18 Key St
Millis, MA 02054
2 bd 2 ba 1,377 sqft Built 1984 condos
Most recent sale
$401,000
Jun 6, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jun 6, 2022 | Sold | $401,000 | MLS #72968421 |
| Apr 19, 2022 | Listed | $350,000 | MLS #72968421 |
| Apr 22, 2020 | Sold | $279,000 | MLS #72625524 |
| Aug 27, 2015 | Sold | $235,500 | MLS #71850306 |
| Jun 3, 2015 | Listed | $239,000 | MLS #71850306 |
| Apr 15, 1994 | Sold | $92,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $378,600 | — | $378,600 | $6,209 |
| 2024 | $375,300 | — | $375,300 | $6,162 |
| 2023 | $297,600 | — | $297,600 | $5,205 |
| 2022 | $271,900 | — | $271,900 | $5,133 |
| 2021 | $256,600 | — | $256,600 | $5,034 |
| 2020 | $217,900 | — | $217,900 | $4,389 |
| 2019 | $218,000 | — | $218,000 | $4,077 |
| 2018 | $218,000 | — | $218,000 | $3,928 |
| 2017 | $215,900 | — | $215,900 | $3,977 |
| 2016 | $208,200 | — | $208,200 | $3,631 |
| 2015 | $199,200 | — | $199,200 | $3,386 |
| 2014 | $205,200 | — | $205,200 | $3,501 |
| 2006 | $209,200 | — | $209,200 | $2,406 |
| 2005 | $199,100 | — | $199,100 | $2,310 |
| 2003 | $138,200 | — | $138,200 | $2,142 |
Property facts
Year built
1984
Property type
condos
Stories
2
Beds
2
Baths
2
Living area
1,377 sqft
Lot size
—
ZIP code
02054
City
Millis
Street
Key St
Coordinates
42.17764, -71.36534
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
$3,993
Gross rental yield
11.95%
Implied cap rate
7.77%
Trend-extrapolated value
—
Frequently asked questions
When did 18 Key St last sell?
18 Key St most recently sold on Jun 6, 2022 for $401,000.
What is the current tax assessment for 18 Key St?
The most recent total assessment for 18 Key St (year 2025) is $378,600 with $6,209 in property tax.
How does 18 Key St's assessment compare to its last sale price?
The current assessment is 5.6% below the last sale price of $401,000.
When was 18 Key St built?
18 Key St was built in 1984.
How does 18 Key St compare to others on Key St?
We track 8 other properties on Key St. Browse the list under "Other properties on Key St" to compare beds, baths, and sale history.
What are the property facts for 18 Key St?
18 Key St is a 2 bed, 2 bath, 1,377 sqft condos.
Is 18 Key St a flip candidate?
No — 18 Key St does not appear in our flips dataset.
Is 18 Key St a tax-appeal candidate?
No — 18 Key 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
-1.2%
Implied 1-yr
-5.0%
2026 Q3
$697.6K
2026 Q4
$688.1K