The HVP Experience—What sets us apart?
Simply stated, HVP lawyers give our clients a competitive edge. Every one of us attended top-ranked law schools, learned our craft from well-recognized legal teams affiliated with sophisticated law firms, and maintain close ties to the communities we serve. We want to be the lawyers you trust to have your best interests at heart, and to go the distance for our clients. As business strategists, we trailblaze an entrepreneurial approach to legal services that realigns traditional service models. How do we do this? Read on.
ABA Approved
Each of our lawyers got their start
What sets us apart from the competition? Everything. We are a community-based law firm focused on the business of law from the perspective of those we serve. We use our knowledge of the law to build a better world starting right here, right now. For more than 100 years, our firm has enhanced and enriched Sonoma and the surrounding community one individual and one business at a time. Our practice includes business, estate planning, real estate, and employment law, meeting personal and business needs with an emphasis on family-owned 
SONOMA, CA – February 6, 2023 – The combination of two local law firms, Haeuser, Valluzzo & Piasta (HVP) and Wright & Supple (W&S) expands HVP’s services to include employment law counsel through a joint effort that redefines collaboration. HVP partners Mary Piasta and Tony Valluzzo continue to reinvent the law firm business model, working with W&S, a women-owned employment law firm led by Mary Wright and Oriet Cohen-Supple. As transformational change continues to rock the legal industry, this innovative approach offers clients the legal services they need across the full spectrum of business and employment law, while controlling costs … 
Partner Thomas A. Haeuser takes on new role as HVP advisor and community leader
Our year-end checklist provides useful tips for year-round check-ups.
We can work with you to review your business, real estate, and family holdings for tax issues to craft and maintain your succession plan for life, and what comes after.
Introduction to Elder Abuse, Capacity and Undue Influence
HVP Partner Tony Valluzzo Named to 2021 “Lawyers of Distinction” List by Sonoma Magazine
SONOMA, CA – July 26, 2021 – Prominent business and estate planning law firm Haeuser, Valluzzo & Piasta LLP is pleased to announce that 
SONOMA, Calif. – May, 2021 – Reinventing the law firm business model, HVP lawyers return to the basics of legal services with an emphasis on lawyers and staff working together to offer a concierge service experience. The addition of staffers Lori Beth Merrill and Penny Martin underscores HVP’s long-standing reputation for working seamlessly with clients. Committed to providing the ‘white glove’ treatment . Penny’s adept management of client-attorney interactions and communications and Lori Beth’s background as a real estate appraiser complement the legal services offered by HVP’s three partners, Thomas A. Haeuser, Anthony R. Valluzzo, and Mary Piasta.