878 Hillside Avenue Mountainside, NJ 07092
Built 1955Residential
- Assessed
- $627,700
- Last sale
- $690,000Oct 23, 2020
- Built
- 1955
- Size
- 1,803 sq ft
- Owner
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- Status
- No open cases
Property information
- Block
- 12
- Lot
- 1
- Qualifier
- —
- County
- Union
- Municipality
- Mountainside Boro
- Tax map page
- —
- Land description
- 000.204 AC
Building details
- Building class
- 17
- Description
- 1.5SF 1G
- Dwellings
- 1
- Zoning
- R-2
- Square feet
- 1,803
- Acreage
- 0.2 ac
Assessment
- Land value
- $297,600
- 47%
- Improvement value
- $330,100
- 53%
- Total assessment
- $627,700
- Sale assessment
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- Tax (2025)
- $12,868
Owner mailing
- Street address
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Property information on this site is compiled from public sources and is provided as-is; we do not guarantee its accuracy.
6 events · 1955–2020
Sales3
- $690,000
Deed recorded
+15% vs 2014Per sq ft$383Held6.1 yrsSq ft1,803RecordedDec 22, 2020 - 6 years
- $597,500
Deed recorded
+16% vs 2012Per sq ft$331Held2.2 yrsSq ft1,803RecordedSep 26, 2014 - $515,000
Deed recorded
Per sq ft$286Held1.6 yrsSq ft1,803NU codeImproved post-assessment (7)RecordedJul 17, 2012 - 58 years
Property Built
County clerks also index recorded documents by address and by the names on them. Search Union County records
36 years · 1990–2025
| Year | Property tax | Change | Land | Improvement | Assessment |
|---|---|---|---|---|---|
| 2025 | $132 | -99.0% | $297,600 | $330,100 | $627,700 |
| 2024 | $12,868 | +3.1% | $297,600 | $330,100 | $627,700 |
| 2023 | $12,479 | +1.2% | $297,600 | $330,100 | $627,700 |
| 2022 | $12,328 | +18.5% | $297,600 | $330,100 | $627,700 |
| 2021 | $10,404 | -0.5% | $297,600 | $330,100 | $627,700 |
| 2020 | $10,458 | -0.2% | $42,900 | $96,300 | $139,200 |
| 2019 | $10,479 | +0.7% | $42,900 | $96,300 | $139,200 |
| 2018 | $10,402 | +2.3% | $42,900 | $96,300 | $139,200 |
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