Red Flag or Normal?

Minor hairline foundation crack

DRAFT: severity and verdict are pending review by a licensed inspector.

Structural Severity: Monitor

What it means

Thin vertical shrinkage cracks common in poured concrete.

Negotiate or walk away?

Usually normal; seal and monitor.

Who to call

Foundation contractor (if widening)

Typical repair cost

$250–$800 (minor crack repair) (source). Get a local quote.

General information, not a substitute for your own inspection.