New Jersey Property Tax Appeal Guides
Browse source-reviewed property tax appeal guides for New Jersey. County deadlines, filing methods, and available records can differ by county and tax year.
Each published guide identifies the public sources used for its deadline and filing summary. Confirm current requirements with the official filing authority before submitting anything.
Atlantic County: 2026 deadline guidance is Regular 2026 deadline closed April 1 at 4:00 p.m.; added or omitted appeals close December 1. Guide: https://fairpath.app/property-tax-appeal/new-jersey/atlantic-county
Bergen County: 2026 deadline guidance is April 1, 2026 for most municipalities; May 1 in a revaluation or reassessment municipality. Guide: https://fairpath.app/property-tax-appeal/new-jersey/bergen-county
Burlington County: 2027 deadline guidance is January 15, 2027, or 45 days from a later qualifying notice mailing. Guide: https://fairpath.app/property-tax-appeal/new-jersey/burlington-county
Camden County: 2026 deadline guidance is April 1, 2026; May 1 for Lindenwold and Pine Hill. Guide: https://fairpath.app/property-tax-appeal/new-jersey/camden-county
Cumberland County: 2026 deadline guidance is 2026 regular deadline passed: April 1, or May 1 in a current revaluation or reassessment municipality. Guide: https://fairpath.app/property-tax-appeal/new-jersey/cumberland-county
Essex County: 2026 deadline guidance is April 1, 2026; May 1 for Cedar Grove, Glen Ridge, and Verona. Guide: https://fairpath.app/property-tax-appeal/new-jersey/essex-county
Gloucester County: 2027 deadline guidance is November 15, 2026 through January 15, 2027 at 4:00 p.m.. Guide: https://fairpath.app/property-tax-appeal/new-jersey/gloucester-county
Hudson County: 2026 deadline guidance is April 1, 2026; May 1 for Union City. Guide: https://fairpath.app/property-tax-appeal/new-jersey/hudson-county
Hunterdon County: 2026 deadline guidance is 2026 regular deadline passed: April 1 or 45 days after bulk notice; May 1 in a revaluation or reassessment district. Guide: https://fairpath.app/property-tax-appeal/new-jersey/hunterdon-county
Mercer County: 2026 deadline guidance is April 1, 2026 for regular assessment appeals. Guide: https://fairpath.app/property-tax-appeal/new-jersey/mercer-county
Middlesex County: 2026 deadline guidance is April 1, 2026; May 1 for Dunellen, Middlesex Borough, and Piscataway. Guide: https://fairpath.app/property-tax-appeal/new-jersey/middlesex-county
Monmouth County: 2027 deadline guidance is January 15, 2027, or 45 days from a later qualifying notice mailing. Guide: https://fairpath.app/property-tax-appeal/new-jersey/monmouth-county
Morris County: 2026 deadline guidance is April 1, 2026; May 1 in eleven implementation-year municipalities. Guide: https://fairpath.app/property-tax-appeal/new-jersey/morris-county
Passaic County: 2026 deadline guidance is April 1, 2026; May 1 for Paterson. Guide: https://fairpath.app/property-tax-appeal/new-jersey/passaic-county
Salem County: 2026 deadline guidance is The ordinary 2026 April 1 deadline has passed; verify any notice-specific or revaluation exception with the Salem Tax Board. Guide: https://fairpath.app/property-tax-appeal/new-jersey/salem-county
Somerset County: 2026 deadline guidance is April 1, 2026 in five towns; May 1 in sixteen implementation towns. Guide: https://fairpath.app/property-tax-appeal/new-jersey/somerset-county
Sussex County: 2026 deadline guidance is 2026 regular window closed: April 1, or May 1 after revaluation. Guide: https://fairpath.app/property-tax-appeal/new-jersey/sussex-county
Union County: 2026 deadline guidance is April 1, 2026 for regular assessment appeals. Guide: https://fairpath.app/property-tax-appeal/new-jersey/union-county
Warren County: 2026 deadline guidance is 2026 regular appeal window closed: April 1. Guide: https://fairpath.app/property-tax-appeal/new-jersey/warren-county
Source: Atlantic County Government, Atlantic County Appeal Process, https://www.atlanticcountynj.gov/government/county-government/board-of-taxation/appeal-process. Reviewed 2026-07-16.
