Our Story

Opp & Seibold General Construction was formed in 1974 by two college students from North Dakota. Ken Seibold and Larnie Opp moved to Walla Walla in 1972 to attend Walla Walla College and started doing construction work as a means to fund their college education. Soon they were so busy that they put college on hold to focus on the construction business. In 1976 they formed the corporation. In the early years Ken and Larnie were roofing contractors. Later they gravitated into concrete construction, serving as a leading concrete sub contractor in the Walla Walla area for over ten years. In the mid 1980's Ken and Larnie took the big step into general construction and quickly gained a reputation as a trusted partner for the construction needs of many local businesses. Since that time Opp and Seibold has become proficient in all forms of commercial construction systems; including steel, concrete and wood frame. Opp & Seibold builds a variety of structures, including Nucor Steel Buildings, for clients across public, private, and non-profit sectors. 

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