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Owner disputes Ventura County assessment of vintage aircraft; board to deliberate on situs and apportionment
Summary
Owner William Ochs challenged Ventura County’s apportionment of tax liability for his Beechcraft Baron (N9301Y), arguing primary situs is Lyon County, Nevada. The assessor’s office presented flight‑log analysis that showed substantial Oxnard ground time in 2024; the board recessed to deliberate.
William Ochs, owner of a Beechcraft Baron (N9301Y), appealed his 2025 Ventura County assessment on July 20, arguing the aircraft’s primary situs is Lyon County, Nevada, where he is domiciled and where he pays a personal property tax bill.
Ochs presented FAA registration, insurance documents, tax records showing payment to Lyon County, hangar lease terms at Oxnard, and flight logs. He told the board he bases and hangars the aircraft in Nevada and uses the Oxnard hangar only occasionally when visiting family or when transient maintenance is required. Ochs argued that transient visits and occasional ground time in California do not establish California situs for private general aviation — he cited Board of Equalization guidance and court decisions he says support that position.
Assessor Michael Gillinger and staff analyzed the owner’s flight logs and presented an alternative calculation showing that the aircraft spent a substantial portion of 2024 ground time in Ventura County (assessor calculation: 149 days in Oxnard, representing roughly 41% of ground time in the year). The assessor relied on Assessor’s Handbook 5‑77, Revenue & Taxation provisions, and case law to argue that when an aircraft has sufficient contacts in California and spends substantial ground time in‑state it can establish situs in California; where situs exists both inside and outside California, apportionment between jurisdictions is required.
The assessor also addressed the owner’s request for a narrow Rule 138 repair exemption, noting the owner had not provided maintenance invoices for 2024 and that prior documented maintenance in California occurred in earlier years; the assessor therefore denied Rule 138 relief for 2025 on the record.
Board members questioned both parties about domicile, the legal standard for habitual situs, the owner’s flight‑log tallies (Ochs provided his own tallies: 118 days in Oxnard in 2023; 124 days in 2024 per Ochs' statements; assessor’s analysis produced 149 Oxnard days in 2024), and whether prior mutual agreement with Lyon County existed (assessor noted Lyon County’s tax records allocate a 67% Nevada share and a 33% allocation that Lyon County historically permitted to be paid to Ventura County starting in 2013). The board took the matter under advisement for closed deliberation and will provide a determination later.
