Keijsers Koning Appraisals is a boutique firm offering tailored services to meet the needs of collectors and institutions alike.
Installation view of Beya Gille Gacha, Hide and Seek at Keijsers Koning, 2023.
Keijsers Koning Appraisals provides thorough, USPAP-compliant valuations grounded in rigorous research, market analysis, and a genuine passion for the works we assess. Whether you are evaluating an individual artwork or an extensive collection, our appraisals are crafted with the precision and care your art deserves.
Installation views of exhibitions at Keijsers Koning. From left: Breathing Amongst Werewolves, M Florine Démosthène, Liz Cohen, Barbara Hammer, io, Tamara Johnson, and Beya Gille Gacha, December 2022 – January 2023; Brent Birnbaum, Puppies & Trolls & Giraffes, Oh My!, 2024; Beya Gille Gacha, Hide and Seek, 2023; How far is in-between, Lisa Beck, Nayda Collazo-Llorens, Popel Coumou, and Dona Nelson, 2022.
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Keijsers Koning Appraisals is a fine art appraisal practice built on a foundation of scholarly rigor, market expertise, and an enduring love for art in all its forms. As a certified member of the Appraisers Association of America (AAA), our appraisers provide IRS-qualified and USPAP-compliant appraisal services for individual artworks or entire collections. We bring both a depth of knowledge and a discerning eye to every project, ensuring that our valuations meet the highest professional standards while tailoring our reports to the personal needs of each individual client.
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We approach every project as its own unique undertaking— beginning with transparent communication, followed by thorough research and meticulous market analysis. We draw on a wide network of auction records, dealer transactions, scholarly resources, and market intelligence to ensure our valuations are not only accurate but defensible and enduring.
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Our practice is designed to serve those for whom art is more than an acquisition. We work with established private collectors, estates, museums, and cultural institutions who understand the value of having a knowledgeable, dedicated appraiser by their side. Whether you are building a collection, planning a legacy, or navigating a complex arrangement, we welcome the opportunity to become a trusted part of your advisory circle, and to grow alongside you and your collection for years to come.
Installation view of A Path Less Traveled, a joint exhibition by Joel Cooner Gallery and Keijsers Koning, December 2023 – January 2024.
Fine Art Appraisals
Comprehensive, precise, and confidential, our fine art appraisals are USPAP-compliant and grounded in the Code of Ethics of the Appraisers Association of America. We appraise the full range of modern, contemporary, and outsider art — from paintings and sculpture to public artworks and time-based media.
Whether your needs concern insurance coverage, claims, and settlement; charitable donations; estate and gift tax and planning; collection planning; equitable distribution and litigation support; or art-secured lending, our valuations stand where it matters most: with absolute integrity.
To learn more about each, visit Our Services.
Installation view of A Path Less Traveled, a joint exhibition by Joel Cooner Gallery and Keijsers Koning, December 2023 – January 2024.