, in Ann Arbor, Michigan. Its coordinates are 42.25506, -83.74073 (latitude, longitude), as published in the Energy & Water Benchmarking file.
How big is 2144/2178 South State St and when was it built?
2144/2178 South State St has 27,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2001 as its year built. It is classed as office.
Is 2144/2178 South State St covered by the Benchmarking and Disclosure Ordinance (2021)?
Yes — it appears in the 2023 Energy & Water Benchmarking disclosure, which lists the buildings reporting under the Benchmarking and Disclosure Ordinance (2021).
Working with Ann Arbor 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.
About this data
Source: Energy & Water Benchmarking (Benchmarking and Disclosure Ordinance (2021)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “2144/2178 South State St, Ann Arbor, Michigan — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/ann-arbor/2144-2178-south-state-st-a2b4d217 (data as of July 9, 2026).