How Much does a Rain Garden Cost?

The cost of a rain garden depends on several site-specific factors, such as the total drainage area of your property, soil composition, and the complexity of the excavation required. While we offer competitive and affordable rates, the final price is determined by the scope of the professional landscape services needed for your unique project.

Key factors that influence the overall investment include:

  • Site Assessment and Testing: Conducting percolation tests to determine if your soil is clay-heavy and requires amendments.
  • Excavation and Grading: The labor and equipment needed to dig a basin 6 to 12 inches deep and create precise 2–5% slopes for water flow.
  • Soil Amendments: For Langley’s clay soils, we often mix a 2:1 ratio of sand to native soil to improve drainage.
  • Plant Selection: The variety and quantity of native rain garden plants, such as Swamp Milkweed, Blue Flag Iris, or Red Osier Dogwood, used to populate the basin.
  • Materials: Costs for shredded hardwood bark or cedar mulch, edging, and potential overflow systems or geotextile fabrics.

We provide free onsite quotes and estimates to give you an accurate price for your property. Please note that these estimates are subject to onsite inspection and may change after a full assessment. Prices do not include local permit fees, which are the responsibility of the property owner.

Let’s Elevate Your Outdoor Living—contact us today to schedule your consultation.


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