Oltmans Construction Co. is a full-service general contracting company based in Walnut, CA, with a legacy dating back to 1932. Specializing in commercial, industrial, healthcare, education, and affordable housing construction, they offer expertise in preconstruction, construction, project management, sustainability, and concrete services.
With a focus on integrity, craftsmanship, and safety, Oltmans Construction Co. has been recognized for their commitment to excellence and innovation in the construction industry. Their dedication to building strong partnerships and delivering exceptional service has solidified their reputation as a trusted building partner for over 90 years.
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