BR
Borough Registry
Multifamily Housing BBL: 3050860066 Article 320 from 2026 (rent regulated)

45 Martense Street Owners Corp

45 Martense Street, Brooklyn, NY 11226

Statutory Compliance Finding & Executive Summary

According to official NYC DOB records and Local Law 84 benchmarking, 45 Martense Street (Brooklyn, BBL 3050860066) is subject to NYC Local Law 97 under Article 320 from 2026 (rent regulated). Based on a reported emissions intensity of 4.10 kgCO2e/sq ft against a 2030 statutory limit of 3.35 kgCO2e/sq ft, the property faces an estimated statutory penalty of $15,206 per year starting in 2030 (total 5-year cumulative exposure of $76,030) unless decarbonization retrofits or a Good Faith Effort penalty pause under 1 RCNY § 103-14(i) are implemented.

Reported Carbon Intensity
4.10 kgCO2e/sq ft
LL84 Benchmarking CY2024
2024–2029 Cap & Status
6.75 kg/sq ft
Compliant ($0)
2030–2034 Annual Penalty
$15,206/year
$15,206/yr
5-Year Cumulative Exposure
$76,030
2030–2034 statutory liability

Property Benchmarking & Compliance Ledger

NYC Admin Code § 28-320
Gross Floor Area (GFA)
75,312 sq ft
Dwelling / Commercial Units
66 units
Governing Compliance Pathway
Article 320 from 2026 (rent regulated)
Statutory Excess Rate
$268 per metric ton excess CO2e (§ 28-320.6)

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