![View down 3rd Street on a sunny day in the Silicon Valley town of San Mateo, California, September 11, 2016. .](https://media.gettyimages.com/id/603984798/photo/view-down-3rd-street-on-a-sunny-day-in-the-silicon-valley-town-of-san-mateo-california.jpg?s=612x612&w=gi&k=20&c=cCgRlYnbXB4uX9g8EbZGQxBQndzFCNdxO8lMVgjLbNA=)
3,966 Mateo County Photos and High-res Pictures
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![View down 3rd Street on a sunny day in the Silicon Valley town of San Mateo, California, September 11, 2016. .](https://media.gettyimages.com/id/603984798/photo/view-down-3rd-street-on-a-sunny-day-in-the-silicon-valley-town-of-san-mateo-california.jpg?s=612x612&w=gi&k=20&c=cCgRlYnbXB4uX9g8EbZGQxBQndzFCNdxO8lMVgjLbNA=)
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Browse 3,966 mateo county photos and images available, or start a new search to explore more photos and images.