
Trevor Duffy
Founding Partner
Trevor is a highly regarded attorney specializing in tax assessment challenges, known for his skill in navigating intricate tax disputes and fighting for fair assessments. He has built a reputation as a leading authority in this field, representing a diverse clientele.
Professional Experience:
Trevor was an associate at the law firm of Wolfgang & Weinmann for 15 years where he specialized in property tax law. In his early career, he assisted with tax litigation and research, showcasing his ability to navigate intricate tax regulations and successfully challenging unjust tax assessments.
In 2024, Trevor established his own practice with the mission of delivering focused representation for clients dealing with tax assessment challenges. Under his guidance, the firm has gained a reputation for its thorough approach and impressive success in overturning unjust tax assessments and securing favorable settlements for clients.
Education:
St. Lawrence University, B.S. Biology
University at Buffalo School of Law, JD
His legal expertise is complemented by a strong advocacy for equitable property taxation, where he focuses on ensuring that property tax assessments are fair and transparent, thereby supporting local communities and homeowners.
Outside of his professional commitments, Trevor enjoys participating in the Erie County Bar Association Hockey League. He resides in Amherst with his wife and family, balancing his passion for law with family life and sports, while remaining dedicated to community engagement and advocacy for responsible taxation policies that benefit all residents.

Marcus Catlin
Founding Partner
Marcus is a distinguished property tax attorney known for his expertise in navigating complex tax disputes and advocating for fair assessments. Marcus has established himself as a leading authority in tax assessment challenges, representing clients ranging from publicly traded corporations to individual taxpayers.
Professional Experience:
Marcus began his legal career as an associate at a prestigious Buffalo law firm Wolfgang & Weinmann specializing in property tax law. His early work involved property tax litigation and challenging unfair tax assessments.
In 2024, Marcus founded his own practice with a mission to provide dedicated representation for clients facing tax assessment issues. Under his leadership, the firm has become known for its rigorous approach and successful track record in overturning erroneous tax assessments and achieving favorable settlements for clients.
Education:
University at Buffalo, BA Economics
University at Buffalo School of Law, JD
Community Involvement:
Marcus is committed to giving back to the community and regularly volunteers his time to provide pro bono legal services to low-income individuals facing property tax-related issues. He is also a professor at SUNY ECC where he mentors students and future lawyers interested in property tax law, sharing his expertise and guiding them through their career development.
FAQs
Why retain Duffy & Catlin to challenge your property assessment?
Duffy & Catlin have over 20 years of experience challenging assessments throughout New York. We have challenged thousands of assessments and achieved millions of dollars in tax savings for our clients.
What types of properties have we challenged?
Apartments
Assisted Living Facilities
Banks
Charter Schools
Condominiums
Gas Stations
Golf Courses
Hotels
Industrial Parks
Manufacturing Facilities
Marinas
Mobile Home Parks
Drug Store Chains
Retail Chains
Office Buildings
Real Estate Developments
Restaurant Chains
Senior Living and Memory Care Facilities
Shopping Centers
Theme Parks
Warehouses
Do I have a case?
We provide a thorough analysis of your case at no charge. If we determine that your property is over-assessed, unequally assessed, or illegally assessed, we will vigorously advocate for a fair resolution.
What will it cost?
Our legal fee operates on a strict contingency basis, meaning we will never charge you a legal fee unless we successfully reduce your assessment, and only after you’ve received a tax refund or a lower property tax bill.