Whiteside availability

Dated product journey evidence

Evidence below is separate from county capability and your property’s offer. Local source-to-PDF fixtures are not hosted purchases. Shared commerce proof does not establish every address or township; only the normal property check determines the appropriate $5 or $50 product.

• $5 property evidence review: unproven

  Not separately exercised. not exercised. No dated product-specific journey proof has been admitted here. Existing county source/PDF evidence remains separately scoped; this does not establish a new failure, a countywide impossibility, or that both products must apply to one property.

• $50 appeal preparation packet: unproven

  Not separately exercised. not exercised. No dated product-specific journey proof has been admitted here. Existing county source/PDF evidence remains separately scoped; this does not establish a new failure, a countywide impossibility, or that both products must apply to one property.

Official dates, forms and filing instructions

Last checked 2026-11-07T14:03:43.617Z. Current detail unresolved; last verified information is retained below. Confirm the applicable notice and instructions with the official authority.

Last verified filing facts: 2026-10-31T13:06:03.907Z. Assessment year is distinct from tax payable year.

• deadline — 2026 assessment; Albany

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Albany — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Clyde

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Clyde — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Coloma

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Coloma — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Erie

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Erie — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Fenton

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Fenton — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Fulton

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Fulton — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Garden Plain

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Garden Plain — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Genesee

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Genesee — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Hahnaman

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Hahnaman — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Hopkins

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Hopkins — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Hume

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Hume — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Jordan

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Jordan — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Lyndon

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Lyndon — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Montmorency

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Montmorency — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Mt Pleasant

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Mt Pleasant — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Newton

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Newton — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Portland

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Portland — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Prophetstown

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Prophetstown — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Sterling

  Published filing deadline: 2026-10-23. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Sterling — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Tampico

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Tampico — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Union Grove

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Union Grove — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source
• deadline — 2026 assessment; Ustick

  Published filing deadline: 2026-10-22. Opening date unknown. Confirm this is your township or scope with the official authority.

  Full official source quote for Ustick — 2026 assessment

  Other townships or scopes in the quote are source context, not deadlines for this scope.

  C. Supervisor of Assessments 1. 2026 Assessment Change Publications: a. 9/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 9/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling 2. 2026 Board of Review Appeal Deadlines: a. 10/22/26: Clyde, Mt Pleasant, Union Grove, Ustick, Prophetstown, Lyndon, Tampico, Erie, Fenton, Newton, Portland, Albany, Fulton & Garden Plain b. 10/23/26: Coloma, Genesee, Hahnaman, Hopkins, Hume, Jordan, Montmorency & Sterling

  Official source

Official guidance — assessment year not stated

Matched to the official source on 2026-11-07T14:03:43.617Z. These instructions do not confirm a current-year deadline or form version.

• form

  All complaints shall be in writing on a Whiteside County Board of Review Assessment Appeal form.

  Official source
• form

  The burden of proving the assessment is correct lies with the assessor. All complaints must be filed within 30 days after mailing of assessment change notices, or within 30 days after publication of assessment change notices, whichever is later. All complaints shall be in writing on a Whiteside County Board of Review Assessment Appeal form.

  Official source
• form

  The burden of proving the assessment is correct lies with the assessor. All complaints must be filed within 30 days after mailing of assessment change notices, or within 30 days after publication of assessment change notices, whichever is later. All complaints shall be in writing on a Whiteside County Board of Review Assessment Appeal form.

  Official source
• filing method

  4:30 p.m. on the final date for complaints or if mailed, the complaint must be postmarked on the deadline date.

  Official source
• filing method

  The appeal shall be made on forms provided by the Board ( fax transmissions or e-mails will be not be accepted ) and must be filed with the Clerk no later than thirty calendar days after legal publication of assessments of the respective Township.

  Official source

You file your own appeal. This information does not change county capability, verify a property’s filing eligibility, or unlock paid preparation. No legal/tax advice or county affiliation.

What the property check looks for