Denver, CO Salary. Denver, CO average salary is $65,266, median salary is $58,759 with a salary range from $20,160 to $1,653,000. Denver, CO salaries are collected from government agencies and companies. Each salary is associated with a real job position.
How much does it cost to build a court? The average cost to build a residential tennis court from start to finish including dirt work, post tension slab, fencing, lighting, surfacing and accessories, is about $65,000. However, prices can easily range anywhere between $50,000 to $80,000 depending on options.
1 Hard courts are more expensive upfront, but incur less maintenance costs over time.  Area: You must have sufficient room to build a court. The standard size for a regulation double tennis court is 60 feet wide by 120 feet wide; a regulation single court should be at least 55 feet wide by 115 feet long. These measurements, however, reflect only the court itself.