Retaining walls also help hold back steeply sloped soil, and control soil erosion and drainage ... without professional ...

However, last month, the homeowner next to the drainage pipe hired a crew to fill it with concrete, escalating a 10-year dispute to another level. “She believes that we put the pipe in,” HOA ...

Across Seattle, concrete blocks, sometimes referred to “ecology ... Crews will also make drainage and landscaping improvements, she said. In this case, the idea for a bike lane on the site ...