Section 11: Public Safety — Study of the Current and Ongoing Effects of the Operation of the Seattle-Tacoma International Airport

A 2020 study examined how Seattle-Tacoma International Airport has affected quality of life in nearby communities over the past two decades, looking at public safety, health, and socioeconomic conditions across three time periods: 1997, 2009, and 2019. The study built on a 1997 report that found airport neighbors bore disproportionate burdens—including lower property values, higher social service demand, and increased noise and pollution—while regional benefits largely bypassed them. Key findings confirm that many of those predicted adverse effects, such as shifts from owner-occupied to rental housing and rising service costs, have continued to materialize in communities closest to the airport.

Notes

Section 11 of the 2020 Stantec study examining public safety quality-of-life conditions in communities surrounding Sea-Tac Airport, covering the period 1997–2019 with focus on 1997, 2009, and 2019 benchmarks. Analyzes violent crimes, property crimes, motor vehicular theft, human trafficking, and illegal drug trafficking in study area cities including Burien, Des Moines, Federal Way, and Tukwila relative to King County, Seattle MSA, State of Washington, and United States. Reviews four key findings of the 1997 study — proximity value inequity, increased social service demands, adverse and favorable indirect effects, and airport capacity forecasts — and evaluates the Environmental and Social Management System (ESMS) methodology applied by the FAA. Discusses impacts of third runway opening, depressed residential property values, rental property concentration, lower household income, and socioeconomic effects on Highline School District communities. Part of the Department of Commerce 2019 Sea-Tac Airport Communities Impact Study (Commerce Impacts Study 2018), pages A-263 through A-284.

V V