Callahan Design Group is listed under the Interior Designer category (which is under the following categories: Other Business Services -> Business Services, NEC).
They are listed as being a B2B (business to business) company.
Callahan Design Group was founded in 1984.
They are located at 662 Arimo Avenue in Oakland, California.
Mobile and regular directions can be viewed below as well as their phone number, ratings, website (when listed).
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