Harrington Park is a small borough on the Oradell Reservoir, north of Closter, with mostly single-family homes on quiet streets: capes and colonials from the 1950s, bigger splits and newer homes on larger lots. It was the fastest market on this list last year, with homes going under contract in about two weeks and 72% selling over asking.
Median sale-to-list price: 103.3%. Source: New Jersey MLS (NJMLS), single-family homes closed Oct 1, 2025 to Sep 30, 2026, by town. Medians. Information deemed reliable but not guaranteed. Pulled Oct 7, 2026.
The average residential tax bill in Harrington Park was $17,840 in 2025 (Bergen County average: $14,200). That works out to about 2.13% of value a year, or roughly $21,285 on a $999K home.
| 2025 average residential tax bill | $17,840 |
| 2025 average residential sale price | $837,319 |
| Effective rate (tax bill ÷ sale price) | 2.13% |
Taxes: NJ Division of Taxation, 2025 Average Residential Statistics (average tax bill and average sale price by municipality). Actual taxes depend on the assessment and any deductions. New Jersey property taxes are billed quarterly, and a new owner's assessment can differ from the previous owner's.
Comparing with New York? Taxes and closing costs, Bergen vs. Rockland, side by side →
Most homes with a Harrington Park address are in the Harrington Park School District (K-8); Northern Valley Regional High School at Old Tappan.
District lines don't always follow mailing addresses. Check the district for any specific house before you make an offer, and I'll confirm it on every home we look at.
Check current bus and train schedules before you commute.
Taxes in Harrington Park are filled in for you from the 2025 average. Change anything.
The good ones here go fast. Tell me what you want and I'll send new listings that fit, or book a 20-minute call and we'll talk it through.