PFAS water contamination has documented effects on property values in affected communities, and the presence or absence of effective filtration systems can influence real estate transactions. Both buyers and sellers benefit from understanding PFAS’s real estate implications.
PFAS Impact on Property Values
Academic research and real estate market analyses in heavily PFAS-impacted communities have found measurable property value decreases — typically 10 to 25% — relative to comparable properties in unaffected areas. The magnitude of impact correlates with contamination severity, media coverage, and whether remediation is underway. Properties near the most severely contaminated sites (military bases, industrial facilities) show the largest value effects.
Disclosure Obligations
Real estate disclosure requirements for water quality contamination vary significantly by state. Some states require disclosure of known water quality issues including PFAS. Others have no specific PFAS disclosure requirement but general material defect disclosure obligations may cover known contamination. Sellers with knowledge of PFAS contamination should consult a real estate attorney about applicable disclosure obligations in their jurisdiction before listing.
Filtration as a Value Factor
An installed, documented, and maintained certified PFAS filtration system can partially offset contamination stigma in the real estate market by demonstrating active management of the issue. Including filter maintenance records, current water test results showing filtered water quality, and system documentation in the seller’s disclosure package provides buyers with concrete evidence that the contamination is being addressed. In some transactions, sellers have also negotiated ongoing filter maintenance agreements or extended filter system warranties as sale conditions.