Single-family rebuild-cost proxy for buyer, owner and lender agents: Census Building Permits Survey value per unit, trended by the BLS construction-input PPI, as a $/sq ft range under a stated size, floored at FEMA $100. Returns the same records as locus_rebuild_cost_context. Use this when your client can only call paid x402 routes. Use locus_rebuild_cost_context instead when you can call Locus free tools (REST tools/call or MCP).

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