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South Dakota Mechanics Lien Law

Everything you need to know to protect your lien rights in South Dakota

Critical Deadlines

120

days - Preliminary Notice

120

days - Lien Filing

180

days - Enforcement

📋Preliminary Notice

REQUIRED
Deadline
120 days from first furnishing
Form Name
Notice of Intention to Claim Lien
Must be Served To
Owner, General Contractor
Delivery Method
Certified mail

Warning: Missing this deadline may result in losing ALL lien rights.

⚖️Lien Filing

Filing Deadline
120 days from last work
Where to File
Register of Deeds
Filing Fee
$20-40
Description
Within 120 days of last furnishing

⏱️Enforcement

Deadline to Sue
180 days from filing lien
Description
Within 6 months of filing lien

Note: If you don't file a lawsuit within this period, your lien becomes unenforceable.

🏛️Public Projects (Bond Claims)

Preliminary Notice
Required within 90 days
Bond Claim Deadline
90 days from completion
Governing Statute
SDCL §5-21

Special Rules & Contractor Protections

Pay-if-Paid

⚠️ Enforceable

Anti-Indemnity

✓ Protected by SDCL §56-3-18

Retainage Cap

5%

License Required

Not required for liens

💡 Important Notes for South Dakota

  • 120-day preliminary notice required

📚 Statute References

Lien Law:
SDCL §44-9
Bond Law:
SDCL §5-21

Protect Your Rights in South Dakota

SubShield automatically applies South Dakota 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 South Dakota construction attorney for your specific situation.