What the Research Shows on Superfund and Home Values

Multiple peer-reviewed studies have documented the relationship between EPA Superfund sites and adjacent home values: • A comprehensive study in the Journal of Urban Economics found home values within 1 mile of Superfund sites are discounted by 10–15% on average compared to comparable homes outside the impact zone • The discount is distance-sensitive: homes within 0.25 miles see larger discounts; homes at 1 mile see smaller but still measurable effects • The discount is status-sensitive: homes near active cleanup sites are discounted more than those near sites that have received EPA "No Further Remedial Action Planned" (NFRAP) status • After cleanup completion, home values tend to recover partially or fully — one study found values rebounded within 3 years of EPA final closure These discounts represent real risks: environmental contamination can affect groundwater, air quality, and health outcomes for residents. The price discount reflects both the actual risks and buyers' perception of those risks (which often persist even after scientific remediation confirms safety).

How to Look Up Superfund Sites Near Any Address

EPA Superfund Site List (epa.gov/superfund/search-superfund-sites-where-you-live): search by state, county, or zip code for sites on the National Priorities List (NPL) — the most seriously contaminated sites requiring long-term cleanup. EPA ECHO database (echo.epa.gov): search by address or facility name for permitted facilities and compliance records. Shows industrial facilities with environmental permits, inspection history, and violation records. EPA Envirofacts (enviro.epa.gov): comprehensive search for multiple EPA databases simultaneously, including Superfund, Toxic Release Inventory, RCRA hazardous waste, and air quality. State environmental program databases: each state runs its own environmental cleanup program (often called Brownfields or Voluntary Cleanup Programs) for sites that don't rise to federal Superfund level. Search your state EPA website for "contaminated sites database" or "brownfields map." Run this check for any address within a 1-mile radius of your target property.

Negotiating Strategy When a Superfund Site Exists

If you discover a Superfund site within 1 mile of a property you want to purchase: 1. Check the site status: is it active (highest risk), in remediation (moderate), or closed (lowest risk)? 2. Research the specific contaminant: some contaminants (chlorinated solvents, heavy metals) have longer-lasting stigma than others 3. Research the cleanup timeline: how long until the EPA projects site closure? 4. Obtain a price concession reflecting the documented discount: if comparables show a 10% stigma discount, your offer should reflect that 5. Consider a Phase I Environmental Site Assessment for any property near known contamination — a licensed environmental professional can evaluate groundwater flow, contaminant migration potential, and actual exposure risk 6. Consult an environmental attorney if you are purchasing near an active NPL site

“I run an EPA Superfund and state contamination check on every property before we make an offer. In the vast majority of cases, nothing turns up and we move forward. But in the cases where something does turn up, the buyer has information they would not otherwise have had: what is the site, what is the cleanup status, and what is the likely impact on their future resale value. That information changes either the offer price or the decision to buy. A buyer who discovers a Superfund site after closing is in a fundamentally worse position than one who discovered it before.”

— Ryan Brown, Principal Broker & CEO, Own Luxury Homes®

• Hidden Threats Guide (Hub)
• Power Lines & Home Values
• Flight Paths & Home Values
• Sex Offender Registry & Home Values
• Cell Towers & Home Values
• Environmental Hazards & Home Values

Own Luxury Homes® — we research every threat before you buy. 12-Point Agent Integrity Audit™. Talk to a specialist ›