Wljohnson Irrigation & Landscaping provides garden care and maintenance. Based in Mcminnville, Oregon and working throughout the surrounding towns and villages. Wljohnson Irrigation & Landscaping offers the complete Architectural & Engineering Services prides itself on offering a friendly top quality Architectural & Engineering Services to several happy and satisfied clients. Established in 2009, Wljohnson Irrigation & Landscaping has many years’ experience in Architectural & Engineering Services.