# Operating expense cap

> Annual cap on the tenant's share of building operating expenses.

**Canonical URL:** https://classa.info/glossary/opex-cap
**Page type:** glossary
**Last updated:** 2026-04-01T00:00:00.000Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- Annual cap on the tenant's share of building operating expenses.
- Caps prevent runaway opex pass-throughs in inflationary environments.

## Key facts
- **category**: Leasing
- **regionScope**: US, EU

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Citation: Source: Class A Atlas (https://classa.info/glossary/opex-cap), updated 2026-04-01T00:00:00.000Z.