Butler Boro NJ property tax rate 2025: 2.511 after reassessment
Butler Boro, Morris County. 2,806 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.
Butler Boro at a glance
2,806 parcels are on the 2026 file. The 2025 general rate is 2.511, and the prior rate on file is 2.497 for 2024. A typical class 2 assessment is $486,681. Usable sales with a 2025 deed: 82, median $499,900. The state construction file lists 2,239 permits here. The median class 2 house was built in 1960. 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 Butler Boro bill
Butler Boro’s general rate of 2.511 is tax year 2025 on the 2026 assessment file. It is not a 2026 bill. The prior general rate on file is 2.497 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 62.0%, 10.1%, and 28.0%. 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 $1,080,458,200 to $1,188,238,000, up 10.0%, on 2,442 parcels. Usable sales with a 2025 deed: median $499,900 (82 sales). The largest class share of net assessed value is Residential at 74.6%. State school aid is outside these bars.
Building permits in Butler Boro
The New Jersey construction-permit file lists 2,239 permits in Butler 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 Butler Boro construction office.
2025 general tax rate in Butler Boro: 2.511
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 62.0%. 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 Butler Boro (K-12), FY2027 K–12 aid $2,718,038. Those aid figures are not slices of these bars. Morris district table.
Prior year (2024) general rate: 2.497.
Tax on a $200,000 or $500,000 sale in Butler Boro
These figures use Butler 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 88.32% would be assessed at about $441,600. At the general rate of 2.511, the estimated tax is $11,089. A $200,000 sale at that same ratio and rate would be assessed at about $176,640, with an estimated tax of $4,435.
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 Butler Boro
These are the five newest usable deeds on the 2026 file for Butler 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 |
|---|---|---|---|
| 124 BARTHOLDI AVE | 12/23/2025 | $452,000 | $509,000 |
| 176 BOONTON AVE | 12/7/2025 | $750,000 | $630,800 |
| 42 VALLEY RD | 12/3/2025 | $550,000 | $526,900 |
| 904 RIVER PL | 12/1/2025 | $495,000 | $456,900 |
| 265 WINTHROP DR | 11/25/2025 | $454,500 | $403,100 |
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 Butler Boro: $28,038
Residential
The highest residential estimate in Butler Boro is $28,038 at 141A KIEL AVE, on a net assessment of $1,116,600 and a 2025 general rate of 2.511.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 141A KIEL AVE | 2 — Residential (four families or less) | $1,116,600 | 2025 | $28,038 |
| 24 TINTLE RD | 2 — Residential (four families or less) | $1,074,400 | 2025 | $26,978 |
| 14 GORMLEY LN | 2 — Residential (four families or less) | $1,012,500 | 2025 | $25,424 |
| 142 KAKEOUT RD | 2 — Residential (four families or less) | $1,005,200 | 2025 | $25,241 |
| 13 MYRTLE AVE | 2 — Residential (four families or less) | $1,002,600 | 2025 | $25,175 |
Business
The highest business estimate in Butler Boro is $540,116 at 1510 ROUTE 23, on a net assessment of $21,510,000 and a 2025 general rate of 2.511.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 1510 ROUTE 23 | 4A — Commercial | $21,510,000 | 2025 | $540,116 |
| 10 PARK PL | 4B — Industrial | $18,062,100 | 2025 | $453,539 |
| 1210 ROUTE 23 | 4A — Commercial | $15,227,800 | 2025 | $382,370 |
| 1414 ROUTE 23 | 4A — Commercial | $8,387,100 | 2025 | $210,600 |
| 250 HAMBURG TPKE | 4B — Industrial | $8,345,500 | 2025 | $209,556 |
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 Butler Boro, typical class 2 assessment $486,681
Class 2 residential in the MOD-IV file: 2,444 parcels, average net assessment $486,681.
How assessments changed
Class 2 residential net assessments changed from $1,080,458,200 to $1,188,238,000, up 10.0%, on 2,442 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 82 usable recorded sales whose latest deed on this file is in 2025, the median price is $499,900. 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 | 2,444 | $1,189,448,600 | 74.6% |
| Vacant land 1 | 147 | $118,745,500 | 7.4% |
| Commercial 4A | 177 | $199,864,200 | 12.5% |
| Industrial 4B | 16 | $45,139,800 | 2.8% |
| Apartment 4C | 15 | $41,678,000 | 2.6% |
| Farm (qualified) 3B | 1 | $900 | 0.0% |
| Other / unclassified other | 6 | $0 | 0.0% |
Housing stock in Butler Boro, median year built 1960
On the 2026 file, class 2 houses in Butler Boro with a year built have a median year of 1960, about 66 years old. Of those 2,439 houses, the largest share was built Before 1940. This is the assessor’s year built. It is not a ranking of towns.
By parcel count, Residential 87.1%, Commercial 6.3%, Vacant land 5.2%, Industrial 0.6%, Apartment 0.5%, Other / unclassified 0.2%, Farm (qualified) <0.1%. 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.