Los Angeles Is Quietly Leading the Push to Purge Duplicate Images From Public Records — Other Cities Are Watching

Los Angeles has begun a systematic sweep of its municipal image databases, targeting tens of thousands of duplicate photographs embedded in public records, planning documents, and emergency-management files — a problem that city technologists say has quietly inflated storage costs and slowed interdepartmental workflows for at least three years. The effort, coordinated through the city's Information Technology Agency on Spring Street, is the most ambitious deduplication push any American municipality has attempted ahead of a major international event, according to procurement records reviewed by The Daily Los Angeles.

The timing is deliberate. With the 2028 Summer Olympics now 25 months away, every city department from the Bureau of Engineering to the Los Angeles Fire Department is being asked to migrate legacy data into a unified platform. Duplicated image files — some records show the same permit photograph saved dozens of times across different departmental servers — slow that migration and drive up cloud-hosting costs. A 2025 audit commissioned by the city controller's office estimated that redundant digital assets across LA's 44 departments were costing the city somewhere in the range of several million dollars annually in unnecessary storage overhead, though the precise figure has not been publicly released.

What Is Actually Being Done, and Where

The deduplication program is running in phases. Phase one, which began in January 2026, focused on the Department of City Planning's Figueroa Street offices, where building permit image archives date to the early 2000s and had never been consolidated. Phase two, launching this fall, will roll into the Emergency Management Department's records — particularly relevant after the January 2025 Palisades and Eaton fires generated thousands of damage-assessment photographs that were saved redundantly across at least four separate platforms.

The Los Angeles Cleantech Incubator in San Pedro, which has been advising the city on sustainable data infrastructure, has flagged the energy dimension of the problem. Storing duplicate files in data centres draws unnecessary electricity. The city's own sustainability plan targets a 45 percent reduction in municipal energy use by 2035, and IT officials have acknowledged that bloated server loads work against that goal.

The city is using a combination of open-source perceptual hashing tools and a commercial platform licensed from a vendor whose contract, signed in March 2026, runs through June 2028. The contract value has not been disclosed in documents available to this reporter.

How LA Compares to London, Houston, and Singapore

Other cities have confronted this problem with mixed results. Transport for London spent roughly £2.3 million between 2022 and 2024 clearing duplicate image records from its infrastructure inspection database — a project that ran six months over schedule and required outside consultants. Houston, which faced a similar reckoning after Hurricane Harvey's damage documentation generated hundreds of thousands of images, completed a deduplication project in 2023 at a reported cost of $1.8 million, according to city budget documents published by the Houston Controller's Office.

Singapore's Urban Redevelopment Authority has been cited in planning circles as the clearest global benchmark. The agency embedded automated deduplication directly into its image-intake pipeline by 2021, meaning duplicates are flagged before they ever enter the permanent record. LA's Information Technology Agency has described a similar intake-level approach as a long-term goal, but that capability is not expected before 2027 at the earliest.

For Angelenos in neighborhoods like Boyle Heights and El Sereno — where city planning records are frequently requested by residents tracking development and displacement — the practical payoff is faster document retrieval. When a resident files a California Public Records Act request for permit photographs, staff currently search across multiple disconnected archives. A clean, unified image library would reduce average response times, though the city has not published a specific target figure.

The next milestone is an October 2026 progress report to the City Council's Budget and Finance Committee. If Phase one results are strong, council members are expected to consider expanding the program to cover records held by the Los Angeles Department of Water and Power, whose own image archive for infrastructure inspections spans more than two decades. Anyone tracking city contracting should watch the council's Technology and Innovation Committee agenda, where vendor performance reviews are typically posted 72 hours before each session.