Riverdale Boro NJ property tax rate 2025: 1.901 after reassessment
Riverdale Boro, Morris County. 1,942 parcels in the MOD-IV 2026 file. Rate shown is tax year 2025 (latest available — not yet matched to assessment year).
2026 revaluation/reassessment town — 2026 general tax rate not in our warehouse yet. Showing 2025 rate against 2026 assessments; YoY % is withheld until the matching rate posts.
Riverdale Boro at a glance
1,942 parcels are on the 2026 file. The 2025 general rate is 1.901, and the prior rate on file is 1.826 for 2024. A typical class 2 assessment is $454,533. Usable sales with a 2025 deed: 61, median $439,000. The state construction file lists 1,342 permits here. The median class 2 house was built in 2000. A property page adds that parcel’s permits, flood zone, mapped flood elevation, and high and low ground. Owner names are not shown.
How to read a Riverdale Boro bill
Riverdale Boro’s general rate of 1.901 is tax year 2025 on the 2026 assessment file. It is not a 2026 bill. The prior general rate on file is 1.826 for 2024. This municipality is on the 2026 reassessment list, so the rate move is the roll being reset. It is not, by itself, the change in the bill. School, county, and municipal shares of this rate are 52.1%, 13.5%, and 34.4%. The largest slice is schools. In Morris County the middle school share for rate year 2025 is 62.9% in Netcong Boro. Class 2 net assessments changed from $657,024,000 to $753,161,700, up 14.6%, on 1,657 parcels. Usable sales with a 2025 deed: median $439,000 (61 sales). The largest class share of net assessed value is Residential at 62.4%. State school aid is outside these bars.
Building permits in Riverdale Boro
The New Jersey construction-permit file lists 1,342 permits in Riverdale Boro. This file is a full record from 2021 on. Older permits are mostly missing. Work from before then can be missing here and still be at the Riverdale Boro construction office.
2025 general tax rate in Riverdale Boro: 1.901
This general rate is tax year 2025. The assessment file is 2026. It is not a 2026 bill.
In Morris County, the median municipality’s school share (rate year 2025) is 62.9%; this town is 52.1%. The largest slice here is schools. State school aid is not in these bars — it reduces the school levy before the rate is struck. All Morris towns · How NJ taxes work.
The school percent is the local property-tax levy. The district for this municipality is Riverdale Boro (K-12), FY2027 K–12 aid $690,020. Those aid figures are not slices of these bars. Morris district table.
Prior year (2024) general rate: 1.826.
Tax on a $200,000 or $500,000 sale in Riverdale Boro
These figures use Riverdale Boro’s own ratio and general rate. How the same sale price is calculated for every town. This is not an appraisal and not a collector bill.
2025
A $500,000 sale at the 2025 ratio of 93.31% would be assessed at about $466,550. At the general rate of 1.901, the estimated tax is $8,869. A $200,000 sale at that same ratio and rate would be assessed at about $186,620, with an estimated tax of $3,548.
In Morris County for 2025, the $500,000 bill runs from $4,917 in Harding Twp to $14,240 in Netcong Boro. The middle bill is $9,881 in Chester Boro. All Morris towns.
See every New Jersey town on the same $200,000 and $500,000 sale for 2025.
Recent usable sales in Riverdale Boro
These are the five newest usable deeds on the 2026 file for Riverdale Boro. A $1 deed and a non-usable SR1A sale are left out. Each parcel stores one sale, so this is not every deed recorded in town.
| Address | Deed date | Sale price | Net assessment |
|---|---|---|---|
| 7217 COVENTRY CT | 12/4/2025 | $400,000 | $388,800 |
| 1305 WHARTON CT | 11/24/2025 | $358,700 | $349,700 |
| 48 POST LN | 11/21/2025 | $595,000 | $499,900 |
| 60 ROCK CREEK TER | 11/14/2025 | $600,000 | $539,500 |
| 6402 BROOKHAVEN CT | 11/10/2025 | $372,000 | $354,900 |
Owner names are not shown. The rate year and the assessment file year differ, so this table does not print an estimated tax. This is not a collector’s bill.
