Whitney Consulting Group, LLC was founded in 2018 by Stephan Hamilton as a dependable option for assessing services for communities of varying sizes. With decades of assessing experience in New Hampshire including the Director of the Municipal and Property Division of the NH Department of Revenue Administration for over ten years, served on the NH Assessing Standards Board and the NH Current Use Board for ten years, worked four years for the NH Board of Tax and Land Appeals, and six years for NH municipalities; Steve offers an incredible breadth and depth of knowledge on a multitude of subjects.

In order to best serve its clients, Steve has intentionally built a team of experienced, knowledgeable, and dependable members that communities can be confident in. With team members that specialize in different areas of assessing, Whitney Consulting Group can offer the expertise communities need.

Meet the Team


Stephan Hamilton, CNHA


A Certified New Hampshire Assessor and DRA-Certified Property Assessor Supervisor, Steve has over 36 years experience in municipal assessing and appraisal work. His expertise ranges from assessing standards and laws to valuation updates to effectively and efficiently running an assessing office to testifying and defending values.

Email: stevehamilton.wcg@gmail.com

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Emily Goldstein, CNHA

Senior Assessor Supervisor

Emily is a Certified New Hampshire Assessor and a DRA-Certified Property Assessor Supervisor. She has over 8 years experience in municipal assessing. She specializes in valuation updates, evaluating assessing practices to create consistency that communities can rely on.

Email: emilygoldstein.wcg@gmail.com

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Mary Pinkham-Langer, CNHA

Assessor Supervisor

A Certified New Hampshire Assessor and a DRA-Certified Property Assessor Supervisor, Mary has over 34 years experience in municipal assessing and appraisal work. Her expertise lies in Gravel and Excavation, Current Use, valuation updates, and assessing standards.

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Bob McCarthy

Assessor Supervisor

Bob is a DRA-Certified Property Assessor Supervisor with over 26 years experience in assessing. He specializes in commercial valuation, valuation updates, assessing software, and supervising assessing projects.

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Stephen Della Pelle

Measure and Lister

Steve is a DRA-Certified Measurer and Lister and is eager to build on his experience in the field.