Parking Lot Sealcoating in Chicago, Illinois

Coal-tar or asphalt emulsion sealcoat application to protect and extend the life of existing asphalt. In Chicago, pricing typically runs $0.13 to $0.32 per sq ft (single coat with crack fill) — about 8% above the national average. Severe lake-effect freeze-thaw plus heavy salt treatment — pavement stress is year-round. Lakeshore fills and glacial clay — subgrade prep and subbase drainage are critical. Permitted through Chicago Department of Buildings; typical review window 10-16 weeks with Department of Transportation and Water Management coordination.