AttorneyMatthew William Tynan● 20 total views
MT

Matthew William Tynan

O'Hanlon, Demerath & Castillo·Austin, TX·Travis County·16 years licensed

Matthew William Tynan is a lawyer in Austin, TX who works for O'Hanlon, Demerath & Castillo. Practice areas include Administrative and Public, Appellate: Civil, Environmental. Court admissions include Fifth Circuit Court of Appeals, Texas Western District Court. Licensed in Texas since 2010. Graduated from Cumberland School of Law in 2009.

Claim profileContact attorney
Law school
Class of 2009
Bar admission
2010
State Bar of TX · #24072489
Office
808 West Ave
Austin, TX 78701
Disciplinary
None on record
Clean since admission
MT

Matthew William Tynan

O'Hanlon, Demerath & Castillo
Austin, TX·16 years licensed
Claim profileContact attorney

Matthew William Tynan is a lawyer in Austin, TX who works for O'Hanlon, Demerath & Castillo. Practice areas include Administrative and Public, Appellate: Civil, Environmental. Court admissions include Fifth Circuit Court of Appeals, Texas Western District Court. Licensed in Texas since 2010. Graduated from Cumberland School of Law in 2009.

Law school
Bar admission
2010
State Bar of TX · #24072489
Office
808 West Ave
Austin, TX 78701
Disciplinary
None on record
Clean since admission
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Practice, courts & credentials
Practice areas6 listed
Administrative and PublicAppellate: CivilEnvironmentalLitigation: CommercialLitigation: Personal InjuryMediation
Courts admitted2 total
Fifth Circuit Court of Appeals
Texas Western District Court
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Last refreshed Aug 2026