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Concord, CAWalnut Creek, CAMartinez, CALafayette & Orinda, CA
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Garage Conversion vs New ADU: Which Is Better for Your Contra Costa Property?

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ADU Cost Guide for Contra Costa County in 2026

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Licensed General Contractor · Pacheco, CA

CSLB Class B #1046016

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(925) 448-2123devin@devco.llc
5702 Marsh Dr. Ste. K, Pacheco, CA 94553

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