9 Mill St
Hopkinton, MA 01748
4 bd 4 ba 3,946 sqft Built 2017 Lot 66,647 sqft single_family
Most recent sale
$1,169,900
May 26, 2017
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 31, 2022 | Price changed | $1,899,800 | MLS #73029701 |
| Sep 5, 2022 | Price changed | $1,899,900 | MLS #73029701 |
| Aug 26, 2022 | Listed | $1,699,000 | MLS #73029701 |
| May 26, 2017 | Sold | $1,169,900 | MLS #72057639 |
| Aug 24, 2016 | Listed | $1,169,900 | MLS #72057639 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,271,700 | $484,500 | $1,756,200 | $24,903 |
| 2024 | $1,111,400 | $461,800 | $1,573,200 | $22,984 |
| 2023 | $1,024,500 | $382,100 | $1,406,600 | $22,238 |
| 2022 | $934,100 | $347,700 | $1,281,800 | $21,829 |
| 2021 | $901,000 | $338,100 | $1,239,100 | $21,164 |
| 2020 | $868,400 | $330,300 | $1,198,700 | $20,162 |
| 2019 | $853,200 | $221,800 | $1,075,000 | $18,458 |
| 2018 | $876,400 | $211,300 | $1,087,700 | $18,382 |
| 2017 | — | $205,300 | $205,300 | $3,449 |
Property facts
Year built
2017
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
3,946 sqft
Lot size
66,647 sqft
ZIP code
01748
City
Hopkinton
Street
Mill St
Coordinates
42.22093, -71.48837
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 9 Mill St last sell?
9 Mill St most recently sold on May 26, 2017 for $1,169,900.
What is the current tax assessment for 9 Mill St?
The most recent total assessment for 9 Mill St (year 2025) is $1,756,200 with $24,903 in property tax.
How does 9 Mill St's assessment compare to its last sale price?
The current assessment is 50.1% above the last sale price of $1,169,900.
When was 9 Mill St built?
9 Mill St was built in 2017.
How does 9 Mill St compare to others on Mill St?
We track 8 other properties on Mill St. Browse the list under "Other properties on Mill St" to compare beds, baths, and sale history.
What are the property facts for 9 Mill St?
9 Mill St is a 4 bed, 4 bath, 3,946 sqft, 66,647 sqft lot single_family.
Is 9 Mill St a flip candidate?
No — 9 Mill St does not appear in our flips dataset.
Is 9 Mill St a tax-appeal candidate?
No — 9 Mill 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
+1.4%
Implied 1-yr
+5.6%
2026 Q3
$1.2M
2026 Q4
$1.21M
ZIP 01748 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mill St