Mary Piasta


mary piasta Mary Piasta is a partner at Haeuser, Valluzzo & Piasta LLP. Continuing a five generation tradition, our attorneys apply legal expertise to serve your interests. Our lawyers see the vineyard through the vines offering solid representation and out of the box thinking that caters to you, your family and business. Mary is a generalist specializing in solution based lawyering through proactive representation. Offering complimentary 30 minute consultations. For more information, visit her website at

Mary K. Piasta, Esq.
Haeuser Valluzzo & Piasta LLP
466 First Street East
PO Drawer G
Sonoma, CA 95476
P: 707-996-2131
F: 707-996-3076
Community Involvement
  • Board member Sonoma league historic preservation
  • Board member Sonoma chamber commerce
  • Board member Sonoma Kenwood education foundation
  • Past board Sonoma mother’s club
  • Past board Sonoma AMA foundation
  • Past commissioner community services commission