323 UNION ST
Valuation
Tax & Assessment
Property Facts
Transaction History(2)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Boonton Town School District
Neighborhood · ZIP 07005These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
323 Union St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Costs less per square foot than 67% of homes in Boonton 07005
- Has a smaller lot than 97% of homes in Boonton 07005
- Older than 96% of homes in Morris County
What homes are worth in Boonton 07005
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 37% of homes in Boonton 07005.
How it measures up in Boonton 07005
The dot is this home. The mark in the middle is the typical home in Boonton 07005.
Pricier than 37% of homes nearby
Pricier than 33% of homes nearby
Bigger than 50% of homes nearby
Bigger than 3% of homes nearby
Newer than 15% of homes nearby
| Measure | This home | Boonton 07005 | Morris County |
|---|---|---|---|
| Estimated valuepricier than | $669,268 | 37% of homes | 43% of homes |
| Price per ft²pricier than | $334 | 33% of homes | 34% of homes |
| Living areabigger than | 2,006 ft² | 50% of homes | 51% of homes |
| Lot sizebigger than | 0.1 ac | 3% of homes | 11% of homes |
| Year builtnewer than | 1900 | 15% of homes | 4% of homes |
About 323 Union St
How much is 323 Union St, Boonton, NJ worth?
The TopHap Estimate for 323 Union St, Boonton, NJ is $669,268 as of Aug 30, 2026. The likely range is $622,461 to $716,075. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 323 Union St, Boonton, NJ last sell?
323 Union St, Boonton, NJ last sold on Aug 17, 2017 for $361,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.
How big is 323 Union St, Boonton, NJ?
323 Union St, Boonton, NJ has 2,006 square feet of living space and a 0.10-acre lot.
When was 323 Union St, Boonton, NJ built?
323 Union St, Boonton, NJ was built in 1900, making it 126 years old. The building has 1 story.
What schools serve 323 Union St, Boonton, NJ?
323 Union St, Boonton, NJ is assigned to Boonton High School (high), rated B-; John Hill School (elementary), rated B. All sit in Boonton Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 323 Union St, Boonton, NJ compare to other homes in Boonton 07005?
Among the 4,974 homes in Boonton 07005, it is worth more than 37% of them ($669,268 against a typical $728,570), its price per square foot is higher than 33% of them ($334 against a typical $363), it is bigger than 50% of them (2,006 ft² against a typical 2,025 ft²), its lot is bigger than 3% of them (0.1 ac against a typical 0.38 ac) and it is newer than 15% of them (1900 against a typical 1957). Measured against all of Morris County, it is worth more than 43% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 323 Union St, Boonton, NJ?
The 2024 property tax bill for 323 Union St, Boonton, NJ was $11,032. The county assessed it at $326,400.
More homes on Union St
- 303 Union St$901K2,862 ft² · Sold $870K · Dec 2025
- 107 Union St5,144 ft² · Sold $720K · Jan 2024
- 333 Union St$554K1,332 ft² · Sold $435K · Jan 2022
- 311 Union St$628K1,949 ft² · Sold $435K · Aug 2020
- 318 Union St$442K1,038 ft² · Sold $200K · Sep 2018
- 230 Union St$622K1,872 ft² · Sold $300K · Jul 2016
- 208 Union St$602K2,024 ft² · Sold $200K · Aug 2012
- 234 Union St1,870 ft² · Sold $335K · Jan 2006
- 320 Union St$574K1,556 ft² · Sold $348K · Jan 2006
- 238 Union St$663K1,980 ft² · Sold May 2005
- 105 Union St$570K2,224 ft² · Sold $240K · Sep 2002
- 222 Union St$560K2,091 ft² · Sold $200K · Apr 2000
Closest homes
- 324 Mechanic St$600K52 ft · 1,583 ft² · Sold $98K · Sep 2019
- 314 Mechanic St$373K100 ft · 729 ft² · Sold $150K · Jun 2016
- 328 Mechanic St$637K84 ft · 1,552 ft² · Sold $500K · Aug 2022
- 328 Union St$698K125 ft · 2,658 ft² · Sold $151K · Nov 1995
- 320 Union St$574K105 ft · 1,556 ft² · Sold $348K · Jan 2006
- 311 Union St$628K143 ft · 1,949 ft² · Sold $435K · Aug 2020
- 333 Union St$554K129 ft · 1,332 ft² · Sold $435K · Jan 2022
- 318 Union St$442K130 ft · 1,038 ft² · Sold $200K · Sep 2018
More homes in Boonton 07005
- 314 Pine St$409K696 ft² · Sold $490K · Sep 2026
- 55 Intervale Rd$700K1,488 ft² · Sold $700K · Sep 2026
- 5 Drexel Ct$775K2,006 ft² · Sold $900K · Sep 2026
- 94 Redgate Rd$802K2,036 ft² · Sold $802K · Sep 2026
- 19 Cliffside Way$2M5,688 ft² · Sold $2M · Aug 2026
- 303 Highland Ave$803K2,130 ft² · Sold $799K · Aug 2026
- 324 William St$750K2,071 ft² · Sold $670K · Aug 2026
- 15 Luff Rd$849K1,834 ft² · Sold $800K · Aug 2026
- 18 Grove St$615K1,812 ft² · Sold $615K · Aug 2026
- 350 Parsippany Blvd$808K2,520 ft² · Sold $808K · Aug 2026
- 158 Roessler St$590K1,304 ft² · Sold $590K · Aug 2026
- 1 West Rd$842K1,800 ft² · Sold $842K · Aug 2026
Assigned schools
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