The cost of a foundation depends on various factors such as the location, size, type of foundation, soil condition, and labor costs. In general, the average cost of a foundation for a new construction project can range from $5,000 to $40,000 or more.
The type of foundation can significantly affect the overall cost. For example, a slab foundation is the most affordable option at around $5 to $10 per square foot. A crawl space foundation could cost around $7,000 to $14,000, while a full basement foundation typically costs around $18,000 to $30,000 or more.
Site preparation and excavation costs could range from $500 to $5,000 depending on the ground conditions. Additional factors such as slope, rock or debris removal, drainage, and waterproofing could add to the cost.
Labor costs could also vary depending on the region and the experience of the contractors. The cost of labor could range from $10 to $30 per square foot, which includes excavation, foundation pouring, and finishing.
In summary, the cost of a foundation can vary significantly based on several factors, but an average range of $5,000 to $40,000 could be an estimate for a new construction project.