We pull a county's assessor substrate ONCE and route it to three different buyers on three different clocks: over-assessment → tax-appeal firms, construction-financing-window → hard-money lenders, exemption-contradiction flags → recovery contractors. Cook County IL + Allegheny County PA. Dated, deadline-stamped, comp-filtered, honestly tiered.
See the live feeds →Parcels whose assessor implied market value exceeds their most recent arm's-length sale price on the same PIN (Cook: certified AV ÷ 25% commercial LOA; Allegheny: FAIRMARKETTOTAL at full value). Non-arm's-length comps (quitclaim, trustee, love-&-affection, sub-$10k, multi-parcel) are stripped — the entity-resolution edge a raw export lacks — and the appeal window is stamped. ~95% of over-assessed owners never appeal; a commercial win is $12.5k–60k to a contingency firm.
Fresh assessable construction permits (funded builds) entering the permit→financing gap — prospects for lenders racing that window. Honest: loan-absence is unverified (no current free per-parcel mortgage feed), so this ships as a time-boxed absence-window watchlist, re-checked as financing appears — not a permanent claim.
A residence/homestead exemption coexisting with a non-owner-occupant owner of record (Allegheny: homestead flag + corporate owner; Cook: residential parcel deeded to an LLC/corp/trust). A corporation cannot owner-occupy, which the exemption requires. Candidate improper exemptions for audit/recovery contractors (e.g. Tax Management Associates, ~30% contingency of recovered liens; counties recover $2–22M via these contracts). Shipped strictly as a non-conclusory FLAG with the deed/owner evidence chain — never a fraud verdict.
high / medium / low tiers per stream. We say where the signal is thin: Allegheny ran a 2024 county-wide reassessment, so its over-assessment density is low while its exemption-flag stream is dense (~10.5k candidates). Every item is a candidate the buyer confirms.