BRET JAHNKE is a general contractor based in Kailua, Hawaii, specializing in residential and commercial construction projects. He delivers comprehensive construction services, from design and permitting to project management and 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 BRET JAHNKE broke down on Apr 26, 2026.
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