Helmer & Sons
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910 Howell Mountain Rd, Angwin, CA 94508
910 Howell Mountain Rd, Angwin, CA 94508
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EmailEstablished in 1975, Helmer & Sons Inc. (HSI) is a construction company located in the Napa Valley, Calif. The company is licensed as both a General Building and Engineering (Sitework) Contractor and has completed projects in Napa, Sonoma, Solano and Lake Counties. It has completed large and small projects for public agencies, developers, general contractors, small businesses, and homeowners. Some of its projects include Benicia Fire Station, Carnegie Library, Carnegie Library, Vintage Hall, Ridgeview and Sandri Estates.
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Fax: 707-965-2982
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- General Contractors, Altering & Remodeling Contractors, Building Construction Consultants, Building Contractors, Building Contractors-Commercial & Industrial, Building Specialties, Concrete Contractors, Flooring Contractors, Home Builders, Professional Engineers
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