Advanced Terrain Design, Inc. Advanced Terrain Design, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 31 - Earthwork >> 31 23 00 Excavation and Fill Advanced Terrain Design, Inc. 830 Jonathan RdWeiser, ID 83672 | View on Google Maps JR Bumgarner (208) 550-2569 Visit Site Connect With Us Advanced Terrain Design is an excavation company that specializes in residential and commercial site development, utilities, roads, pads, foundation excavation and backfill, and septic systems (both basic and complex). Member Since: 2018 Send a message to: Advanced Terrain Design, Inc. Your Name: Your Email: Subject: Message: (Date: 8/12/2025)