Los Angeles County says a new high-tech hunt for untaxed aircraft has flushed out nearly 1,000 planes that were missing from the books, a cache officials say could add about $3.5 billion to the property-tax roll and pump tens of millions of dollars into local coffers. The push is aimed at closing long-standing blind spots in how private and commercial aircraft are tracked for local property taxes.
According to MyNewsLA, the county’s new system went live in January and flagged nearly 1,000 previously unassessed aircraft, pointing to roughly $2.5 billion in prior-year assessed value plus more than $1 billion in new assessments for 2026. The assessor’s office says that haul should translate into about $38 million in additional property-tax revenue that would ultimately support schools, cities, and public safety.
County records show the effort is powered by a one-year subscription to an “aircraft discovery and audit service,” funded with a one-time $700,000 transfer from the Information Technology Infrastructure Fund that the Board of Supervisors approved. Per a filing from the Los Angeles County Board of Supervisors, the platform was cleared by the county’s IT investment board to give appraisers real-time lists of aircraft with potential tax liabilities and to slash the hours normally spent on manual canvassing.
How the system works
The county filing says, “The platform will provide correspondence templates that auto-generate print-ready inquiry letters, billing letters, and property statements,” and notes that it can ingest returned documents and verify owner responses against county data. Officials say the tool pulls together multiple flight-tracking and registry data sources into a single dashboard, helping appraisers spot aircraft that appear to meet California’s “situs” rules for local assessment.
The idea is to automate what has long been a grind: tracking where aircraft actually spend their time, then generating the paperwork that starts the tax process. With everything fed into one system, staff can focus on analyzing which planes truly belong on L.A. County’s tax roll instead of piecing together data by hand.
Why aircraft slip through the cracks
California does not tax aircraft based on where they are registered but where they are “habitually located,” a legal standard explained in the State Board of Equalization assessors’ handbook. That test, combined with evolving flight-tracking privacy tools and complicated registration arrangements, has created gaps that county staff say some owners have used to avoid local assessment.
When planes split time between multiple airports, move frequently, or are shielded by privacy settings, it can be tough for local officials to prove that an aircraft really lives in L.A. County for tax purposes. The new system is designed to give assessors a clearer picture of those flight patterns.
Where the revenue would go
Prang’s office says the expected $38 million in new property-tax revenue would be distributed to schools, cities, and public-safety budgets as the aircraft assessments are added to the roll. The office also told MyNewsLA that the figure will likely climb as staff dig deeper into the data and firm up the matches.
Because most local agencies rely heavily on property taxes, even a relatively small slice from aircraft can make a noticeable difference in annual budgets once the money is booked.
Legal implications and appeals
Putting a value on aircraft and deciding where they should be taxed can get legally messy. Owners can argue that their planes spend more time in other counties or states and ask for apportionment or relief, and they can challenge the county’s numbers before local assessment appeals boards and, if necessary, higher bodies.
The State Board of Equalization’s guidance on aircraft assessment, set out in its publication State Board of Equalization “Assessors’ Handbook: Assessment of General Aircraft (AH 577),” details how counties are supposed to value aircraft, how to handle apportionment when multiple jurisdictions are involved, and what appeal rights aircraft owners have.
What to watch next
County officials are expected to begin mailing inquiry and billing letters to the owners flagged by the new service, then track how many of those assessments hold up after appeals and apportionment challenges. For now, the project is a one-year pilot paid out of the county’s IT infrastructure fund. If the early results survive legal scrutiny and keep generating revenue, the county could move to renew the subscription and look to fold even more aircraft value into future tax rolls.
