What is the biggest house in Park Ridge?

625 Rand Rd leads Park Ridge in building square footage: 12,035 sq ft of building.

1. 1625 Rand Rd09-26-117-089-0000 · 12,035 sq ft of building
2. 2120 S Northwest Hwy09-35-207-020-0000 · 10,170 sq ft of building
3. 31040 Busse Hwy09-22-326-029-0000 · 9,784 sq ft of building
4. 4515 Summit Ave09-36-111-021-0000 · 9,563 sq ft of building
5. 5317 Elm St09-26-419-017-0000 · 9,326 sq ft of building

Computed from the Park Ridge release: ranked parcels by building square footage (highest first). 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.