How Los Angeles Is Racing to Purge Duplicate Images From City Records — And How It Stacks Up Against London and Singapore

Los Angeles city departments collectively hold tens of millions of digital image files — photographs of infrastructure inspections, permit documentation, police evidence archives, and public works surveys — and a significant portion of those files are duplicates. That's the finding driving a quiet but consequential overhaul of the city's digital records management system, one that carries direct implications for the 2028 Olympic infrastructure buildout and the ongoing housing emergency under Mayor Karen Bass.

The problem isn't cosmetic. When the Bureau of Engineering or the Department of Building and Safety uploads redundant image files, it slows retrieval times, inflates cloud storage costs, and — critically for active projects — creates version-control confusion on construction sites where inspectors are working against deadlines. The city signed a multi-year contract with Microsoft Azure for cloud storage in 2023, and duplicate image bloat has emerged as one of the leading drivers of overage costs across at least four departments, according to city procurement records reviewed by The Daily Los Angeles.

What L.A. Is Actually Doing

The City of Los Angeles Information Technology Agency launched a structured deduplication audit in January 2026, targeting the Bureau of Engineering's digital asset library first. The bureau manages documentation for roughly 5,000 active capital projects across the city, from the Sixth Street Viaduct area in Boyle Heights to drainage upgrades in the San Fernando Valley. ITA staff identified that image duplication rates in some departmental folders ran above 30 percent — meaning nearly one in three files was an identical or near-identical copy of another.

The Department of Building and Safety, which processes tens of thousands of permit inspections annually across neighborhoods including Koreatown, Sylmar, and Watts, began piloting automated deduplication software in March 2026. The software flags perceptual duplicates — images that are not byte-for-byte identical but are visually redundant — a distinction that matters enormously in permit and code-enforcement workflows. The pilot covers roughly 2.4 million image files. A broader rollout to the LAPD's evidence management system is scheduled for late 2026, pending an independent privacy review by the city attorney's office.

There's urgency beyond housekeeping. The Los Angeles Organizing Committee for the 2028 Games has required city partners to demonstrate clean, audit-ready digital records chains as a condition of coordinating on venue infrastructure. That requirement has accelerated timelines that might otherwise have stretched into 2027.

London Did It Faster. Singapore Did It Better.

Comparisons with peer cities are instructive and not entirely flattering to L.A. Transport for London completed a citywide deduplication program for its engineering image archive in 2024, cutting storage costs by an estimated 22 percent over 18 months, according to a published TfL digital transformation report. The effort was centrally coordinated through a single program office rather than department by department — the key structural difference from L.A.'s more fragmented approach.

Singapore's government technology agency, GovTech, went further. Its whole-of-government digital asset management framework, launched in 2022, mandated deduplication at the point of upload rather than retroactively — meaning files are checked against existing records before they are saved, not after. That upstream approach prevents the backlog from forming in the first place. L.A.'s current pilot is entirely retroactive, working through years of accumulated redundancy.

The cost gap is real. Cloud storage for unoptimized government image archives runs roughly $23 per terabyte per month on standard Azure tiers. A city the size of Los Angeles, managing active construction, permitting, and public safety imagery at scale, can accumulate petabytes of data quickly. Even modest deduplication gains translate to six-figure annual savings.

Residents won't feel this shift directly. But the downstream effects — faster permit processing at LADBS counters on Figueroa Street, cleaner documentation chains for housing projects in South L.A. being pushed through under the mayor's emergency declaration — are concrete. City officials plan to expand the program to the Department of Water and Power's infrastructure inspection archive before the end of the fiscal year on June 30, 2027. Whether L.A. can move from a reactive cleanup to the kind of prevention-first system Singapore built will depend on whether ITA wins the budget authority to mandate upload-level deduplication across all departments — a request currently sitting in the city administrative officer's office awaiting review.