GroundSignal
For appeal firms & attorneys

Appeal leads for tax practices

A licensed property-research CSV for Park Ridge appeal practices. It contains eligible residential parcels more than 10% above a peer assessment median, with no recorded appeal from 2024 onward. Review the published criteria and record dates; inclusion does not establish overassessment or predict an appeal outcome.

Park Ridge, IL

Appeal Season Pass

One town · CSV download · single-firm license

$495 one time

1,312properties currently match this town’s criteria.

Buy the list · $495 one-timeCompare Desk · $100/mo
  • Ranked by assessed value above the peer median; this is not a forecast of tax savings
  • Peer-group median $/sqft, gap %, appeal history and last-appeal year on every row
  • Taxpayer-of-record details, ownership type and inferred occupancy where available
  • Download from your account the moment payment clears; rows refresh with each data release

A two-minute product tour

  1. Check your town

    Use the town selector to see its current pool and source dates. The license covers the town selected at checkout.

  2. Inspect a real row

    Review the public sample, field dictionary and redacted CSV below. The assessment gap is a research screen; check the property and filing history before contacting anyone.

    See the sample

  3. Choose access

    Buy this one-town list or use an active Desk/API subscription. Download after payment from this page or Account → Purchases; full CSVs contain taxpayer associations where available.

Real rows from the current release

1,312 matching homes · $11,467,346 of assessed value above peer medians · average gap 21% · 414 have no appeal in the indexed records. These are assessment comparisons, not predicted reductions. The paid CSV contains the full matching pool with taxpayer associations:

Sample — appeal leads · Taxpayer associations included in paid CSV

  • 1012 Hastings Pl

    Built
    1954
    Assessed
    $190,500

    174% above comparable neighbors · no recorded appeal from 2024 onward

  • 501 N Home Ave

    Built
    2006
    Assessed
    $118,000

    46% above comparable neighbors · no recorded appeal from 2024 onward

  • 1700 Des Plaines Ave

    Built
    1960
    Assessed
    $83,000

    70% above comparable neighbors · no recorded appeal from 2024 onward

  • 2016 Des Plaines Ave

    Built
    1965
    Assessed
    $73,000

    87% above comparable neighbors · no recorded appeal from 2024 onward

  • 827 S Crescent Ave

    Built
    2015
    Assessed
    $163,000

    24% above comparable neighbors · no recorded appeal from 2024 onward

  • 125 E Lahon St

    Built
    2019
    Assessed
    $105,000

    43% above comparable neighbors · no recorded appeal from 2024 onward

Every CSV field, explained
pin, address, neighborhood, zoning
County parcel identifier, property address, assessor neighborhood and mapped class.
year_built, bldg_sqft, assessed_total
Published characteristics and total assessed value.
av_per_sqft, peer_median_av_per_sqft, peer_count
Computed assessment per building square foot, peer median and group size.
gap_pct, at_stake_av
Computed percentage and assessed-value dollars above the median; not tax savings or a promised reduction.
appeal_count, last_appeal_year
Filing history present in indexed records. Newer filings or representation may be absent.
owner_name, owner_kind, owner_city, owner_occupied
Taxpayer association and inferred occupancy; redacted here, included where available in the paid file.

The sample has the paid file’s columns, with taxpayer association fields redacted. No owner mailing street, email address or phone number is included in the paid list.

Selection: residential properties built before 2022, more than 400 building square feet, assessed more than 10% above the median of at least eight peers in the same assessor neighborhood, mapped class and 20-year construction era; no recorded appeal from 2024 onward. A current appeal or existing representation may not yet appear in the published data.

One list or ongoing research?

Desk includes the same full lead CSVs. Choose the access arrangement that fits your work. Coverage is Park Ridge, Wilmette, Winnetka, Glencoe, Kenilworth; these are municipal records, not a countywide list.

One-time list · $299 trade / $495 appeal

One product for the town selected at checkout. Download the full matching pool from your account while the purchase remains paid and the list is offered. Each download uses the current data release; it is not a frozen snapshot. No subscription is required.

Intelligence Desk · $100/month

Six live feed tables plus both full lead-list CSVs in supported towns. Downloads require active subscription access. Cancellation takes effect at the end of the paid period; a separately purchased one-time list keeps its own access.

Commercial API · $200/month pre-sale

Everything in Pro and Desk in the app today under a commercial-use license. The REST API is in development. Programmatic access begins at launch; pre-sale charges begin now.

Lead files carry a single-firm license, without resale or redistribution. Downloaded files remain subject to those license conditions, including removal requests. A license does not provide exclusive territory. See the list terms and monthly access details.

License & coverage

Lists are licensed to a single firm — no resale or redistribution. Everything is computed from the county's public records (assessments, permits, appeals, deeds). This selection is Park Ridge, IL; supported towns are Park Ridge, Wilmette, Winnetka, Glencoe, Kenilworth. A matching property is a research lead, not a prediction that its owner needs work or will become a customer.

Questions, custom cuts, or another town first? Get in touch