J&M Excavation and Construction J&M Excavation and Construction Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 31 - Earthwork >> 31 00 00 Earthwork J&M Excavation and Construction PO Box 1793Sandpoint, ID 83864 | View on Google Maps Jeff Laybourne (208) 610-9281 Connect With Us J&M Excavation and Construction is a specialty contractor providing heavy civil and residential excavation and pipeline construction services. Member Since: 2025 Send a message to: J&M Excavation and Construction Your Name: Your Email: Subject: Message: (Date: 10/28/2025)