Meet Katherine Yellen

USPAP Compliant and Certified by the

International Society of Appraisers

American Society of Appraisers     

203-438-9228 |
Connecticut & Westchester County


Katherine Yellen is a certified member of both the International Society of Appraisers (ISA) and the American Association of Appraisers (AAA). She has been appraising antiques and fine art since 1999 for insurance, estates, donations, equitable distributions, damage/loss and corporate collections. Her clients include individual collectors, major corporations such as Pepsi and Nationwide Bank as well as accountants, lawyers, insurance adjusters and insurance agents.

Katherine studied in England and received a Diploma in Antiques and Decorative Arts from the Regent Academy of Fine Arts in London and subsequently attended New York University to complete her Certificate for Appraisal Studies in Fine and Decorative Arts. She continues to take specialist courses and regularly attends appraisal conferences to further her education and stay current on the latest developments and regulations.

Appraisal Services

Katherine has done hundreds of appraisals over the years which have included a broad spectrum of antiques, fine art, silver, oriental rugs and ceramics. Katherine subscribes to several auction databases and attends local auctions in order to have the most up-to-date values on everything from expensive paintings and antiques to regular household items.  She holds a Bachelors Degree in Economics from the University of California which strengthens her ability to assess the marketplace and value each item appropriately.  

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Finding an Appraiser

Whenever there is a questions about the value of your personal property, there's also a risk involved.  It may be the risk of selling too low, or of paying too much; the risk of being under or over insured; the risk of not getting your fair share in a division of property; the risk of incurring tax penalties or being audited.

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Estate and Probate  Attorneys Who Have Used My Services

Andrew J. Buzzi, Jr. LLC, Danbury, CT

Chipman, Mazzucco, Land & Pennarola, LLC, Danbury, CT 

Davidson, Dawson & Clark LLP, New Canaan, CT

Lovejoy & Rimer PC, Norwalk, CT

Blair & Potts, Stamford, CT

 Cummings & Lockwood, Stamford, CT

Ferguson Cohen LLP, Westport, CT

Richard H. Saxl, Attorney at Law, Westport, CT

Berchem, Moses & Devlin P. C. Westport, CT

Gregory and Adams, PC, Wilton, CT 


" I used Ms. Yellen for my father's estate settlement. Her work was thorough and detailed. The report provided included good color images of all the items and excellent comparable values based on recent sales and auctions. Her communication skills throughout the process were excellent. I would use her again anytime, and have no reservations about recommending her top-notch services." NW G Westport, CT

“We just wanted to let you know that we received your appraisal yesterday for Mom’s estate. Thank you for a job well done. Everything was very well researched and professionally prepared. It’s nice to know the value of the items in the estate (and also know that all the time spent counting silverware wasn’t wasted after all).” Rip & Chrys, New Canaan, CT

“What a superb job you did on our appraisal. The careful research, fine photographs and footnotes are most impressive. Surly no insurance company can argue once Kathy Yellen has appraised! It was a delight meeting you.”
Helen & Robin, Pawling New York

“You’ve been a huge help on this account. Please know that your expertise is hugely appreciated and I will not hesitate to refer you to any of my customers that may need appraisal assistance in the future.”
Mandy Siwicki , Siwicki Insurance Agency, Stamford, CT