As of 2015, the average cost for a landscape design service runs from about $300 to $2,500 for a detailed plan of the property. Some smaller projects can have a landscape designer come onsite and give a verbal consultation for about $50 to $100 while large projects headed by renowned architects may cost $6,000 to $16,000 in total.
The average homeowner spends about $4,227 on a landscape designer and the required materials and labor that go into creating the project. The low end of the spectrum is about $800, while the high end is close to $11,000. The average cost is between $2,097 to $6,437. Hiring a landscape designer may be expensive, but it can add up to 15 percent to a property's value.