# Subordination, non-disturbance, and attornment (SNDA)

> Tri-party agreement protecting the tenant if the lender forecloses.

**Canonical URL:** https://classa.info/glossary/snda
**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
- Tri-party agreement protecting the tenant if the lender forecloses.
- Essential on every Class A US lease.

## Key facts
- **category**: Legal
- **regionScope**: US

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