JOHNSTON & KOPER GROUP, INC. is a general-contractor specializing in construction projects across a wide range of industries, delivering reliable and timely solutions for diverse client needs. Serving clients throughout Irvine, CA, they manage projects from initial planning to final completion.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how JOHNSTON & KOPER GROUP, INC. broke down on May 3, 2026.
Operator ranks every general contractor in Irvine every night at 2 am HST using reviews, response rate, and local market share.
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