The answer to 'average cost of grass' is that the cost can vary widely depending on several factors, but typically ranges from $0.50 to $3 per square foot installed. The primary factors that influence the cost of grass include the type of grass (sod vs. seed), the size of the area being covered, the soil preparation required, and the labor costs in your local area.
Sod is generally more expensive upfront but can provide an instant green lawn, while seeding is more affordable but takes time to establish. The cost of soil amendments, irrigation systems, and ongoing maintenance should also be considered when budgeting for a new lawn. It's essential to get quotes from local landscaping companies to understand the specific costs in your area.