Cap rates and value · North Jersey
Is Assessed Value the Same as Market Value in NJ?
Your warehouse has a tax number. That doesn’t make it a price tag.
Shopping for a warehouse? Treating its assessment as a ready-made valuation is a little like pricing a used car from an old insurance form. Useful paperwork. Incomplete shopping advice.
Nearly half of this industrial cohort had a frozen assessment
I followed 5,711 properties classified as industrial in Bergen, Essex, Hudson and Passaic counties through six annual observations, from 2021 to 2026. For 2,842—49.8%—the gross assessment stayed exactly the same in every year.
| County | Properties | Unchanged | Share |
|---|---|---|---|
| Essex | 1,536 | 1,133 | 73.8% |
| Hudson | 1,037 | 673 | 64.9% |
| Passaic | 953 | 486 | 51.0% |
| Bergen | 2,185 | 550 | 25.2% |
That doesn’t tell us their rents, sale prices or investment returns stood still. It tells us the assessment series alone can’t answer those questions. A flat line on the tax record isn’t a flat line on the market.
Can a warehouse sell for more than twice its assessment?
Yes. Two completed Fairfield sales make the distinction wonderfully concrete:
- 6 Stewart Place: $8.75 million in August 2024, against a $3,148,300 gross assessment for that tax year. That’s 2.78 times the assessment.
- 340 Kaplan Drive: $7.8 million in July 2024, against a $3,391,200 gross assessment. That’s 2.30 times the assessment.
| Property | Sale price | Assessment | Multiple |
|---|---|---|---|
| 6 Stewart Place | $8,750,000 | $3,148,300 | 2.78× |
| 340 Kaplan Drive | $7,800,000 | $3,391,200 | 2.30× |
The lesson isn’t “multiply every assessment by two.” These sales don’t establish a universal multiplier—or prove either buyer got a bargain. They show how far apart the two numbers can be. An actual sale price is evidence of market value, too, rather than an automatic verdict.
How should you use an assessment when buying a warehouse?
Use it to understand the tax record and spot questions worth asking. Then build the price case around comparable completed sales, supported income and expenses, and the building itself. Loading, usable space and condition deserve a place in that conversation.
Keep three numbers in separate boxes: the assessment, the seller’s asking price and the price your analysis supports. None gets to impersonate the others.
The tax record is a good place to start your homework. It shouldn’t be the person making your offer.
A fixed cohort with complete, positive 2021–2026 gross assessments and industrial classification in every year. This is a North Jersey industrial study, not a statewide housing survey. Matching record identifiers do not establish unchanged physical or legal property boundaries. Analysis prepared October 17, 2026.