9 William St
Andover, MA 01810
3 bd 3 ba 1,833 sqft Built 1927 Lot 8,538 sqft single_family
Most recent sale
$915,000
Jul 8, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 8, 2022 | Sold | $915,000 | MLS #72983353 |
| May 18, 2022 | Listed | $785,000 | MLS #72983353 |
| May 1, 2020 | Sold | $695,000 | MLS #72635381 |
| Feb 14, 2014 | Sold | $639,000 | MLS #71612033 |
| Nov 27, 2013 | Listed | $639,000 | MLS #71612033 |
| Nov 25, 2013 | Listing removed | $639,000 | MLSPIN |
| Sep 24, 2013 | Price changed | $639,000 | MLS #71579213 |
| Sep 6, 2013 | Listed | $669,000 | MLS #71579213 |
| Aug 29, 2013 | Sold | $362,500 | MLS #71414269 |
| Nov 16, 2012 | Price changed | $424,900 | MLS #71414269 |
| Oct 13, 2012 | Price changed | $449,000 | MLS #71414269 |
| Sep 24, 2012 | Price changed | $469,000 | MLS #71414269 |
| Aug 28, 2012 | Price changed | $499,900 | MLS #71414269 |
| Aug 10, 2012 | Price changed | $524,900 | MLS #71414269 |
| Jul 25, 2012 | Listed | $549,900 | MLS #71414269 |
| Jul 7, 2011 | Listing removed | $499,900 | MLSPIN |
| Jun 28, 2011 | Listed | $499,900 | MLS #71254979 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $504,100 | $512,200 | $1,016,300 | $12,694 |
| 2023 | $405,000 | $422,700 | $827,700 | $11,306 |
| 2022 | $360,200 | $374,100 | $734,300 | $10,721 |
| 2021 | $330,800 | $340,100 | $670,900 | $10,258 |
| 2020 | $323,700 | $331,800 | $655,500 | $9,839 |
| 2019 | $315,700 | $318,900 | $634,600 | $9,690 |
| 2018 | $290,300 | $300,700 | $591,000 | $9,243 |
| 2017 | $287,900 | $294,800 | $582,700 | $8,845 |
| 2016 | $287,900 | $294,800 | $582,700 | $8,636 |
| 2015 | $271,400 | $283,600 | $555,000 | $8,308 |
| 2014 | $242,400 | $269,700 | $512,100 | $7,774 |
| 2006 | $263,700 | $256,100 | $519,800 | $5,926 |
| 2005 | $263,700 | $213,200 | $476,900 | $5,489 |
| 2004 | $263,700 | $193,300 | $457,000 | $5,242 |
| 2003 | $235,800 | $193,300 | $429,100 | $4,990 |
Property facts
Year built
1927
Property type
single_family
Stories
—
Beds
3
Baths
3
Living area
1,833 sqft
Lot size
8,538 sqft
ZIP code
01810
City
Andover
Street
William St
Coordinates
42.67533, -71.15312
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$5,316
Gross rental yield
6.97%
Implied cap rate
4.53%
Trend-extrapolated value
—
Frequently asked questions
When did 9 William St last sell?
9 William St most recently sold on Jul 8, 2022 for $915,000.
What is the current tax assessment for 9 William St?
The most recent total assessment for 9 William St (year 2025) is $1,016,300 with $12,694 in property tax.
How does 9 William St's assessment compare to its last sale price?
The current assessment is 11.1% above the last sale price of $915,000.
When was 9 William St built?
9 William St was built in 1927.
How does 9 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 9 William St?
9 William St is a 3 bed, 3 bath, 1,833 sqft, 8,538 sqft lot single_family.
Is 9 William St a flip candidate?
No — 9 William St does not appear in our flips dataset.
Is 9 William St a tax-appeal candidate?
No — 9 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