Get the Protax Advantage

With more than three decades of experience, our team possesses deep knowledge of property tax regulations and processes.

With over $28 billion in assessed value reductions and more than 100,000 appeals applications filed, we bring over 34 years of expertise to serve you.

Our Journey: Over 34 Years of Excellence


Our Commitment

We operate with a results-driven approach and contingency fee model ensures clients pay only when they save. Over the years, our innovative two-tiered strategy has set industry standards, delivering significant savings.

Experts in Property Tax Reduction Since 1990


Founded on the principle that every property owner deserves a fair tax assessment, Protax LLC has grown into California’s leading independent property tax consulting firm.

Our founders launched the company with a mission: to bring transparency, expertise, and exceptional results to the property tax appeals process.

Our Mission


The Protax Advantage upholds the integrity of California’s property tax system, ensuring all taxpayers have equal access to reduce their property tax burden through expert consultation, strategic appeals, and unparalleled client service.

Our Approach


We approach every property with tenacity, legal insight, and market expertise. Our consultants use proprietary data analysis, local market insights, and in-depth knowledge of tax regulations to secure the best possible outcomes for our clients.

Why Choose Us?


Founded on the principle that every property owner deserves a fair tax assessment, Protax LLC has grown into California’s leading independent property tax consulting firm.


Unmatched Track Record: The highest success rate in the industry.
Client-Centered: Transparent communication with no hidden fees.
Statewide Reach: Serving clients across all 58 California counties.


At Protax LLC, our success is measured by your savings. Trust us to advocate for your fair property taxation.

ProTaxLLC aims to equip clients with knowledge and resources for tax savings.

Collective industry experience of over 300 years within our team.

Our expert team includes former tax assessors, attorneys, licensed real estate appraisers, and seasoned analysts with over 350 years of combined industry experience. Each team member provides personalized service, ensuring every client achieves maximum tax savings.

Meet our team


Dedicated to excellence in property tax services.

James Wiedenhoff

James Wiedenhoff

James is the Assistant to the Director of Real Estate Valuation at Protax, LLC, where he supports and manages the …
Joy Thorp

Joy Thorp

Joy is a Junior Administrative Assistant at Protax, LLC, specializing in data entry to verify County Tax/Assessor record information across …
Pauline Myles

Pauline Myles

Pauline is a Senior Administrative Assistant at Protax, LLC, where she ensures accurate data entry and verification of County Tax/Assessor …
Kathleen Vanderzee

Kathleen Vanderzee

Kathy Vanderzee is a Senior Executive Assistant to the Vice President at Protax, LLC, with over 30 years of experience …
Joanna Foley

Joanna Foley

Joanna is an accomplished finance professional with over 35 years of experience in financial management, strategic planning, and operational efficiency …
Neema Sammak

Neema Sammak

Neema Sammak is the Director of Systems and has worked for Protax, LLC for the past 13 years. He specializes …