NYC Local Law 97 Carbon Liability Registry
Instant statutory penalty audits, 2024–2034 emissions exposure modeling, and fiduciary decision dockets for NYC properties. Built on NYC Open Data LL84 benchmarking (CY2024) and DOF tax-lot records, with statutory citations on every figure.
KERN57 - 303 East 57th Street
303 East 57th Street, Manhattan · BBL: 1013500001 · 539,027 sq ft
$6,713,021
5-Year Cumulative: $33,565,105
$6,325,870
Cap: 6.75 kgCO₂e/sf (§ 28-320.3.1.2)
+$12,455 / yr
+$12.45 / RSF added to annual maintenance
Per-apartment figure is an estimate derived from reported floor area (÷ 950 sq ft). The LL84 record does not disclose dwelling-unit counts.
Interactive C-PACE Alterations & Financial Ledger
Model capital alterations to eliminate the statutory fine with 100% long-term financing.
Steam balancing, burner modulation, and wireless apartment sensors.
Reduces expensive peak electricity demand in common hallways and lobby.
Full Electrification (Air-Source Heat Pumps)
Replaces fossil boiler with air-source heat pumps. Eliminates 75% of boiler carbon.
Rooftop Solar PV + Envelope Weatherization
Offsets remaining electrical draw to reach 100% fine elimination.
+$642,749 / yr
Accounting Formula: (Avoided DOB Penalties + Measured Utility Savings) - Annual C-PACE Assessment = Net Operating Cashflow.
NYC Properties Compliance Directory
Curated municipal benchmark properties. Click any column header to sort, or click "Audit" to inspect full exposure.
| Building Name & Address ↕ | Group ↕ | GFA (sq ft) ↕ | 2024 Filed ↕ | 2030 Exposure ↕ | Cost / Sq Ft (2030) ↕ | Audit |
|---|
Statutory Ground Truth & Legal Framework
Verified regulatory formulas, emissions caps, and municipal coefficients under NYC Administrative Code § 28-320 and 1 RCNY § 103-14.
DOB Article 320 Track
Annual greenhouse gas emissions limits & civil penalties.
$268.00 / tCO₂e
Fixed penalty per metric ton of excess carbon over cap.
NYC Open Data LL84
CY2024 Benchmarking + DOF RPAD/PLUTO Tax Master Rolls.
The Statutory Penalty Formula
NYC Administrative Code Title 28, Article 320 § 28-320.6
Statutory Building Emissions Intensity Caps
The table below shows the Administrative Code occupancy-group limits (§ 28-320.3.1.2 / § 28-320.3.2) in kgCO₂e / sq ft / year.
| Occupancy Group | Classification Description | 2024–2029 Cap | 2030–2034 Cap | Statutory Basis |
|---|---|---|---|---|
| Group R-2 | Multifamily (Co-op / Condo / Rental) | 6.75 kg/sf | 4.07 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group B | Business / Commercial Office | 8.46 kg/sf | 4.53 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group M | Mercantile / Retail | 11.81 kg/sf | 4.03 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group E | Educational / School | 7.58 kg/sf | 3.44 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group A | Assembly (Civic / Theaters) | 10.74 kg/sf | 4.20 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group F | Factory / Industrial | 5.74 kg/sf | 1.67 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group R-1 | Hotels / Transient Residential | 9.87 kg/sf | 5.26 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group I-1 | Institutional (Assisted Living Care) | 11.38 kg/sf | 5.98 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group I-2 | Institutional (Hospitals / Healthcare) | 23.81 kg/sf | 11.93 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
| Group S | Storage / Warehouse | 4.26 kg/sf | 1.10 kg/sf | § 28-320.3.1.2 / § 28-320.3.2 |
Statutory Greenhouse Gas Emissions Coefficients
DOB-mandated fixed emissions factors for operational carbon calculation pursuant to 1 RCNY § 103-14.
| Energy Utility Source | Measurement Unit | Statutory Coefficient | Statutory Rule Reference |
|---|---|---|---|
| Grid Delivered Electricity | kWh | 0.000288962 tCO₂e / kWh | 1 RCNY § 103-14(d)(1) |
| Natural Gas (Firm & Interruptible) | kBtu (or therms × 100) | 0.00005311 tCO₂e / kBtu | NYC Admin Code § 28-320.3.1.1 |
| #2 Fuel Oil (Distillate) | kBtu (or gal × 138) | 0.00007421 tCO₂e / kBtu | NYC Admin Code § 28-320.3.1.1 |
| #4 Fuel Oil (Residual) | kBtu (or gal × 146) | 0.00007529 tCO₂e / kBtu | NYC Admin Code § 28-320.3.1.1 |
| District Steam (ConEdison) | kBtu (or Mlb × 1,194) | 0.00004493 tCO₂e / kBtu | NYC Admin Code § 28-320.3.1.1 |
Data Provenance & Source Repositories
Building characteristics, reported gross floor area, and baseline energy consumptions are ingested from official municipal datasets: NYC Open Data LL84 Energy & Water Benchmarking (CY2024 disclosures), NYC Department of Finance RPAD property master tax rolls, and PLUTO tax lot records.
Statutory Notice: NY Education Law § 7202 & § 7209
Dossiers and ledgers provided herein are analytical decision models prepared for fiduciary planning and expedited Registered Design Professional (PE/RA) review. Under NY Education Law § 7202 & § 7209, no statutory engineering determination is legally finalized until independently reviewed, validated, and stamped by a licensed Professional Engineer or Registered Architect.
Verify your NYC property against statutory limits
Instant multi-cycle calculation and RDP docket generation for any NYC building.
Institutional Pricing for Boards & Managing Agents
Select a one-time certified decision kit or full portfolio management.
Fiduciary Board Docket
Pre-assembled, RDP-ready compliance docket for Managing Agents & Board Fiduciaries to present to reviewing engineers and counsel.
- ✔ Unwatermarked Board Memo with PE Seal Block (PDF)
- ✔ Editable Word Board Resolution (.docx)
- ✔ C-PACE Term Sheet with Lender Consent Clause
- ✔ 6 Official DOB GFE Electives Checklist
- ✔ Lease Rider with OpEx Exclusion Override (.docx)
Transaction Diligence
48-hour carbon liability diligence memo for real estate acquisitions, contract review, and bank lenders.
- ✔ 10-Year Statutory Cashflow Forecast (2024–2034)
- ✔ DOB BEAM Safe-Harbor & Violation Permit Audit
- ✔ Commercial Lease Rider OpEx Pass-Through Review
- ✔ C-PACE Capital Structure & DSCR Impact Model
- ✔ Eligible Closing Escrow Diligence Expense
Agent Portfolio
10-building portfolio pack ($199/bldg). Sits safely below $2,500 property manager corporate card limits.
- ✔ 10 Covered NYC Portfolio Buildings
- ✔ Full Municipal LL84 & Tax Lot Ingestion
- ✔ Unlimited RDP-Ready Board Dockets
- ✔ Automated May 1 & June 30 Deadline Alerts
- ✔ Corporate Card Direct Billing ($199/bldg)
MEP White-Label
For MEP engineering consultancies & energy auditors. Automates 30 hrs of data collation for 20-min PE sign-off.
- ✔ Unlimited Client Buildings
- ✔ Custom Firm Branding & PE Seal Blocks
- ✔ 6 Official DOB GFE Mitigation Electives
- ✔ Direct DOB BEAM Data Exports
- ✔ 30-Day Free Design Partner Pilot (5 Filings)