Commercial real estate acquisitions require comprehensive assessment where environmental issues can create unexpected costs or liability exposure. Multi-family residential investments need thorough evaluation to protect against tenant health claims and regulatory violations. Industrial and manufacturing facilities demand specialized assessment protocols that account for historical operations and potential contamination sources. Properties with unknown environmental history pose significant risks that only professional evaluation can identify. Due diligence for lenders and financial institutions requires comprehensive environmental documentation to support lending decisions, while portfolio risk assessment helps property managers identify potential liabilities across multiple properties and establish remediation priorities.