380 MIDDLESEX AVE.

Carteret Boro, Middlesex County · Block 102, Lot 1

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Assessment year 2026 · Rate year 2025 · Prior rate 2024

Assessments are tax year 2026; latest published general rate we have is 2025. Estimate uses that rate until the 2026 rate is loaded.

Estimated tax story (homeowner view)
-50.8%

Estimated tax down $2,730,494 ($5,373,342 → $2,642,848) using 2024→2025 rates (3.188 → 1.568) × assessed net.

Assessment net change: 0.0% ($168,548,983 → $168,548,983).

Assessment

Land$65,420,000
Improvements$104,875,700
Net (taxable assessed, 2026)$168,548,983
Town avg ratio used100.00% (Average ratio (Director’s / Chapter 123))
Implied equalized value$168,548,983
2025 tax (MOD-IV billed)$2,937,808.77
Est. 2025 tax @ general rate$2,642,848
Mailing address (2026)60 STATE ST STE 2200, BOSTON; MA, 02109

How the ratio works: New Jersey towns often assess below full market value. The average ratio (Director’s / Chapter 123) estimates what percent of true market value the town’s assessments represent. Implied equalized value ≈ assessed net ÷ (ratio ÷ 100). Example: assessed $187,600 at 55.89% ≈ $335,700 equalized. Tax bills still use assessed value × the general tax rate — not the equalized figure.

The stored sale is not used for a change-since-sale figure. SR1A 3 — Sale between a company and its owner or a related company marks it non-usable, or the price is a nominal amount.

Published average ratio exceeded 100%; New Jersey treats that as 100% for equalization.

Building permits for 380 MIDDLESEX AVE.

The New Jersey construction-permit file lists 20 permits for 380 MIDDLESEX AVE. in Carteret Boro. 18 are still open in the state file. Permit 020250325+D, an alteration, was issued 22 Jul 2026 and is open in the state file. The reported cost is $90,000.

Permit Type Use Issued Closed Reported cost
020230569 Alteration Business Uses 21 Nov 2023 26 Nov 2024, Certificate of Approval $2,000
020230569+A Alteration Business Uses 21 Nov 2023 26 Nov 2024, Certificate of Approval $4,000
020240352 Alteration Business Uses 28 Jun 2024 Open in the state file $104,211
020240456 Alteration Business Uses 19 Aug 2024 Open in the state file $8,956,000
020240456+A Alteration Business Uses 27 Aug 2024 Open in the state file $1,172,850
020240456+B Alteration Business Uses 19 Sep 2024 Open in the state file $102,000
020240456+C Alteration Business Uses 11 Oct 2024 Open in the state file $102,710
020240456+D Alteration Business Uses 21 Oct 2024 Open in the state file $273,730
020240456+E Alteration Business Uses 15 Nov 2024 Open in the state file $273,730
020250293 Alteration Business Uses 15 Jul 2025 Open in the state file $614,658
020250298 Alteration Business Uses 23 Jul 2025 Open in the state file $298,879
020250297 Alteration Business Uses 23 Jul 2025 Open in the state file $12,000
020250325 Alteration Business Uses 29 Jul 2025 Open in the state file $4,500,000
020250369 Alteration Business Uses 10 Sep 2025 Open in the state file $6,234,911
020250369+A Alteration Business Uses 10 Sep 2025 Open in the state file $1,000
020250369+B Alteration Business Uses 27 Jan 2026 Open in the state file $700,000
020250369+D Alteration Business Uses 9 Mar 2026 Open in the state file $31,000
020260135 Alteration Business Uses 8 Apr 2026 Open in the state file $3,655,526
020260292 Alteration Business Uses 16 Jul 2026 Open in the state file $7,850
020250325+D Alteration Business Uses 22 Jul 2026 Open in the state file $90,000

The file does not name the work. This file is a full record from 2021 on. Older permits are mostly missing. A repair from before then can be absent here and still be at the Carteret Boro construction office.

Flood zone for 380 MIDDLESEX AVE.

The flood map could not be checked for 380 MIDDLESEX AVE., because the address did not place a point on the map. Assessment and tax figures on this page are from our own records.

The state’s 10-foot ground scan puts the lowest cell on this lot at 11.5 feet and the highest at 20.8 feet (NAVD88).

