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Flood and environmental questions buyers ask

Short answers first, sources at the bottom. Questions about our reports and prices are in the FAQ.

Questions

  • How much does a Phase I environmental site assessment cost?
  • Do I need a Phase I environmental site assessment to buy a commercial property?
  • What is a pre-Phase I environmental screen?
  • How do I look up a property's FEMA flood zone?
  • How do I check flood risk for a specific address?
  • Is my property in a flood zone?
  • How do I find out if a property used to be a gas station?
  • How do I check a property for underground storage tanks?

About our reports

  • Pricing and FAQ
  • Sample report
  • Guides by state

Check a property’s flood zone free

Type the address. See the FEMA flood zone and map, free. Add your email to see which buildings sit in the flood area.

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Phase1Check is an automated desk review of public records, databases and imagery. It is not a Phase I Environmental Site Assessment, does not meet ASTM E1527-21 or EPA's All Appropriate Inquiries rule, is not an official flood determination, and is not professional, legal, engineering or financial advice. Use is subject to our Terms, and our liability is limited to the amount you paid.

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