Cellar vs. Basement vs. Crawl Space – Differences, Codes & Uses
A cellar is a space over half below curb level in NYC law, a basement is a story not above grade plane in the IRC, and a crawl space is not a basement.
9 Causes of Basement Moisture – Diagnosis, Fixes & Prevention
Why is your basement wet? The nine causes of basement moisture, the foil test that identifies yours, and the code-backed fix for each — from grading to hydrostatic pressure.

