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Phone: (831) 809-9304
Nielsen Studios

Founded in 1989, ddA is a comprehensive architectural services firm serving Santa Cruz and the surrounding area. We provide design, permitting, and construction management services to residential, commercial, and institutional clients.

Dennis Diego received his MARCH from Tulane University. He now serves on the Santa Cruz Historical Planning Commission, the UCSC Friends of the Lime Kiln Board and teaches computer aided design at Cabrillo College.

In 2020 the practice merged with Nielsen Studios. Dennis and staff continue to provide architectural consulting services in association with the Nielsen team.