Hillside Twp NJ property tax rate 2025: 8.899
Hillside Twp, Union County. 6,445 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.
Hillside Twp at a glance
6,445 parcels are on the 2026 file. The 2025 general rate is 8.899, and the prior rate on file is 8.253 for 2024. A typical class 2 assessment is $123,232. Usable sales with a 2025 deed: 105, median $510,000. The state construction file lists 4,777 permits here. The median class 2 house was built in 1929. 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 Hillside Twp bill
Hillside Twp’s general rate of 8.899 is tax year 2025 on the 2026 assessment file. It is not a 2026 bill. The prior general rate on file is 8.253 for 2024. School, county, and municipal shares of this rate are 38.7%, 15.8%, and 45.4%. The largest slice is municipal. In Union County the middle school share for rate year 2025 is 49.0% in Springfield Twp. Class 2 net assessments changed from $694,044,400 to $694,660,000, up 0.1%, on 5,632 parcels. Usable sales with a 2025 deed: median $510,000 (105 sales). The largest class share of net assessed value is Residential at 68.1%. State school aid is outside these bars.
Building permits in Hillside Twp
The New Jersey construction-permit file lists 4,777 permits in Hillside 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 Hillside Twp construction office.
2025 general tax rate in Hillside Twp: 8.899
This general rate is tax year 2025. The assessment file is 2026. It is not a 2026 bill.
In Union County, the median municipality’s school share (rate year 2025) is 49.0%; this town is 38.7%. The largest slice here is municipal. State school aid is not in these bars — it reduces the school levy before the rate is struck. All Union towns · How NJ taxes work.
The school percent is the local property-tax levy. The district for this municipality is Hillside Twp (K-12), FY2027 K–12 aid $36,582,587. Those aid figures are not slices of these bars. Union district table.
Prior year (2024) general rate: 8.253.
Tax on a $200,000 or $500,000 sale in Hillside Twp
These figures use Hillside 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 25.88% would be assessed at about $129,400. At the general rate of 8.899, the estimated tax is $11,515. A $200,000 sale at that same ratio and rate would be assessed at about $51,760, with an estimated tax of $4,606.
In Union County for 2025, the $500,000 bill runs from $7,393 in Summit City to $14,114 in Roselle Boro. The middle bill is $10,396 in Garwood Boro. All Union towns.
See every New Jersey town on the same $200,000 and $500,000 sale for 2025.
Recent usable sales in Hillside Twp
These are the five newest usable deeds on the 2026 file for Hillside 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 |
|---|---|---|---|
| 155 SILVER AVE | 12/22/2025 | $470,000 | $118,200 |
| 314 FITZPATRICK ST | 12/19/2025 | $585,000 | $120,300 |
| 307 HOLLYWOOD AVE | 12/18/2025 | $315,000 | $85,300 |
| 257 HERBERT AVE | 12/10/2025 | $485,000 | $101,200 |
| 153 NORTH AVE | 11/21/2025 | $530,000 | $133,400 |
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 Hillside Twp: $29,723
Residential
The highest residential estimate in Hillside Twp is $29,723 at 219 SURREY RD, on a net assessment of $334,000 and a 2025 general rate of 8.899.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 219 SURREY RD | 2 — Residential (four families or less) | $334,000 | 2025 | $29,723 |
| 930 SALEM AVE | 2 — Residential (four families or less) | $307,500 | 2025 | $27,364 |
| 203 NOTTINGHAM WAY | 2 — Residential (four families or less) | $307,300 | 2025 | $27,347 |
| 855 GATE WAY | 2 — Residential (four families or less) | $300,000 | 2025 | $26,697 |
| 190 SURREY RD | 2 — Residential (four families or less) | $299,000 | 2025 | $26,608 |
Business
The highest business estimate in Hillside Twp is $1,282,791 at 600 NO UNION AVE, on a net assessment of $14,415,000 and a 2025 general rate of 8.899.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 600 NO UNION AVE | 4B — Industrial | $14,415,000 | 2025 | $1,282,791 |
| 535 SWEETLAND AVE | 4A — Commercial | $8,627,700 | 2025 | $767,779 |
| 591 NO UNION AVE | 4A — Commercial | $5,686,200 | 2025 | $506,015 |
| 100 HOFFMAN PL | 4B — Industrial | $4,979,700 | 2025 | $443,144 |
| 250 ROUTE 22 | 4B — Industrial | $4,874,000 | 2025 | $433,737 |
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 Hillside Twp, typical class 2 assessment $123,232
Class 2 residential in the MOD-IV file: 5,637 parcels, average net assessment $123,232.
How assessments changed
Class 2 residential net assessments changed from $694,044,400 to $694,660,000, up 0.1%, on 5,632 parcels that have both a prior net and a 2026 net. This is the assessment roll, not an appraisal.
Among 105 usable recorded sales whose latest deed on this file is in 2025, the median price is $510,000. 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 | 5,637 | $694,660,000 | 68.1% |
| Vacant land 1 | 360 | $110,787,150 | 10.9% |
| Commercial 4A | 250 | $88,402,600 | 8.7% |
| Industrial 4B | 157 | $114,864,200 | 11.3% |
| Apartment 4C | 21 | $10,723,400 | 1.1% |
| Other / unclassified other | 20 | $2,433 | 0.0% |
Housing stock in Hillside Twp, median year built 1929
On the 2026 file, class 2 houses in Hillside Twp with a year built have a median year of 1929, about 97 years old. Of those 5,534 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 87.5%, Vacant land 5.6%, Commercial 3.9%, Industrial 2.4%, Apartment 0.3%, Other / unclassified 0.3%. 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.