Bergen County, NJ — Property Tax Underwriting Guide
New Jersey · Sale-event triggered
What this means for multifamily underwriting
Bergen County has a large suburban multifamily stock, particularly garden-apartment communities. Effective rates are moderate for New Jersey. Bergen has 70 municipalities with distinct mill rates.
Transaction type breakdown
New Jersey requires all property to be assessed at 100% of true (market) value. Local assessors commonly update the assessment using the sale price as primary market evidence.
Refinance does not affect assessed value.
Ownership change is market evidence and will be considered in the next assessment cycle.
Tax appeal information
23.0 mill (2.3% effective) is a mid-county estimate for Bergen.
Guide review
County guidance last reviewed: June 15, 2026
Tax-rate scope: Tax-rate scope is not established as parcel-specific; confirm the parcel's taxing-authority stack.
Official sources: Bergen County Tax Administrator
Sale-evidence model is accurate for NJ; millage is a county-level estimate.
Parclio estimates are underwriting guidance, not legal or tax advice. Always verify millage rates, the seller's assessed value, and appeal deadlines with the county assessor or local counsel before relying on these numbers for a credit decision.
Run a tax reset estimate for Bergen County
Use Parclio's estimator to model the post-closing tax bill, NOI impact, DSCR change, and underwriting memo language for your next Bergen County deal.