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Montgomery County, MD · Reviewed November 2026Montgomery County benchmarking compliance, filed for you
The Montgomery County Building Energy Benchmarking Law requires covered buildings to report energy use every year. We gather the data, check it, and file it — usually within a week.
Who’s covered
Commercial, multifamily and public buildings of 25,000 sq ft or more.
Annual deadline
June 1 for the previous calendar year.
Verification
Data verification by a recognized verifier in the first year, then every three years.
Penalties
Class A violations with fines after a notice of violation.
What to report
All energy 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 — we’ll confirm whether it’s required for your building
Leave out backup generator fuel. Note any meters added or removed during the year.
Good to know
- County Building Energy Performance Standards (BEPS) start in 2028.
- Maryland’s statewide BEPS (35,000+ sq ft) may apply too.
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 Montgomery County Building ID (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 about this law
FAQ
Montgomery County benchmarking questions
When is the Montgomery County benchmarking deadline?
Reports are normally due June 1 each year, covering the previous calendar year’s energy use.
Does Montgomery County benchmarking apply to my building?
Commercial, multifamily and public buildings of 25,000 sq ft or more. Exemptions are limited — if you’re not sure, send us the address and we’ll check.
What happens if I miss it?
Class A violations with fines after a notice of violation. If you’ve already missed the deadline, we can usually get you filed quickly and help you respond to any notice.
Is third-party verification required?
Data verification by a recognized verifier in the first year, then every three years. We provide verification in-house.
Official program information: Montgomery County benchmarking website. Requirements change — we confirm current rules for every filing.