303.432.9336 Hours: 8am ‐ 5pm MNT M‐Fri HOME COMPANY SERVICES PROJECTS LICENSED CONTACTS EXCELLENCE INTEGRITY. SAFETY. Diamond Excavating is a multi-year winner of the "Subcontractor of the Year" designation by the American Subcontractors Association of Colorado. CONTACTS PHONE: 303.432.9336 ADDRESS: 5940 W. 59th Ave, Arvada, CO 80003 HOURS: 8am ‐ 5pm MNT M‐Fri E-MAIL: info@diamondexcavating.com HOME | COMPANY | SERVICES | PROJECTS | LICENSED | CONTACT | 5940 W. 59th Ave | Arvada, CO 80003 | 303.432.9336 | info@diamondexcavating.com