Free Construction Permit Databases by CityA verified directory of official public construction permit sources for Los Angeles, California: LADBS Online Building Records Search (Search portal); Dallas, Texas: DallasNow — Accela Citizen Access (Search portal); Houston, Texas: Houston Permit Portal (Search portal); Austin, Texas: Austin Build + Connect and Issued Permits Open Data (Mixed); Chicago, Illinois: City of Chicago Building Permits (Open dataset); Phoenix, Arizona: City of Phoenix Planning and Development Search (Mixed); Atlanta, Georgia: Atlanta Online Portal (Mixed); Nashville, Tennessee: Nashville Building Permits Issued (Open dataset); Denver, Colorado: Denver Permitting and Licensing Center (Mixed); Seattle, Washington: City of Seattle Building Permits (Mixed); Charlotte, North Carolina: Mecklenburg County Accela Citizen Access (Search portal); Miami-Dade County, Florida: Miami-Dade Building Permit Selection Menu (Mixed). Includes direct government links, coverage notes, useful fields, local market guides, a downloadable CSV, a public JSON endpoint, and an AI-readable Markdown version. Sources verified 2026-09-10. Permit records are research signals and should be checked for current status, scope, contacts, and procurement rules before outreach.