Source standards

Sources & Research Standards

Mold inspection and remediation reference image

Cost pages will distinguish authoritative guidance from market pricing. Government and standards-based sources are used for remediation principles and safety context; current contractor-market and cost datasets may be used for price ranges when methodology is visible.

Preferred source categories

  • U.S. Environmental Protection Agency mold and moisture guidance.
  • Centers for Disease Control and Prevention mold guidance where health context is necessary.
  • IICRC standards and professional remediation guidance where accessible and appropriate.
  • State and local government resources for licensing, consumer protection, or jurisdiction-specific rules.
  • Current market-cost datasets and contractor pricing references with transparent scope assumptions.

Every substantive cost page should cite the sources that support its specific claims. We do not treat an unsourced number repeated across many websites as independent confirmation.