Established in 2000, Cybul / Rondou & Associates, Inc. has become a well respected property tax management firm in the Residential Real Estate industry.

John's experience in personal property as well as commercial real estate tax consulting, provides a well rounded expertise to Cybul / Rondou & Associates, Inc.

As a founding member of Cybul / Rondou & Associates, Inc., Joe brings more than 20 years experience in resolving segregation issues, property tax prorations and negotiating assessment appeals. 

With experience regarding commercial and personal property tax issues, Cybul / Rondou & Associates, Inc. provides a complete array of property tax management services to each client.

Specializing in Residential real estate tax management and consulting, Cybul / Rondou & Associates, Inc. has been instrumental in the resolution of countless property tax issues, the processing of tax segregations, and successful negotiation of numerous assessment appeals.


25115 Avenue Stanford, Suite B126

Valencia, CA  91355

p: 661-775-8922

f:  661-775-8927

Adapting to changes within the property tax system, technological advancements, and industry requirements, Cybul / Rondou & Associates, Inc. provides its clients with the best management and consulting services possible.

Company Bio

Real Estate Property Tax Management and Consulting 

As a founding member of Cybul / Rondou & Associates, Inc., Susan's background with the Los Angeles County Assessor's Office provides a introspective resource for each of our clients.

With more than 20 years experience working with assessments and in the field of property tax management, Susan has developed an expertise in resolving complex assessment appeals, resulting in significant tax savings for our clients.


Joining our firm in 2004, John's prior experience as a senior consultant with the Aramark Companies, provides our clients with access to a nationwide tax expert.

Expertise      Knowledge     Integrity

John Kaczmarek

Senior Consultant

Joining our firm in 2004, Heidi brings a wealth of knowledge regarding County processes and the ability to resolve complex property tax issues.


An expert in the management of residential property tax portfolios, Joe provides our clients with property tax solutions, resulting in significant time and tax savings.

Heidi Stauffer



Joseph Cybul

Owner / Consultant

661-775-8922 x 23

Susan Rondou

Owner / Consultant

661-775-8922 x 22