Which parcel has the biggest assessment decrease?

3 S Prospect Ave has the largest year-over-year assessment decrease: $1,001,159 → $541,501 (-46%).

1. 13 S Prospect Ave09-35-206-001-0000 · $1,001,159 → $541,501 (-46%)
2. 2100 Main St09-35-203-001-0000 · $404,250 → $161,700 (-60%)
3. 3408 Elmore St09-25-309-036-0000 · $243,100 → $158,779 (-35%)
4. 41113 S Rose Ave09-34-400-087-0000 · $111,000 → $56,379 (-49%)
5. 5208 N Dee Rd09-27-306-026-0000 · $165,000 → $128,748 (-22%)

Computed from the Park Ridge release: compared each parcel's current assessed total to its prior year. The release contains 15,636 parcels; each query uses the relevant record tables and stated filters. Records refreshed 2026-09-07 · assessor records 2026-09-01 · Board decisions through 2026-06-09. This is a deterministic query over recorded and explicitly labeled derived fields.