hey, I made
InfoGrunt
Free land plot report from Polish public registers in about a minute. Made by Łukasz Król.
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About
InfoGrunt answers the questions people have before buying a plot of land in Poland. Pick a plot on the map or type its ID and you get a report built from public data: land register, local zoning plan, access road, utilities, flood risk, nature protection, landslides, air quality and real prices from the national price register.
As of 7 Oct 2026 it covers 37,943,134 parcels and 2,026,423 recorded transactions. Every section shows its source and date, and missing data is shown as missing, never as zero. Reports are always free: no card, no subscription, no report limit.
There are also municipality price rankings, plot listings and a PDF version of the report. One person built it with Claude Code and Codex.
What went wrong
The price index for suburban municipalities ignored known sales when data coverage was incomplete, so Michałowice ranked 516th instead of 27th until the fix on 30 Sep 2026. Reports also showed details of single transactions; on 6 Oct 2026 we removed them for privacy.
At a glance
Gallery
| Measure | Last period | Period before | Change |
|---|---|---|---|
| Google clicks, 7 days | 176 | 174 | up 1.1% |
| Google impressions, 7 days | 5,657 | 6,021 | down 6.0% |
| Verified visitors, 7 days | — | — | — |
| Google clicks, 30 days | 683 | 473 | up 44.4% |