LD
Lyndsay E. Dematteo
Lyndsay E. Dematteo is a lawyer in Sioux Falls, SD who works for Minnehaha County Public Defender's Office. Practice areas include Criminal. Licensed in Texas since 2024. Graduated from Valparaiso University in 2005.
Claim profileContact attorney
Law school
Bar admission
Office
Disciplinary
LD
Lyndsay E. Dematteo
Minnehaha County Public Defender's OfficeSioux Falls, SD·1 years licensed
Claim profileContact attorney
Lyndsay E. Dematteo is a lawyer in Sioux Falls, SD who works for Minnehaha County Public Defender's Office. Practice areas include Criminal. Licensed in Texas since 2024. Graduated from Valparaiso University in 2005.
Law school
Valparaiso University
Class of 2005
Bar admission
2024
State Bar of TX · No. 24145077
Office
413 N. Main Ave.
Sioux Falls, SD 57104
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Minnehaha County Public Defender's OfficAS OF APR 2026Private Law Practice · Sioux Falls, SD
- Minnehaha County Public Defender's OfficeAS OF JUN 2026Private Law Practice · Sioux Falls, SD
Case data
Case data
Click “Load case data” above to view charts.
Practice & jurisdiction
Practice areas
- Criminal
Reviews
No reviews yet. Be the first →
Last refreshed Jun 2026