209 William St
Boonton, NJ 07005
5 bd 3 ba Built 1890 Lot 11,761 sqft multi_family
Most recent sale
$417,000
Dec 1, 2006
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 2, 2026 | Sold | $408,000 | Public Record |
| Feb 26, 2026 | Sold | $408,000 | GardenState |
| May 15, 2024 | Listed | $400,000 | GardenState |
| Jun 30, 2018 | Listing removed | $900 | GardenState |
| Jun 27, 2018 | Listed for rent | $900 | GardenState |
| Jun 27, 2012 | Listing removed | $1,450 | GardenState |
| Jun 13, 2012 | Listed for rent | $750 | GardenState |
| Dec 1, 2006 | Sold | $417,000 | Public Record |
| Dec 9, 2004 | Sold | $200,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $78,900 | $153,500 | $232,400 | $8,082 |
| 2024 | $78,900 | $153,500 | $232,400 | $7,855 |
| 2023 | $78,900 | $153,500 | $232,400 | $7,648 |
| 2022 | $78,900 | $153,500 | $232,400 | $7,399 |
| 2021 | $202,100 | $153,500 | $355,600 | $11,091 |
| 2020 | $202,100 | $153,500 | $355,600 | $10,632 |
| 2019 | $202,100 | $153,500 | $355,600 | $10,771 |
| 2018 | $202,100 | $153,500 | $355,600 | $10,486 |
| 2017 | $202,100 | $153,500 | $355,600 | $10,049 |
| 2016 | $202,100 | $153,500 | $355,600 | $9,786 |
| 2015 | $202,100 | $153,500 | $355,600 | $9,626 |
| 2014 | $202,100 | $153,500 | $355,600 | $9,412 |
| 2013 | $202,100 | $153,500 | $355,600 | $9,202 |
| 2012 | $202,100 | $153,500 | $355,600 | $8,946 |
| 2011 | $202,100 | $153,500 | $355,600 | $8,815 |
| 2009 | $197,800 | $195,500 | $393,300 | $7,956 |
| 2008 | $197,800 | $195,500 | $393,300 | $7,512 |
| 2007 | $111,700 | $58,200 | $169,900 | $6,829 |
Property facts
Year built
1890
Property type
multi_family
Stories
3
Beds
5
Baths
3
Living area
—
Lot size
11,761 sqft
ZIP code
07005
City
Boonton
Street
William St
Coordinates
40.90598, -74.40779
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 209 William St last sell?
209 William St most recently sold on Dec 1, 2006 for $417,000.
What is the current tax assessment for 209 William St?
The most recent total assessment for 209 William St (year 2025) is $232,400 with $8,082 in property tax.
How does 209 William St's assessment compare to its last sale price?
The current assessment is 44.3% below the last sale price of $417,000.
When was 209 William St built?
209 William St was built in 1890.
How does 209 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 209 William St?
209 William St is a 5 bed, 3 bath, 11,761 sqft lot multi_family.
Is 209 William St a flip candidate?
No — 209 William St does not appear in our flips dataset.
Is 209 William St a tax-appeal candidate?
No — 209 William St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.3%
Implied 1-yr
-1.0%
2026 Q2
$742.6K
2026 Q3
$740.6K
ZIP 07005 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St