The answer to 'landscape design installation cost in my area' is that the cost can vary significantly based on several factors, but typical ranges are generally between $5,000 to $20,000 for a full landscape design and installation project. The exact cost will depend on the size of your property, the complexity of the design, the materials and plants used, and the labor required.
Some key factors that influence the cost include the scope of the project (e.g. new landscaping vs. renovating an existing landscape), the quality and types of plants, trees, and hardscaping elements, the accessibility and terrain of the site, and the expertise and labor rates of the landscaping contractor. Getting local quotes from reputable landscapers is essential to accurately estimate the costs for your specific project and location.