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2823 Central Ave.
Alameda, CA 94501
Construction Litigation, Expert Witness, Forensics
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Expert Witness/Litigation Support
De Haan & Associates is a full service expert witness consulting firm comprised of General Contractors, Electricians and Mechanical Engineers. We specialize in roofing, HVAC, cladding, concrete, subgrade waterproofing, sheet metal, electrical, energy efficiency, change order analysis and reconstruction.