SUMAC Construction is a family-owned and-operated general contractor serving San Diego and the Southwest. Founded in 1977, SUMAC has become an industry leader in the construction of luxury homes, remodels, and tenant improvements. Led by second generation CEO Dan Giebelman, SUMAC’s work can be seen throughout San Diego County, especially in the communities of Rancho Santa Fe, Del Mar, La Jolla, Solana Beach, Mission Hills, and Point Loma. Past client and architect referrals are the main source of new projects, which bear witness to SUMAC’s reputation for honesty, integrity, transparency and construction expertise.

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Architects Create Beauty | SUMAC Builds It


” The Sumac family could never have achieved the success we’ve had without the expert help of our extended family of employees, architects, and subcontractors. Thank you for carrying out our ideals of honesty, integrity, and construction quality.” Dan Giebelman

Many SUMAC built homes have been featured on the covers of lifestyle magazines. Our obsession for detail and craftsmanship can be seen in every corner of these beautiful residences.


SUMAC’s portfolio of work contains over 600 custom homes, remodels and tenant improvements. Each one of these projects have been built with the same Giebelmen family commitment to honesty and quality.