Contra Costa County Admin & EOC Buildings
![](https://jwmcco.com/wp-content/uploads/2022/09/Contra-Costa-Co.-Admin-EOC-Building-1024x576.jpg)
Design-build plumbing on county admin buildings focused on efficiency and community.
10th and O Street Office Building
![](https://jwmcco.com/wp-content/uploads/2022/06/10th-O-St-1024x576.jpg)
Award-winning building that achieved LEED Platinum, Zero Net Energy and more.
Design-build plumbing on county admin buildings focused on efficiency and community.
Award-winning building that achieved LEED Platinum, Zero Net Energy and more.
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