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Contra Costa County

Conservation & Development - Building Division · Martinez, California

Applications & Permits Phone

Fax number 925-655-2700

Verified destination Checked Jun 3, 2026

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Organization: Contra Costa County
Department / office: Conservation & Development - Building Division
Intended use: Directory entry for county building/permit compliance program; extract contacts, submission method (Green Halo), effective date, diversion requirement, and approved facility list link.
Department: Conservation & Development
Office: Current Planning (Planning and Zoning)

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Fax Conservation & Development - Building Division

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Fax destination: +1 for Contra Costa County — Applications & Permits Phone

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