Permaculture system design to maximize stormwater infiltration and ecosystem benefits. Rain gardens, Hugelkultur systems, aerial and wet-line conveyance to make wise use of this immense resource.

We are a deep-green and vegan company that provides expertise in outdoor living space solutions for residential and business clients. This includes site analysis, hard-scape feature and planting design, and edible landscaping, storm water, and wildlife-enhancement techniques to improve clients' environmental impact, resiliency, and ability to maximize property resource availability. We cater to the green market, including small businesses, homeowners, property managers, and non-profit groups and centers. We are established in a dedicated office room in the proprietor's home in in the heart of the vibrant city of Portland, Oregon, A green center in the Pacific Northwest, Portland is home to hundreds of sustainable businesses and a vibrant green movement.

Automatic and ecologically-friendly drainage systems

As soil and water experts who use the latest in geo-technical and laser technologies, we can assure you great results for your drainage needs. If you need some expert site repair, or any drainage services, then you've come to the right place. Call Grant Johnson Drainage Company today for a free estimate or consultation!

Landscape Design, Stormwater Management - green roof design, Rainwater Harvesting, permeable paving, stormwater swales and planters. Irrigation Design. Streambank restoration.