Average Cost per Square Foot to Build a House in San Diego (2023–2024)

As of 2023–24, building a custom home in San Diego County costs roughly $300–$500 per square foot, with luxury/high-end projects exceeding $600/ft². Key variables:

• Location: Coastal/La Jolla/Del Mar > inland valleys.
• Size: Smaller homes have higher $/ft² (fixed costs spread over less area).
• Design complexity: Multi-story, curved walls, smart-home wiring, high ceilings add cost.
• Materials & finishes: Imported stone, custom cabinetry, premium appliances, net-zero systems.
• Labor market: Skilled trades shortage in SoCal pushes wages up.
• Permits & fees: SD impact fees, school fees, coastal commission reviews.

Get detailed bids from 3+ licensed GCs; budget 10–20% contingency. Land cost is separate.