NYC LL84 compliance, filed for you

Local Law 84 (LL84) requires covered buildings in New York City to report energy and water use every year. We gather the data, check it, and file it — usually within a week.

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Who’s covered

Buildings over 25,000 sq ft, plus lots with two or more buildings that together exceed 100,000 sq ft. City-owned buildings over 10,000 sq ft.

Annual deadline

May 1 for the previous calendar year. Late filings are accepted on quarterly cutoffs (August 1, November 1, February 1), with a fine each time.

Verification

No routine third-party verification — but the city runs its own data checks, so accuracy still matters.

Penalties

$500 for missing May 1, then $500 for each later quarterly deadline missed (up to $2,000 a year).

What to report

All energy and water used by the whole building — including tenant spaces — for January 1 to December 31:

Electricity — every meter serving the building
Natural gas
District steam, hot or chilled water, if you have it
Delivered fuels (oil, diesel, propane) — all delivery receipts for the year
On-site solar production, if any
Water — whole-building water use

Leave out backup generator fuel. Note any meters added or removed during the year.

Good to know

Local Law 97 sets carbon emissions limits based on the same data, so accurate benchmarking matters even more.
Local Law 33 requires posting an energy efficiency grade (A–F) near the building entrance.
Your BBL (Borough-Block-Lot) and BIN identify the building in the city’s covered buildings list.

What we’ll need from you

Building address, plus any utility service addresses that differ from it
Gross floor area for the whole building and each use (office, retail, residential…), number of units and year built
Your BBL and BIN (we can look it up)
Utility data for the full calendar year, January 1 – December 31 (usually 13 months of bills)
If tenants pay their own utilities: whole-building (aggregated) data from the utility, or signed tenant authorization forms
Access to your ENERGY STAR Portfolio Manager account, if you have one
Any notice or letter you received from the city

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FAQ

NYC LL84 questions

When is the NYC LL84 deadline?

Reports are normally due May 1 each year, covering the previous calendar year’s energy and water use. Late filings are accepted on quarterly cutoffs (August 1, November 1, February 1), with a fine each time.

Does NYC LL84 apply to my building?

Buildings over 25,000 sq ft, plus lots with two or more buildings that together exceed 100,000 sq ft. City-owned buildings over 10,000 sq ft. Exemptions are limited — if you’re not sure, send us the address and we’ll check.

What happens if I miss it?

$500 for missing May 1, then $500 for each later quarterly deadline missed (up to $2,000 a year). If you’ve already missed the deadline, we can usually get you filed quickly and help you respond to any notice.

Official program information: New York City benchmarking website. Requirements change — we confirm current rules for every filing.

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