23 William St
Andover, MA 01810
4 bd 4 ba 3,984 sqft Built 1921 Lot 46,174 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $662,700 | $676,100 | $1,338,800 | $16,722 |
| 2023 | $558,400 | $558,000 | $1,116,400 | $15,250 |
| 2022 | $507,300 | $494,000 | $1,001,300 | $14,619 |
| 2021 | $465,400 | $449,100 | $914,500 | $13,983 |
| 2020 | $455,200 | $438,200 | $893,400 | $13,410 |
| 2019 | $445,200 | $421,300 | $866,500 | $13,231 |
| 2018 | $409,000 | $397,300 | $806,300 | $12,611 |
| 2017 | $405,400 | $389,500 | $794,900 | $12,067 |
| 2016 | $405,400 | $389,500 | $794,900 | $11,780 |
| 2015 | $381,900 | $374,600 | $756,500 | $11,325 |
| 2014 | $340,400 | $356,300 | $696,700 | $10,576 |
| 2006 | $339,800 | $338,500 | $678,300 | $7,733 |
| 2005 | $339,900 | $281,700 | $621,600 | $7,155 |
| 2004 | $339,900 | $255,500 | $595,400 | $6,829 |
| 2003 | $329,300 | $255,500 | $584,800 | $6,801 |
Property facts
Year built
1921
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
3,984 sqft
Lot size
46,174 sqft
ZIP code
01810
City
Andover
Street
William St
Coordinates
42.67485, -71.15641
Comparable properties nearby
Frequently asked questions
When did 23 William St last sell?
No public-record sale is on file for 23 William St.
What is the current tax assessment for 23 William St?
The most recent total assessment for 23 William St (year 2025) is $1,338,800 with $16,722 in property tax.
When was 23 William St built?
23 William St was built in 1921.
How does 23 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 23 William St?
23 William St is a 4 bed, 4 bath, 3,984 sqft, 46,174 sqft lot single_family.
Is 23 William St a flip candidate?
No — 23 William St does not appear in our flips dataset.
Is 23 William St a tax-appeal candidate?
No — 23 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
+7.5%
Implied 1-yr
+29.8%
2026 Q3
$1.84M
2026 Q4
$1.9M
ZIP 01810 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St