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Mason Helmstetter Associates, LLC

Contact us today and one of our well qualified appraisers will be happy to help you with your appraisal needs!

Don has over 40 years of appraisal experience; he holds General State Certification in New Jersey and New York and has been an MAI since 1980.   He is qualified as an expert witness before several courts including the Federal Bankruptcy Court, New Jersey Superior Court, and County Boards of Taxation and the Tax Court of New Jersey.  Before becoming a real estate appraiser, he graduated from Montclair State University.  Don is also a past president of the Metro New Jersey Chapter of the Appraisal Institute and has served the chapter on numerous committees and on the board of directors.   

Kristen is a graduate of Skidmore College and has over 10 years experience appraising properties of various types.  She earned her SRA designation in 2014.  She currently holds a state certification as a residential appraiser, but is pursuing her General State Certification which she hopes to complete this year and will eventually complete the requirements for the MAI designation.  Additionally,  she has been an active member of the Metro New Jersey Chapter of the Appraisal Institute having recently completed a three year term on the Board of Directors and currently serves as the chair of the Technology and Communications Committee.  


Kristen Helmstetter, SRA

Donald J. Helmstetter, MAI

Meet our appraisers