Average Hourly Cost: The average hourly cost for a custom home builder to install a foundation in 2023 is approximately $90.00 per hour.

Cost Breakdown: The cost of a foundation installation typically includes the cost of materials, labor, and equipment. Materials typically account for around 40-50% of the total cost, labor accounts for 40-50%, and equipment accounts for 5-15%.

Factors Affecting Cost: The type and quality of the foundation materials, the complexity of the job, the location of the job, and the service provider can all affect the overall cost of the foundation installation. For example, installing a foundation in a remote area may cost more than in a more accessible area due to transportation costs. Additionally, the cost of the foundation materials can also vary depending on the quality and type of materials used.