About
Ridge Design + Build is a family-owned residential design and build studio based in Sonoma, California, specializing in luxury custom homes that capture the best of the wine country lifestyle.
Ridge Design + Build’s projects capture the true essence of California living, featuring exceptional, high-end homes that are equally sophisticated and approachable, and intimately connected to the beautiful Sonoma environment. The firm specializes in building luxury residences for modern families, with an emphasis on quality construction and thoughtfully sourced materials.
Who We Are
Sena Tudisco has an extensive background as a results-oriented retail executive with experience driving growth and transformative strategies in personal care, home fragrance, fashion accessories, and apparel. Her deep understanding of consumer behavior and market dynamics, as well as an extensive background in creative design, allows her an especially unique perspective on real estate development and architectural design. Adept at identifying market and design trends, she is passionate about and continually pursuing (okay, obsessing over) the next new idea. After more than 20+ years in corporate roles, owning more balance in the day to day work and family was a huge driving force between her and Aaron’s move to Sonoma to be closer to Family and start their own business. Amidst curating Italian marble, brass lighting, and kitchen workspaces, Sena prioritizes attending her children's school events and experimenting with new recipes nightly.
Aaron Tudisco is a creative and operations leader who co-founded Ridge Design + Build with his father, sister, and wife in 2018. Growing up on his father’s job sites picking up nails and sweeping floors, Aaron joyfully returned to construction and residential design years later after early careers in film and retail marketing. At Ridge, he manages daily construction and development operations, including subcontractor management, budget control, and schedule adherence, while ensuring the collaborative vision of his partners, Allegra and Sena. Aaron's previous background includes Director-level marketing roles at La Senza and Big Lots, Inc., where he led content production, campaign management, and cross-functional collaboration for multi-channel marketing strategies. He also worked as a Feature Producer and in development at WildBrain and Lucasfilm, overseeing projects from concept to production. Outside of work, Aaron enjoys traveling for new and exciting food and music (especially Arcade Fire) and, most importantly, spending time with his family exploring the Bay Area and traveling abroad.
Allegra Diggins brings 20 years of experience in tech marketing and events, blending creativity, strategy, and a strong sense of organization into every aspect of her work. As a mom of three and wife to a nonprofit leader and kids’ sports coach, Allegra is deeply rooted in her family and community. Her love of design, building, and creating architecturally stunning spaces is driven by a belief that homes should reflect both beauty and function. After moving to Sonoma to embrace the charm of small-town wine country life, Allegra finds daily inspiration in the vineyard surroundings, the rhythm of community, and moments spent traveling (Greece is her favorite), listening to music (Avett Brothers is a staple), and creating spaces that feel like home.