Environmental and ecological services in Seattle, WA

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Our 90 minute Rapid Response time sets us apart from our competition. Our compassionate and certified Trauma & Crime Scene Technicians are available to help family members and neighbors through a tragic event. We help bridge the gap between homeowners/tenants and municipalities when there is a Public safety concern such as homeless encampments riddled with drug paraphernalia. Call US now to report an active camp in your neighborhood.

Riparia Environmental, formerly Olson Environmental and now a subsidiary of MacKay Sposito, has a longstanding history of serving the Pacific Northwest with trusted expertise in environmental compliance, ecological restoration, stormwater management, and landscape services. Our experienced team is dedicated to building resilient ecosystems through responsible solutions. By collaborating with MacKay Sposito's engineers, scientists, surveyors, and construction managers, we integrate a broad range of disciplines to meet clients' diverse needs. We offer a full range of natural resource-based environmental services for residential, commercial, public works, and retail development.