The cost of building a three-story light steel villa is influenced by various factors, including location, design specifications, building materials, labor costs, and more. Below are some factors that may affect the cost and a general price range:

　　1.Design Specifications: The design specifications of the villa, including the floor area, number of rooms, floor height, etc., directly impact the cost. Larger areas and more rooms will increase construction costs.

　　2.Building Materials: Light steel structure is used as the main building material for the villa, while other parts such as exterior walls, roofs, etc., may use different materials such as steel plates, insulation materials, exterior wall panels, etc. High-quality building materials will increase costs.

　　3.Location: Building costs vary significantly in different regions, with costs usually higher in first-tier cities and lower in remote areas.

　　4.Construction Techniques: Different construction techniques affect labor costs and construction time. Advanced construction techniques may increase costs but can also improve building quality and save time.

　　5.Interior Decoration Standards: The interior decoration standards directly impact costs. High-end decorations will increase costs, while simpler decorations will be relatively lower.

　　Based on these factors, the price range for building a three-story light steel villa may be between $100 to $330 per square meter. However, this estimate does not include additional costs such as architect fees, building permits, land preparation, transportation costs, etc. Additionally, it's important to consider additional expenses such as electrical installation, plumbing, door and window installation, interior decoration, etc. Therefore, when budgeting, it's essential to consider all aspects of costs and consult with professional construction companies or engineers to obtain accurate quotations.