Source: Atlantic County Government, Board of Taxation and 2026 Deadlines, https://www.atlanticcountynj.gov/government/county-government/board-of-taxation. Reviewed 2026-07-16.
Source: Bergen County Government, About the Board of Taxation, https://bergencountynj.gov/boards-commissions/about-board-of-taxation/. Reviewed 2026-07-15.
Source: Burlington County Board of Taxation, File a Tax Appeal, https://www.burlingtoncountynj.gov/326/File-a-Tax-Appeal. Reviewed 2026-07-29.
Source: Burlington County Board of Taxation, Meeting and Alternate Calendar Information, https://www.burlingtoncountynj.gov/1908/Meeting-Alternate-Calendar-Info. Reviewed 2026-07-29.
Source: Burlington County Government, Board of Taxation, https://www.burlingtoncountynj.gov/323/Board-Of-Taxation. Reviewed 2026-07-29.
Source: Camden County Government, Appeal Forms, Instructions, and FAQ, https://www.camdencounty.com/service/board-of-taxation/appeals-forms-instructions-faq/. Reviewed 2026-07-15.
Source: Camden County Government, Board of Taxation and 2026 Appeal Deadlines, https://www.camdencounty.com/service/board-of-taxation/. Reviewed 2026-07-15.
Source: Cumberland County, Property Tax Assessment Appeals, https://www.cumberlandcountynj.gov/tax-appeals. Reviewed 2026-08-09.
Source: Cumberland County Board of Taxation, Instructions for Filing Petition of Appeal, https://www.cumberlandcountynj.gov/filestorage/22641/22643/23820/26752/26756/Reg_AppealInstruction_for_webpage.pdf. Reviewed 2026-08-09.
Source: Essex County Board of Taxation, 2026 Regular Tax Appeal Deadline Information, https://www.essexcountynjtaxboard.org/news/. Reviewed 2026-07-15.
Source: Essex County Board of Taxation, Assessment Appeal Forms and Reminders, https://www.essexcountynjtaxboard.org/info-forms/. Reviewed 2026-07-15.
Source: Gloucester County Government, Gloucester County Assessor's Office, https://gloucestercountynj.gov/251/County-Assessor. Reviewed 2026-07-29.
Source: Gloucester County Government, Gloucester County Board of Taxation, https://www.gloucestercountynj.gov/1152/Board-of-Taxation. Reviewed 2026-07-29.
Source: Hudson County Board of Taxation, Hudson County Appeal Instructions Handbook, https://secure.njappealonline.com/prodappeals/help/Hudson_InstructionsHandbook.pdf. Reviewed 2026-07-15.
Source: Hunterdon County, Tax Appeal Frequently Asked Questions, https://www.co.hunterdon.nj.us/m/faq?cat=33. Reviewed 2026-08-09.
Source: Hunterdon County, Tax Appeal Information, https://www.co.hunterdon.nj.us/1050/Tax-Appeal-Information. Reviewed 2026-08-09.
Source: Hunterdon County Board of Taxation, Petition of Appeal County Board of Taxation, https://www.co.hunterdon.nj.us/DocumentCenter/View/9299. Reviewed 2026-08-09.
Source: Mercer County Board of Taxation, Tax Appeal Hearing Brochure, https://www.mercercounty.org/government/board-of-taxation/appeal-brochure. Reviewed 2026-07-15.
Source: Mercer County Government, Appeal Instructions and Application, https://www.mercercounty.org/government/board-of-taxation/appeal-instruction-and-application. Reviewed 2026-07-15.
Source: Middlesex County Board of Taxation, 2026 Tax Appeal Filing Packet, https://www.middlesexcountynj.gov/home/showpublisheddocument/9589/639039914836300000. Reviewed 2026-07-15.
Source: Middlesex County Government, Tax Appeal Forms and Guidelines, https://www.middlesexcountynj.gov/government/departments/department-of-finance/board-of-taxation/tax-appeals. Reviewed 2026-07-15.
Source: Monmouth County Board of Taxation, Tax Board Assessment and Hearing Information, https://www.co.monmouth.nj.us/page.aspx?ID=278. Reviewed 2026-07-29.
Source: Monmouth County Government, Assessment Demonstration Program Law, https://www.co.monmouth.nj.us/documents/18/Chapter_15.pdf. Reviewed 2026-07-29.
Source: Monmouth County Government, Monmouth County Tax Board, https://www.co.monmouth.nj.us/page.aspx?ID=134. Reviewed 2026-07-29.
