Lost something? Start here to see whether it's been found and which police station it was handed in to.
Updated dailyThis page spells out where the data comes from, what this site does to it, and what can't be claimed from it.
Source. The National Police Agency's "Police lost-and-found online notices" (Government open-data platform, dataset 7317, Open Government Data License v1). This site re-fetches once every morning; it currently holds 89,103 items received by police agencies across Taiwan (including the freeway, railway and aviation specialist police), found between 2026-04-03 and 2026-10-03, data updated 2026-10-04 05:16.
What this data covers. Items that members of the public found and handed to a police agency, which the police then post for claiming. Under Article 803 and following of the Civil Code, items found at places like metro stations, railway stations and department stores are first posted for claiming by that venue's management (15 days for items worth NT$500 or less, six months for more), and are handed to the police only if no one claims them by the deadline. So in the first few days after you lose something, it may still be in Taiwan Railway's, the metro's, the airport's or a mall's own system, not in this data.
The raw data has only seven fields per item: receipt number, receiving unit (police department / precinct / station), date and time found, where found, and notice text. No coordinates, no photos, no item type. This site does three things to it, each of which can go wrong:
1. Item name — the notice text is a boilerplate sentence ("The finder handed in: 1 pair of earphones; the owner should, within the six-month notice period…"), and a rule strips the item name out of it. The cases it can't strip number in the single digits, but that string is exactly what the officer typed at the time — "earphones" appears in 1,842 different spellings across the national data.
2. Coordinates — matched offline against the street-number coordinate data each city and county government publishes (no external service is called); 85,482 items were matched to coordinates. About a third are accurate to a street number or lane; the rest reach only the average position of a road or district, all marked as such on the map. For counties where the street-number data is missing (Keelung, Yilan, Nantou, Yunlin, Chiayi City, Penghu), we fall back on the place-name index from this site's road-crash map to fill in road/township positions; Lienchiang County has neither, so it's searchable but can't go on the map.
3. Category — a keyword-based grouping, just to make filtering easier, not an official field.
What can't be claimed. We can't say "this area is the easiest place to lose things" (the count reflects footfall and hand-in rates); we can't say "not found means nobody found it" (it may not be logged yet, may be in a venue's own system, or may have been found in a different district than you think); and we can't treat a dot on the map as the actual place found (only street-number level is accurate to the door).
Why we don't scrape the official site. The official search page requires four fields plus an image captcha (added in July 2025, enforced on the back end). A captcha means "don't automate this," so this site doesn't touch it and uses only the open data the agency releases every day. The photos stay on the official site for the same reason.