Highest estimated tax in Riverdale Boro: $28,367
Residential
The highest residential estimate in Riverdale Boro is $28,367 at 36 WILSON AVE, on a net assessment of $1,492,200 and a 2025 general rate of 1.901.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 36 WILSON AVE | 2 — Residential (four families or less) | $1,492,200 | 2025 | $28,367 |
| 4 OVERLOOK DR | 2 — Residential (four families or less) | $1,252,600 | 2025 | $23,812 |
| 11 SKY VIEW TER | 2 — Residential (four families or less) | $1,238,600 | 2025 | $23,546 |
| 5 SKY VIEW TER | 2 — Residential (four families or less) | $1,229,500 | 2025 | $23,373 |
| 16 OVERLOOK DR | 2 — Residential (four families or less) | $1,214,400 | 2025 | $23,086 |
Business
The highest business estimate in Riverdale Boro is $1,053,584 at NJ RT. 23 NORTH, on a net assessment of $55,422,600 and a 2025 general rate of 1.901.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| NJ RT. 23 NORTH | 4A — Commercial | $55,422,600 | 2025 | $1,053,584 |
| ROUTE 23 | 4A — Commercial | $20,889,700 | 2025 | $397,113 |
| 96 ROUTE 23 | 4A — Commercial | $20,031,100 | 2025 | $380,791 |
| ROUTE 23 | 4A — Commercial | $16,821,400 | 2025 | $319,775 |
| 1 NORTH CORPORATE DR | 4A — Commercial | $11,640,800 | 2025 | $221,292 |
Owner names are not shown. Every parcel in this town uses the same rate, so the highest tax is the highest assessment. Commercial and industrial parcels (class 4A and 4B) are the business list. Apartment buildings are class 4C and are not in that list. This is not a collector’s bill.
Ratable base in Riverdale Boro, typical class 2 assessment $454,533
Class 2 residential in the MOD-IV file: 1,657 parcels, average net assessment $454,533.
How assessments changed
Class 2 residential net assessments changed from $657,024,000 to $753,161,700, up 14.6%, on 1,657 parcels that have both a prior net and a 2026 net. This is the reassessment roll. It is not the change in the tax bill.
Among 61 usable recorded sales whose latest deed on this file is in 2025, the median price is $439,000. A $1 deed and a non-usable SR1A sale are left out. Each parcel stores one sale, so this is not every deed recorded that year.
Share of net assessed value by property class (MOD-IV). Not a school-quality rating.
| Class | Parcels | Net assessed | % of net |
|---|---|---|---|
| Residential 2 | 1,657 | $753,161,700 | 62.4% |
| Vacant land 1 | 120 | $60,955,500 | 5.1% |
| Commercial 4A | 111 | $266,366,900 | 22.1% |
| Industrial 4B | 24 | $64,973,600 | 5.4% |
| Apartment 4C | 4 | $59,509,500 | 4.9% |
| Farm (regular) 3A | 3 | $1,820,100 | 0.2% |
| Farm (qualified) 3B | 11 | $5,800 | 0.0% |
| Other / unclassified other | 12 | $0 | 0.0% |
Housing stock in Riverdale Boro, median year built 2000
On the 2026 file, class 2 houses in Riverdale Boro with a year built have a median year of 2000, about 26 years old. Of those 1,653 houses, the largest share was built 2000–2009. This is the assessor’s year built. It is not a ranking of towns.
By parcel count, Residential 85.3%, Vacant land 6.2%, Commercial 5.7%, Industrial 1.2%, Other / unclassified 0.6%, Farm (qualified) 0.6%, Apartment 0.2%, Farm (regular) 0.2%. Those percentages are a count of parcels, not a share of tax dollars. The class table uses the tax-base share.
Year built
Assessor building line
Grouped from the assessor’s building abbreviation. One-family, two-family, and condo are the codes that read clearly. Other codes stay in their own group. This is not a bedroom count, and square feet are left off because most records do not include them.