The cost of building an underground house with a basement and a living area above ground level on concrete stilts can vary significantly depending on various factors such as location, size, design, materials used, labor costs, and the level of amenities and finishes desired. Additionally, economic conditions, building regulations, and the complexity of the project can also influence the overall cost.
That being said, it is challenging to provide an accurate estimate without specific details. However, I can offer a rough ballpark figure based on general construction costs. Please keep in mind that this estimate is not definitive and should be used as a starting point for your research and planning.
On average, construction costs for residential projects can range from $150 to $500 per square foot. Underground homes tend to be more expensive due to the additional excavation and reinforcement required. Assuming a mid-range cost of $300 per square foot and considering a typical home size of 2,000 square feet, the construction cost would be around $600,000.
Keep in mind that this estimate does not include the cost of land, permits, architectural and engineering fees, utility connections, landscaping, or other potential expenses like site preparation or specialized construction requirements.
To obtain a more accurate estimate, it is recommended to consult with local contractors, architects, or construction professionals who can assess your specific project requirements and provide a detailed cost breakdown based on your location and desired specifications.