90
days - Preliminary Notice
90
days - Lien Filing
720
days - Enforcement
Warning: Missing this deadline may result in losing ALL lien rights.
Note: If you don't file a lawsuit within this period, your lien becomes unenforceable.
Pay-if-Paid
⚠️ Enforceable
Retainage Cap
5%
License Required
Not required for liens
SubShield automatically applies Iowa lien laws when analyzing your contracts. Get deadline tracking, compliance alerts, and personalized risk analysis.
This information is for educational purposes only and is current as of January 2026. Always consult with a licensed Iowa construction attorney for your specific situation.