Practical and creative water and land infrastructure solutions
Osborn Consulting is a collaborative civil engineering and landscape architecture practice serving the Pacific Northwest. Headquartered in Bellevue, Washington, it delivers practical and creative solutions for stormwater, natural resources, open space, and utilities infrastructure. The practice collaborates with public agencies, school districts, and municipalities across Washington State.
Tarelle OsbornPresident and Principal Engineer
Laura RuppertChief Operating Officer and Vice President
Laurie ThomsenDirector of Collaboration and Vice President
Robert ParishDirector of Excellence and Innovation and Vice President
Maria PerakiBusiness Group Lead, Water
Kelsie JeppesenBusiness Group Lead, Special Projects
Ann BryantPractice Lead, Asset Preservation and Planning
Matt RandallPractice Lead, Civil Engineering
Deepa MungasavalliPractice Lead, Stormwater Management
Josh Van WiePractice Lead, Stormwater and Utilities
Peter Wurden-FosterPractice Lead, Natural Resources
Liz BrowningPrincipal and Landscape Architecture and Urban Design Practice Lead
Kas KinkeadPrincipal Emerita of Landscape Architecture and Urban Design
Becky Van WieringenDirector of People Operations
Madison PearsonDirector of Marketing and Sales
Megan IsaacksDirector of Finance
Delivering sustainable solutions from watershed-scale planning to site-specific designs, addressing complex regulatory requirements and environmental needs.
Developing mapping, planning studies, and outfall identification to meet municipal NPDES permit requirements.
Designing natural drainage systems, bioretention facilities, and green infrastructure that integrate with local ecosystems.
Engineering conventional piped conveyance systems and roadway drainage solutions to prevent flooding and manage runoff.
Restoring and preserving aquatic and terrestrial ecosystems with a focus on habitat recovery and water resource biology.
Designing culvert replacements and instream structures to restore historical fish populations and improve aquatic habitats.
Conducting fisheries biology studies, environmental assessments, and stream monitoring to support conservation efforts.
Fostering community connections and public realm magic through thoughtful site planning and design.
Creating public parks, plazas, and community spaces that blend ecological function with recreational amenities.
Developing separated bicycle and pedestrian pathways, streetscapes, and urban mobility improvements.
Planning and engineering water, wastewater, and drainage systems to ensure resilient municipal services.
Designing main extensions, replacements, and municipal utility upgrades for community resilience.
Evaluating existing drainage pipelines and utilities to identify rehabilitation and replacement needs.
Assisting public entities in managing and extending the useful life of existing civil infrastructure.
Providing comprehensive site development, grading, and transportation-aligned engineering for public facilities and campuses.
Delivering grading, drainage, and utility connection layouts for school campuses and civic properties.
Designing stormwater management and drainage systems for highways, interchanges, and local roadway corridors.
Government · Education · Transportation · Parks & Open Space · Sports & Recreation · Stormwater & Flood Control · Water Resources
Seattle, WA · 2023 · Client: Seattle Public Utilities
Multi-phase drainage and roadway improvement project to reduce chronic stormwater flooding in South Park's Lower Industrial Area, incorporating new drainage conveyance lines connected to the South Park Pump Station and temporary floodwall retrofits near the Duwamish River.
Wenatchee, WA · Client: City of Wenatchee
Transformation of a low-volume two-way roadway into a vibrant, safe pedestrian and bicycle corridor, featuring separated pathways, streetscape and utility improvements, enhanced illumination, and integrated stormwater management.
Anacortes, WA · Client: City of Anacortes
Stormwater permit compliance support, including developing and updating mapping for outfalls, discharge points, and tree canopies on city-owned properties.
Sammamish, WA · Client: City of Sammamish
Fish passage culvert replacement restoring salmon habitat along Ebright Creek.