Morris County's regular 2026 assessment appeal period is closed. Most municipalities followed April 1, while eleven state-listed revaluation or reassessment districts used May 1: Butler, Chester Borough, Lincoln Park, Mendham Township, Mountain Lakes, Long Hill, Pequannock, Riverdale, Rockaway Township, Victory Gardens, and Wharton. The county also states that tax appeal hearings are in person and not virtual. A petition contests the assessment under New Jersey market-value and ratio rules; it does not appeal the tax rate or budget. Owners can prepare records and October 1, 2026 market evidence for 2027, but must wait for the new implementation list and county instructions before choosing a deadline. FairPath provides manual organization and official links, not filing, valuation, advocacy, or a late 2026 remedy.
Assessment context: Morris contains commuter suburbs, historic borough properties, lake communities, large-lot and estate housing, rural land, and varied commercial uses. Comparable selection should account for municipality, neighborhood, zoning, use, style, living area, lot or acreage, age, condition, renovation, lake rights, topography, utilities, and location. Record block, lot, qualifier, class, land, improvement, and total assessment from the county or municipal record. New Jersey generally asks for value as of the prior October 1 and applies the municipal common-level range after true market value is established in a non-full-value setting. Morris provides a Chapter 123 worksheet to explore the ratio calculation, but a worksheet result is not proof of true value. The owner still needs reliable sales or other recognized evidence and must distinguish physical deterioration from ordinary maintenance or unsupported repair assumptions.
Filing process: The Morris Board page links Form A-1, the added or omitted form, an appeal-record search, a Chapter 123 worksheet, and a hearing-preparation brochure. A regular filer must follow the A-1 rule for county receipt, fee, and service on the municipal assessor and clerk. The Board lists its physical location at 30 Schuyler Place in Morristown and a separate P.O. Box mailing address; verify both and current office hours before using paper delivery. Because hearings are in person, preserve the hearing notice and plan attendance rather than expecting a video link. For 2027, check the state implementation list town by town, confirm whether the deadline is April 1, May 1, or later under a qualifying notice, and retain the petition, payment, delivery proof, service copies, evidence, and judgment.
Evidence to review: Build a value case around sales close to October 1 of the pretax year. For each proposed comparable, document municipality, neighborhood, block and lot, deed date, price, style, living area, land, age, condition, renovation, garage, basement, lake or view influence, topography, utilities, and any unusual transaction terms. Use the county's tax records and SR-1A resources to verify facts and sale usability. Dated photographs, inspection findings, permits, surveys, septic or well information, contractor scopes, and a licensed appraisal can support a specific adjustment or property-card correction. Submit evidence to every required party by the current exchange deadline and bring the organized set to the in-person hearing. FairPath can arrange a comparison grid and exhibit index, while the owner establishes the requested value, authenticates records, and presents testimony.
Current deadline guidance: April 1, 2026; May 1 in eleven implementation-year municipalities. Morris followed April 1 for ordinary 2026 petitions and May 1 where a revaluation or reassessment was implemented. The state list names Butler, Chester Borough, Lincoln Park, Mendham Township, Mountain Lakes, Long Hill, Pequannock, Riverdale, Rockaway Township, Victory Gardens, and Wharton. Both windows are closed.
Morris had eleven May 1 municipalities in 2026, so county-level deadline language without a town check is incomplete. The list must be rebuilt from official sources for 2027.
The Morris Board expressly states that appeal hearings are in person and no virtual hearings are offered. Filing and hearing logistics should be planned separately.
Morris offers an official online Chapter 123 worksheet, but ratio arithmetic only follows a supported true-value conclusion; it does not replace comparable sales or appraisal evidence.
Lake, estate, rural, and commuter-suburb markets coexist in Morris. Land, topography, utilities, lake rights, and immediate neighborhood can be more important than countywide proximity.
Official filing authority: Morris County Board of Taxation. https://www.morriscountynj.gov/Departments/Board-of-Taxation
Source: Morris County Government, Board of Taxation, https://www.morriscountynj.gov/Departments/Board-of-Taxation. Reviewed 2026-07-15.
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: 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, Assessment and Appeals, https://www.nj.gov/treasury/taxation/lpt/lpt-appeal.shtml. Reviewed 2026-07-15.