Source: Morris County Board of Taxation, Proper Preparation for Tax Appeal Hearings, https://www.morriscountynj.gov/Departments/Board-of-Taxation/Proper-Preparation-for-Tax-Appeal-Hearings. Reviewed 2026-07-15.
Source: Morris County Government, Board of Taxation, https://www.morriscountynj.gov/Departments/Board-of-Taxation. Reviewed 2026-07-15.
Source: New Jersey County Boards of Taxation, County Appeal Filing Schedule, https://secure.njappealonline.com/prodappeals/FilingSchedule.aspx/Login.aspx. Reviewed 2026-07-29.
Source: New Jersey Division of Taxation, 2026 Approved Revaluations and Reassessments, https://www.nj.gov/treasury/taxation/pdf/lpt/revaluation/2026RevalList.pdf. Reviewed 2026-07-15.
Source: New Jersey Division of Taxation, 2026 Common Level Ranges, https://www.nj.gov/treasury/taxation/pdf/lpt/chap123/2026CH123.pdf. Reviewed 2026-07-15.
Source: New Jersey Division of Taxation, Assessment and Appeals, https://www.nj.gov/treasury/taxation/lpt/lpt-appeal.shtml. Reviewed 2026-08-09.
Source: New Jersey Division of Taxation, Guide to Tax Appeal Hearings, https://www.nj.gov/treasury/taxation/pdf/lpt/ptappeal.pdf. Reviewed 2026-07-15.
Source: New Jersey Division of Taxation, New Jersey Local Property Tax Forms, https://www.nj.gov/treasury/taxation/lpt/localtax.shtml. Reviewed 2026-07-16.
Source: Passaic County Board of Taxation, Commonly Asked Tax Appeal Questions, https://www.passaiccountynj.org/home/showpublisheddocument/7792/639040044409700000. Reviewed 2026-07-15.
Source: Passaic County Government, Board of Taxation and 2026 Filing Deadlines, https://www.passaiccountynj.org/residents/board-of-taxation. Reviewed 2026-07-15.
Source: Salem County Government, Salem County Government Department Directory, https://www.salemcountynj.gov/departments/. Reviewed 2026-07-16.
Source: Salem County Government, Salem County Treasury and Tax Board, https://www.salemcountynj.gov/departments/treasury/. Reviewed 2026-07-16.
Source: Somerset County Board of Taxation, 2026 Legal Guidelines for Tax Appeals, https://www.somersetcountynj.gov/home/showpublisheddocument/64574/639088314341000000. Reviewed 2026-07-15.
Source: Somerset County Government, Tax Board and 2026 Hearing Schedule, https://www.somersetcountynj.gov/residents/tax-board. Reviewed 2026-07-15.
Source: Sussex County Board of Taxation, 2026 Regular Assessment Appeal Package, https://www.sussex.nj.us/DocumentCenter/View/3947/Regular-Assessment-Appeal-Package-2026-PDF. Reviewed 2026-07-29.
Source: Sussex County Board of Taxation, Board of Taxation Overview and Appeal FAQs, https://www.sussexcountyclerk.org/300/Board-of-Taxation. Reviewed 2026-07-29.
Source: Sussex County Board of Taxation, Regular Assessment Appeal Package, https://www.sussexcountyclerk.org/909/Regular-Assessment-Appeal-Package. Reviewed 2026-07-29.
Source: Union County Board of Taxation, 2026 Tax Appeal Filing Packet, https://ucnj.org/board-of-taxation/wp-content/uploads/sites/41/2026/02/Tax-Appeal-Guidelines.pdf. Reviewed 2026-07-15.
Source: Union County Government, Union County Board of Taxation, https://ucnj.org/board-of-taxation/. Reviewed 2026-07-15.
Source: Warren County Board of Taxation, 2026 Tax Appeal Meeting Dates, https://www.warrencountynj.gov/home/showpublisheddocument/13359/639114171093770000. Reviewed 2026-07-29.
Source: Warren County Board of Taxation, Petition of Appeal Form A-1 and Instructions, https://www.warrencountynj.gov/home/showpublisheddocument/8572/638507746036070000. Reviewed 2026-07-29.
Source: Warren County, New Jersey, Warren County Board of Taxation, https://www.warrencountynj.gov/government/tax-board. Reviewed 2026-07-29.
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