17-3304 Mariner Avenue Tiyan Barrigada, Guam 96913-1617
1.671.300.4751/2 • Fax: 1.671.300.4531

Address, Location and hours

Todu Y Nilala T Tano Man Uno • All Living Things Are One

Guam EPA Mailing Address
17-3304, Mariner Avenue
Tiyan, Barrigada, Guam 96913-1617

Guam EPA Administration Office
Building 17-3304, Mariner Avenue
Tiyan, Barrigada, Guam 96921

Guam EPA Operations Building
15-6101 Mariner Avenue
Tiyan, Barrigada, Guam 96921

How to Find Us
Enter the Tiyan area through the gate closest to the Tri-intersection located along Route 8. Pass the guard house. Take a right at the stop sign.

The Operations Building is the first building on the right. The Administration Building is two blocks beyond on the left side of the road.

Operational Hours
Both the Administration and Operations buildings are open for business from 8 a.m. to 5 p.m. with a closure from noon to 1 p.m. for lunch.

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