
Looking for expert drainage systems in Marion, NC? Greenspan Landscaping Co. is Western North Carolina's trusted landscaping and water feature contractor, proudly serving Marion and surrounding communities in McDowell County.French drains, erosion control, and comprehensive water management for mountain properties. With over a decade of experience on WNC mountain properties, we deliver craftsmanship that lasts for decades.
Marion sits at the foothills-to-mountain transition in McDowell County. Steeper driveways and building pads call for engineered retaining walls, and mountain-rain runoff makes drainage essential before any patio or landscape install begins.
French drain installation — surface and subsurface drainage
Yard drainage solutions for pooling and standing water
Downspout drainage and extension systems
Catch basins and channel drains for hardscape areas
Erosion control — riprap, swales, and retaining solutions
Foundation drainage to protect your home
Grading and regrading to redirect water flow
Integration with retaining walls and landscaping

Signs you need a French drain include standing water in your yard, water in your basement or crawlspace, soggy or eroding areas, and water pooling near your foundation. WNC mountain properties are especially prone to drainage issues due to slopes and heavy rainfall. A free consultation will determine the best solution.
Drainage system costs vary widely based on the scope of work. A simple French drain may cost $1,500–$4,000, while comprehensive property drainage with grading, catch basins, and erosion control can range $5,000–$20,000+. Free on-site consultations available.
Yes — we design and install erosion control solutions including riprap, swales, retaining walls, drainage systems, and strategic plantings. WNC properties with slopes are especially vulnerable to erosion, and we have extensive experience solving these issues.
Schedule your free on-site consultation. We'll assess your Marion property and design a plan tailored to your vision.
Outside our typical service area — Black Mountain, Asheville, Candler, Old Fort, Fairview, and Marion — we are happy to travel for the right project. Depending on the distance and scope, we add an estimate for additional labor, travel, and (for multi-day jobs) lodging. Tell us your location when you request a consultation and we will build it into the proposal.