LL97 Benchmark

Medical Office buildings in Manhattan: energy benchmarks and Local Law 97 exposure

42 Medical Office buildings in Manhattan of 25,000 sf or more filed for 2024. Median ENERGY STAR score 83.0, site EUI 80.8 kBtu/sf, GHG intensity 7.4 kgCO2e/sf (quartiles 5.9-10.5), median size 65,150 sf, median year built 1,931. On filed emissions, 23.7% of the 38 with an emissions figure are over their 2024-2029 limit and 94.7% over the 2030-2034 limit.

Source: NYC Open Data, LL84 Building Energy and Water Data Disclosure (public domain), 2024 LL84 filings, buildings of 25,000 sf or more, one row per tax lot. Property type, floor area and emissions are self-reported by the filer; medians over buildings reporting the field. Limits: emissions factors in 1 RCNY 103-14; penalty rate USD 268 per tCO2e from the LL97 page. Data as of 2026-11-03.

Medians here (bar) vs Medical Office citywide (103) (mark):

ENERGY STAR score
83.0 vs 83.0
Site EUI (kBtu/sf)
80.8 vs 78.5
GHG intensity (kgCO2e/sf)
7.4 vs 7.1

Local Law 97 limits for this type

PeriodFactor (tCO2e/sf)Buildings over the limitShareMedian arithmetic exposure, those overSum
2024-20290.010749 of 3823.7%$101,129/yr$956,088/yr
2030-20340.0029127836 of 3894.7%$82,266/yr$5,041,984/yr

"Over the limit" = filed total location-based emissions above GFA x factor for the self-reported type; exposure = excess tCO2e x USD 268. Arithmetic on 2024 filings, not a prediction of what any owner pays: adjustments, Article 321, mixed-use splits, RECs and offsets are not modelled.

Where your building sits

Use the free lookup with the address for your own figures against these medians and limits, or get the USD 39 report for the 10 nearest-size named peers in Manhattan.

Paid report

USD 39 one-time: a Medical Office building in Manhattan vs the 10 nearest-size peers of the same type (borough first, citywide when the borough has fewer than 10), percentiles in the full pool, 2022-2024 trend, both LL97 limits and the arithmetic exposure. Checkout opens shortly; the free lookup and pages work meanwhile.

Medical Office in other boroughs

Brooklyn (23) · Queens (11) · The Bronx (21) · citywide

Other types in Manhattan

Multifamily Housing (6,159) · Office (1,463) · Hotel (372) · K-12 School (288) · College/University (103) · Mixed Use Property (81) · Residence Hall/Dormitory (79) · Parking (71) · Retail Store (57) · Worship Facility (57) · Performing Arts (42) · Self-Storage Facility (37)