MPERA, LLC Share: Geotechnical Engineering MPERA, LLC Visit Website 13611 NE 145th St Woodinville, WA 98072 (425) 292-8745 About Map About MPERA is a certified DBE/MWBE geotechnical engineering firm providing comprehensive design, peer review, and value engineering services for infrastructure, transportation, and building projects. What's Nearby? Distance: 5 10 15 20 25 50 mi.