Estimate Your Building's LL97 Penalty Exposure in Minutes
For owners and managers of NYC buildings over 25,000 square feet. Estimate emissions and penalty exposure, track LL97 deadlines, and keep your compliance records in one place.
The LL97 Problem
NYC buildings face steep penalties for exceeding carbon emissions limits.
$268
Maximum penalty per metric ton over the limit
~50,000
NYC buildings over 25,000 sq ft covered by LL97
May 1
Annual LL97 emissions report due date
How It Works
Three simple steps to compliance clarity.
Add Building
Enter your building details: address, square footage, and occupancy type.
Enter Utility Data
Input your electricity, gas, and other utility consumption data.
See Compliance
Get instant emissions calculations, compliance status, and penalty estimates.
Everything You Need
Built specifically for NYC LL97 compliance.
Emissions Calculator
Estimates annual tCO2e from your utility data using the LL97 greenhouse gas coefficients for electricity, natural gas, district steam, and fuel oil.
Compliance Dashboard
See estimated LL97 status and penalty exposure for every building you manage in one place, updated as utility data comes in.
Gap Detection
Automatically detect missing utility data and get confidence scores for your calculations.
Report Generation
Generate PDF compliance summaries for owners, boards, and the Registered Design Professional who certifies your LL97 filing.
Simple, Transparent Pricing
Start free. Upgrade when you need to.
Pro
For building owners and managers
- Up to 10 buildings
- CSV upload
- Report generation
- Portfolio Manager sync
- Email support
Portfolio
For large portfolios
- Up to 50 buildings
- Everything in Pro
- Bulk operations
- Priority support
Calculate Your LL97 Penalty — Free
No signup required. Enter your building details and get an instant emissions estimate.
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