This property has been in continuous use since at least 1903, with underground storage tanks installed as early as the mid-1920s. The City of Seattle acquired the site in the late 1930s and operated it as a transit bus barn beginning in 1939, expanding the facility by 1946 to include bus repair, maintenance, and fueling operations. Ownership later transferred to the Municipality of Metropolitan Seattle (Metro), which continued fueling and maintenance operations using hydraulic hoists, inspection pits, and an oil-water separator. Cleanup under the Standard Cleanup program ran from 1989 through 1998 and included removal of numerous underground storage tanks, excavation and on-site bioremediation of approximately 3,000 cubic yards of petroleum-contaminated soil, off-site disposal of an additional 20 cubic yards, and multi-year groundwater monitoring. That history could support an insurance cost recovery claim against carriers who issued insurance policies 40+ years ago.
Pre-1986 Commercial General Liability (CGL) policies were occurrence-based and did not contain an effective pollution exclusion in Washington. If contamination occurred while those policies were active, those historical insurance carriers may still have a legal obligation to fund the cleanup costs, even if the business closed or the property changed hands.
Petroleum contamination at this site traces to underground storage tanks installed as early as the mid-1920s and operated continuously through the late 1980s — decades of fueling and maintenance activity predating 1986. Occurrence-based CGL policies issued to the City or Metro during that long operational window carried no effective pollution exclusion under Washington law and remain enforceable today. A decade of documented remediation costs — tank removals, large-scale soil excavation, bioremediation, and groundwater monitoring — represent expenditures the historical carriers may be obligated both to reimburse and to fund as cleanup continues.
Restorical's role is to locate viable historical policies, determine whether a successful coverage claim is possible, and assist our clients and their legal counsel to obtain insurance coverage. Restorical then manages the claim, including accounting, to ensure the cleanup is funded in a timely manner.
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Contact UsThis analysis is preliminary and based on publicly available records. Restorical Research is not a law firm and does not provide legal advice.