Sparta Twp NJ property tax rate 2025: 3.668
Sparta Twp, Sussex County. 9,162 parcels in the MOD-IV 2026 file. Rate shown is tax year 2025 (latest available — not yet matched to assessment year).
Assessments are tax year 2026; latest published general rate we have is 2025. Estimate uses that rate until the 2026 rate is loaded.
How to read a Sparta Twp bill
Sparta Twp’s general rate of 3.668 is tax year 2025 on the 2026 assessment file. It is not a 2026 bill. The prior general rate on file is 3.589 for 2024. School, county, and municipal shares of this rate are 64.4%, 17.0%, and 18.6%. The largest slice is schools. In Sussex County the middle school share for rate year 2025 is 63.6% in Andover Boro. Class 2 net assessments changed from $2,630,945,800 to $2,635,452,100, up 0.2%, on 7,072 parcels. Usable sales with a 2025 deed: median $659,000 (264 sales). The largest class share of net assessed value is Residential at 79.0%. State school aid is outside these bars.
Sparta Twp at a glance
9,162 parcels are on the 2026 file. The 2025 general rate is 3.668, and the prior rate on file is 3.589 for 2024. A typical class 2 assessment is $372,660. Usable sales with a 2025 deed: 264, median $659,000. The state construction file lists 13,584 permits here. The median class 2 house was built in 1973. The Census Bureau’s 2019–2023 American Community Survey counts 19,903 people and 7,789 housing units in Sparta township. A property page adds that parcel’s permits, flood zone, mapped flood elevation, and high and low ground. It also says what soil the state mapped, whether the 2012 map shows a wetland, and whether the address is in the Pinelands, the Highlands, or the coastal zone. It names a historic district only when the address is inside one. Owner names are not shown.
The shape of the ground in Sparta Twp
Sparta Twp sits on the state’s 10-foot ground scan, from LiDAR flown between 2014 and 2019. The Sussex County page opens that scan as a hillshade you can pan and zoom. Darker cuts are lower. Lighter ground is higher. A property page in Sparta Twp opens the same scan on that address. The lowest and highest 10-foot cell stay as numbers. The picture does not mark those two cells. It is not a survey and not a slope in degrees.
Building permits in Sparta Twp
The New Jersey construction-permit file lists 13,584 permits in Sparta Twp. 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 Sparta Twp construction office.
2025 general tax rate in Sparta Twp: 3.668
This general rate is tax year 2025. The assessment file is 2026. It is not a 2026 bill.
In Sussex County, the median municipality’s school share (rate year 2025) is 63.6%; this town is 64.4%. 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 Sussex towns · How NJ taxes work.
The school percent is the local property-tax levy. The district for this municipality is Sparta Twp (K-12), FY2027 K–12 aid $6,444,271. Those aid figures are not slices of these bars. Sussex district table.
Prior year (2024) general rate: 3.589.
Tax on a $200,000 or $500,000 sale in Sparta Twp
These figures use Sparta Twp’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 64.08% would be assessed at about $320,400. At the general rate of 3.668, the estimated tax is $11,752. A $200,000 sale at that same ratio and rate would be assessed at about $128,160, with an estimated tax of $4,701.
In Sussex County for 2025, the $500,000 bill runs from $2,348 in Walpack Twp to $14,735 in Hamburg Boro. The middle bill is $11,044 in Wantage Twp. All Sussex towns.
See every New Jersey town on the same $200,000 and $500,000 sale for 2025.
Recent usable sales in Sparta Twp
These are the five newest usable deeds on the 2026 file for Sparta Twp. 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 |
|---|---|---|---|
| 26 SIERRA PL | 12/8/2025 | $499,000 | $336,100 |
| 39 CROWNVIEW CT | 12/5/2025 | $1,360,000 | $720,000 |
| 381 SPRINGBROOK TR | 12/1/2025 | $490,000 | $265,400 |
| 59 HIDDEN GLEN DR | 12/1/2025 | $990,000 | $513,800 |
| 20 DYLAN DR | 11/21/2025 | $410,000 | $199,400 |
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 Sparta Twp, 2025 rate: $92,456
Residential
The highest residential estimate in Sparta Twp is $92,456 at 18 ISLAND TRL, on a net assessment of $2,520,600 and a 2025 general rate of 3.668.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 18 ISLAND TRL | 2 — Residential (four families or less) | $2,520,600 | 2025 | $92,456 |
| 11 ISLAND TRL | 2 — Residential (four families or less) | $2,439,500 | 2025 | $89,481 |
| 7 ISLAND TRL | 2 — Residential (four families or less) | $2,433,700 | 2025 | $89,268 |
| 24 ISLAND TRL | 2 — Residential (four families or less) | $1,971,300 | 2025 | $72,307 |
| 27 ISLAND TRL | 2 — Residential (four families or less) | $1,914,500 | 2025 | $70,224 |
Business
The highest business estimate in Sparta Twp is $499,218 at 5 TOWN CENTER DR, on a net assessment of $13,610,100 and a 2025 general rate of 3.668.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 5 TOWN CENTER DR | 4A — Commercial | $13,610,100 | 2025 | $499,218 |
| 2 NORTH VILLAGE BLVD | 4A — Commercial | $11,483,300 | 2025 | $421,207 |
| 513 LAFAYETTE RD | 4A — Commercial | $9,122,400 | 2025 | $334,610 |
| 89 SPARTA AVE | 4A — Commercial | $9,108,400 | 2025 | $334,096 |
| 18 NORTH VILLAGE BLVD | 4A — Commercial | $8,335,100 | 2025 | $305,731 |
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 Sparta Twp, typical class 2 assessment $372,660
Class 2 residential in the MOD-IV file: 7,072 parcels, average net assessment $372,660.
How assessments changed
Class 2 residential net assessments changed from $2,630,945,800 to $2,635,452,100, up 0.2%, on 7,072 parcels that have both a prior net and a 2026 net. This is the assessment roll, not an appraisal.
Among 264 usable recorded sales whose latest deed on this file is in 2025, the median price is $659,000. 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 | 7,072 | $2,635,452,100 | 79.0% |
| Vacant land 1 | 1,415 | $301,220,000 | 9.0% |
| Commercial 4A | 337 | $302,589,000 | 9.1% |
| Industrial 4B | 39 | $43,493,400 | 1.3% |
| Apartment 4C | 8 | $17,646,800 | 0.5% |
| Farm (regular) 3A | 66 | $33,129,900 | 1.0% |
| Farm (qualified) 3B | 183 | $753,700 | 0.0% |
| Other / unclassified other | 42 | $593,100 | 0.0% |
Housing stock in Sparta Twp, median year built 1973
On the 2026 file, class 2 houses in Sparta Twp with a year built have a median year of 1973, about 53 years old. Of those 7,015 houses, the largest share was built 1980–1999. This is the assessor’s year built. It is not a ranking of towns.
By parcel count, Residential 77.2%, Vacant land 15.4%, Commercial 3.7%, Farm (qualified) 2.0%, Farm (regular) 0.7%, Other / unclassified 0.5%, Industrial 0.4%, Apartment <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.