LaSalle County 2026 assessment complaint deadline

Official LaSalle County sources

• LaSalle County Assessment Publications
• LaSalle County Board of Review
• LaSalle County 2026 Assessment Appeal Form
• LaSalle County Board of Review Rules and Procedures

LaSalle County Assessment Publications posts a county-wide banner: the deadline for ALL 2026 assessment appeals is Monday, November 16, 2026. Newspaper publication date for the listed townships is Friday, October 9, 2026. The 2026 Appeal Form and Rules still say appeals are due within 30 days after township assessment-list publication; product surfaces the posted county banner date and does not invent per-township appeal dates. The Appeal Form signature page says the form must be postmarked or received as a fax or email no later than 30 days after publication — FAX (815) 434-8327 · EMAIL breview@lasallecountyil.gov — and metered-mail date stamps are not accepted as an official postmark. Comparable sales used for a sales-based appeal must be prior to 1/1/2026.

Disclaimer: HomeTaxChallenge is not a government agency and is not affiliated with the LaSalle County Assessment Office or LaSalle County Board of Review. Always confirm dates and filing instructions on the official county sources above.