These figures are estimates. The zone and any flood elevation come from FEMA’s flood map at a point for this address, and that point can fall in the street. The high and low come from the state’s 10-foot ground scan of the lot outline. A cell can catch a ditch, the street, or the edge of the lot. They are not a survey and not an insurance rating. A licensed surveyor measures the ground and the building. The town floodplain administrator, or a licensed engineer, confirms what the zone means for this lot. No zone at this point, or zone X, does not mean the lot will not flood.

Water and sewer for 380 MIDDLESEX AVE.

The water and sewer maps could not be checked for 380 MIDDLESEX AVE., because the address did not place a point on the map.

Year-by-year assessed value & tax

From NJ MOD-IV files (2023, 2024, 2025, 2026). Tax is the MOD-IV billed amount when present; otherwise —. Current mailing is in Assessment above.

Year Assessed net Tax
2026 $168,548,983 —
2025 $168,548,983 $2,937,808.77
2024 $83,171,583 $2,877,736.78
2023 $83,171,583 $2,800,387.20

Mailing changed in 2025 to 60 STATE ST STE 2200, BOSTON; MA, 02109.

Assessed value & ratio history

Parcel assessed nets come from MOD-IV year files (2023, 2024, 2025, 2026). Town average ratios are from Abstract / Chapter 123 when available — implied equalized = assessed ÷ (ratio ÷ 100).

Tax year Assessed net Avg ratio Implied equalized Assessed Δ Equalized Δ
2023 $83,171,583 70.19% $118,494,918 — —
2024 $83,171,583 68.28% $121,809,583 0.0% +2.8%
2025 $168,548,983 58.99% $285,724,670 +102.7% +134.6%
2026 $168,548,983 100.00% $168,548,983 0.0% -41.0%

2026: Published average ratio exceeded 100%; New Jersey treats that as 100% for equalization.

Tax year history

Assessed net is from that year’s MOD-IV file. Est. tax = assessed × that year’s general rate when we have the rate sheet. Billed tax is the MOD-IV tax field when present (often empty for the newest file year).

Tax year Assessment net General rate Est. tax (that year) Billed tax Est. vs prior
2023 $83,171,583 3.106 $2,583,309 $2,800,387.20 —
2024 $83,171,583 3.188 $2,651,510 $2,877,736.78 +2.6%
2025 $168,548,983 1.568 $2,642,848 $2,937,808.77 -0.3%
2026 $168,548,983 — — — —

Where your money goes

Component $ = net × (component rate ÷ 100). Percents are share of school + county + municipal components for rate year 2025.

Schools
$874,769 33.1%
County
$520,816 19.7%
Municipal
$1,247,262 47.2%

Of the estimated decrease of $2,730,494, the school portion moved $1,024,778 down, the county portion $407,889 down, and the municipal portion $1,297,827 down. Those are pieces of the dollar change. They are not a change in each share of the rate.

District school (0.519)$874,769
County (0.282)$475,308
County open space (0.027)$45,508
Municipal purpose (0.684)$1,152,875
Municipal open space (0.030)$50,565
Municipal library (0.026)$43,823

Property details

Class4B — Industrial
Building class—
Building—
Land description36.088 AC.
Dwellings0
Commercial units—
Year built1995
Acreage36.088
Zoning—
Tax map page1
Additional lots794430 SF.
Census tract / block—
Special tax codesS01 — Special improvement district 1; S02 — Special improvement district 2
MOD-IV current-year tax—
Last sale$39,151,165 · 1/29/2008 · sale assessment $24,106,100 · SR1A 3 — Sale between a company and its owner or a related company
Deed book / page05919 / 00502

The class, building class, SR1A, and special-tax words are the state’s names for those codes. The zoning code is the town’s. A code that is not on the state list keeps the code and says so.

See this lot on the statewide map, then come back for the full tax story.

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Sources: NJ Division of Taxation MOD-IV (current parcel file) and tax rates for 2025 (Abstract of Ratables). Building permits are read live from the NJ construction-permit file for this block and lot. The flood zone is read live from FEMA’s flood map at a point for this address. The high and low are read live from the state’s 10-foot ground scan. Water and sewer are read live from the state’s service-area maps at that same point. Those map readings are estimates, not a survey and not a hookup record. Estimates are not an official tax bill. Owner names are not shown. Water and sewer · Full disclaimer.