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Welcome to Petrillo Law, LLC.
Your source for dynamic representation.
Located in and serving Montgomery County, Pennsylvania.

Offering confident and caring representation, especially experienced in the Court of Common Pleas of Montgomery County, one of the largest counties in the Commonwealth of Pennsylvania.

Practice Areas

Criminal Defense
  • Driving Under the Influence (DUI) and related offenses

  • Accelerated Rehabilitative Disposition (ARD)

  • Misdemeanor and felony arrests

  • Drug offenses

  • Assault and related offenses

  • Burglary, theft-related offenses

  • Parole/probation violations

  • Expungements

  • Juvenile delinquency

Planning for Life Events
  • Guardianship 

  • Adoption

  • Dependency

  • Probate

  • Wills

  • Power of Attorney

  • Living Will

  • Pre-nuptial agreements

Civil Law
  • Civil litigation 

  • Contract disputes

  • Landlord-Tenant

Family Law
  • Divorce

  • Support

  • Custody

  • Relocation

  • Contract disputes

Louise M. Petrillo, Esquire


As a Montgomery County native with more than 25 years of experience representing clients in civil, family, and criminal cases, Attorney Louise Petrillo has successfully defended thousands of clients in the Court of Common Pleas, as well as Magisterial District Courts. 


Attorney Petrillo received her Juris Doctor degree from Widener University Commonwealth Law School and earned her Bachelor of Arts from Rosemont College. She is in good standing with the Pennsylvania Bar Association and currently serves as as in house counsel for Tosco Real Estate Services, LLC, Collegeville. She is a former Adjunct Professor at Rosemont College/Graduate Program. She also served as a former Montgomery County Defender, and also has prior experience as an associate with Keenan, Ciccitto and Associates, Collegeville and Hennessey & Hennessey, Pottstown.


Contact us today to schedule a consultation and put her knowledge and experience to work for you. 

Justice Scale

Contact Us

We look forward to hearing from you. Please complete the contact form and we will reach out as soon as possible. 

Petrillo Law LLC

478 E Main Ste. #1

Collegeville, PA 19426


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