Design Alchemy

Design Alchemy is an award winning design firm with over thirty-five years experience crafting high end residential environments and unique hospitality around the globe.


Design Alchemy is the vision and creation of mother daughter team Kristine and Deborah.

The duet is fully involved in every project focusing on select large-scale residential properties and boutique commercial spaces where they can develop strong relationships. Their goal isn’t to transform one room, they want to age and grow with their clients and their families over a lifetime. 

Partners Kristine Renee and Deborah Costa don’t just unabashedly love what they do, they share a special bond that is unique to mother and daughter and the duet is effective because of the combination of their talents.

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The Design Alchemy team is multi-faceted operating a retail showroom, interior design practice & our sister staging firm, staged by alchemy.

Headquartered in Northern California, Deborah and Kristine travel the world to source and create unique home furnishings for their clients and storefront. Featured in a multitude of publications and hard cover books, our team is honored to have been awarded numerous accolades and press features.

Design Alchemy is truly a collaborative effort. Our talented design staff manages the front end while our warehouse team supervises our dedicated moving crew and 10,000sf warehouse. We have also established close working relationships with leading contractors, custom textile fabricators, tradespeople, suppliers and photographers to deliver esteemed results.


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