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Local Law 87

IAG Energy is a recognized leader in energy auditing and retro-commissioning services. With IAG Energy, we audit and retro-commission your buildings to identify and implement energy-saving measures & achieve 100% compliance with LL87. Give us a call today for more information on how we can help you save money on your building's energy bills!

The Best Service and Value for Local Law 87 Energy Audits & Retro-commissioning

The best value for Local Law 87 Energy audits and retro-commissioning is obtained when an expert energy auditor develops a technical process to determine the operational needs of the building.

Through the energy audit, IAG Energy identifies many energy-saving opportunities that give the owners to understand what is going on in the buildings so that they can make an educated decision when it comes to investing energy efficiency in their buildings.

The report filing date is based on the last digit of your building’s tax block number. The following table explains when your next report is due.

Last digit
of tax block
3 4 5 6 7 8 9 0 1 2
Report due
in year

Save up to 50% Your commercial building may be eligible for the Flex Tech program with NYSERDA.

Avoid violations and delays. Start the LL87 compliance process for your building at least 1 year before the due date.


Who should follow Local law 87?

  1. Any building with an area of ​​more than 50,000 square feet
  2. 2 or more buildings on a single tax lot (not share) that are larger than 100,000 square feet.

What are the requirements for LL87?

  • An energy audit by a professional engineer must be conducted throughout the entire building.
  • A retro-commissioning plan must be implemented for the building. Also, we need proof that retro-commissioning work has been completed, which needs to be included in the energy efficiency report.
  • EER (Energy Efficiency Report) must be submitted to DOB (Department of Building) before December 31st, it is due.

What are the consequences of non-compliance with LL87?

Under LL87 rules, failure to submit an energy efficiency report by December 31st of the year, it is due a $3000 penalty in the first year and a $5000 additional year until the completed report is submitted to the DOB.

What kind of building must comply with Local Law 87?

All commercial, industrial, and residential buildings over 50,000 square feet located in the New York City 5 boroughs.

How often do I need to comply with LL87?

The ASHRAE Level II Energy Audit and Retro-Commissioning Report must be submitted every 10 years. The year when your buildings are due depends on the last digit of your tax block number.

How long does it take to create and submit the Energy Audit and Retro-Commissioning Report (LL87)?

We recommend the process is started one year before the due date. We can move the auditing and retro-commissioning process pretty quickly so even if you are running behind schedule and did not get an early start we can still help you.

Am I required to upgrade my energy systems if the Retro-Commissioning Report finds them deficient?

No. In our report and analysis we will outline recommendations. These are ways in which you can tune up your existing systems without requiring capital investment. You must, however, apply the recommendations found in the Retro-Commissioning report prior to filing them to the NYC Department of Buildings.

What happens if I don’t comply with LL87?

Failure to file your LL87 compliance with the NYC Department of Buildings will result in a Class 2 Violation for your building. It carries a $3000 penalty in the first year and a $5000 additional year until the completed report is submitted to the DOB.

How do I get started?

All you need to do is simply send us a Request for Quote. We will contact you and provide you with a free quote listing all of the services we will perform for your building. Once we complete the Energy Audit and Retro-Commissioning Report, we will file it to the NYC Department of Buildings on your behalf.

Request An Inspection

This form is your first step to be 100% compliant with Local Law 87.

Send us a request for a Free Quote and we will take care of every step to complete and file your Energy Audit and Retro-Commissioning report with the NYC Department of Buildings.


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