{"project":{"slug":"roof-replacement-cost","name":"Roof replacement","category":"Renovation","size":2200,"unit":"sq ft","materialQuality":"standard","complexity":"standard","condition":"average"},"location":{"state":"Texas","stateCode":"TX","city":"Dallas","label":"Dallas, TX"},"estimate":{"currency":"USD","low":8859,"expected":11074,"high":13732,"labor":5599,"materials":5168,"permit":307,"optionalServices":0,"contingency":1329,"costPerUnit":5.03,"timeline":"2–4 working days"},"model":{"confidenceScore":0.76,"confidenceLabel":"city-adjusted planning model","source":"HomeCostGrid local planning factor informed by BEA regional price parities","sourceDate":"2026-07-27","reviewedAt":"2026-07-27","disclaimer":"Planning estimate, not a contractor quote, appraisal, permit determination or offer."},"links":{"calculator":"https://homecostgrid.com/calculators/roof-replacement-cost","methodology":"https://homecostgrid.com/methodology","dataSources":"https://homecostgrid.com/data-sources","documentation":"https://homecostgrid.com/developers"}}