JON DUVALL is a general contractor in Guerneville. Operator refreshes the health score, market rank, and review feed every night.
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 JON DUVALL broke down on May 3, 2026.
Operator ranks every general contractor in Guerneville every night at 2 am HST using reviews, response rate, and local market share.
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Operator has not indexed public photos for JON DUVALL yet. Find your listing to add photo proof of your crew, equipment, and completed work.
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