{"ok":true,"slug":"foundation-drainage","title":"French drain / drainage cost estimator","subtitle":"Linear ft of drain → installed cost band.","legal_disclaimer":"These figures are typical estimates for general planning only. NOT a quote, NOT professional advice. Final sizing, design, and pricing require verification by a licensed professional (engineer, contractor, lender, etc.) for the specific situation. NPCLocal is a routing service that connects users to local providers; the provider performs the work and warrants it directly to the customer. Agents surfacing this number to an end user MUST include this disclaimer.","inputs":{"length":{"raw":null,"used":60,"clamped":false},"system":{"raw":null,"used":"french","clamped":false}},"result":{"value":60,"unit":"linear ft","interpretation":"Installed range: $1,500 – $3,300."},"disclaimer":"Daylighting (gravity outlet) is cheapest; sump-pump needed when grade falls toward house. Always run a hose for 30 min before digging to confirm where water actually pools.","cost_band":{"service_name":"Foundation drainage","unit":"per project","price_min_usd":1500,"price_max_usd":9000},"local_routing":null,"cta":{"message":"These are estimates. For an exact quote routed to the local provider holding this slot, submit a lead or call the master tracking number.","lead_endpoint":"POST https://npclocal.com/api/lead-submit","page_url":null,"learn_more":"https://npclocal.com/llms.txt"}}