Celebrating 100 Years of Service!

Contact Us

Keystone Appraisal Company is located at Independence Mall in Center City Philadelphia. We have provided comprehensive commercial and industrial appraisal services since 1908 and are proud of our established tradition of exceptional service. Welcome to our website. For a century, Keystone Appraisal Company has been a leading real estate appraisal firm in the tristate area. Knowledge, experience and integrity are the foundations of our company. We maintain a heritage of providing client-focused appraisal and consulting services directed at your needs and purposes. Timely delivery of quality reports is assured, as is credible litigation support and consulting. We welcome the opportunity to be of service.
To contact us via mail:

Keystone Appraisal Company
100 South Independence Mall West, 4th Floor
PO Box 40047
Philadelphia, PA 19106

Phone 215.925.6110
Fax 215.925.6330

Email us
commercial appraisals This site is dedicated to the memory of George D. Sinclair, MAI, FASA, President of Keystone Appraisal Company until his passing in 2005. An icon in this profession, George’s commitment to his clients, profession and community set the standards by which we operate today.

Keystone Appraisal Company | 100 S. Independence Mall West | 4th Floor | Philadelphia, PA 19106 | 215.925.6110