18 Castle Rd
Northborough, MA 01532
4 bd 5 ba 4,310 sqft Built 1998 Lot 80,150 sqft single_family
Most recent sale
$1,100,000
Aug 26, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 26, 2022 | Sold | $1,100,000 | MLS #73008318 |
| Jul 21, 2022 | Price changed | $1,099,000 | MLS #73008318 |
| Jul 7, 2022 | Listed | $1,175,000 | MLS #73008318 |
| Apr 28, 1998 | Sold | $425,321 | Public Record |
| Jun 27, 1995 | Sold | $75,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $873,800 | $362,000 | $1,235,800 | $17,610 |
| 2024 | $830,200 | $305,000 | $1,135,200 | $16,211 |
| 2023 | $673,300 | $288,200 | $961,500 | $14,221 |
| 2022 | $550,500 | $275,000 | $825,500 | $13,612 |
| 2021 | $518,100 | $251,000 | $769,100 | $13,167 |
| 2020 | $536,300 | $229,400 | $765,700 | $13,208 |
| 2019 | $521,200 | $229,400 | $750,600 | $12,873 |
| 2018 | $517,600 | $236,000 | $753,600 | $13,105 |
| 2017 | $498,900 | $236,000 | $734,900 | $12,780 |
| 2016 | $514,300 | $236,000 | $750,300 | $12,883 |
| 2015 | $445,700 | $261,100 | $706,800 | $11,825 |
| 2013 | $433,000 | $268,400 | $701,400 | $11,300 |
| 2006 | $486,500 | $282,700 | $769,200 | $9,438 |
| 2005 | $421,000 | $245,700 | $666,700 | $8,880 |
| 2003 | $336,400 | $148,100 | $484,500 | $7,670 |
Property facts
Year built
1998
Property type
single_family
Stories
—
Beds
4
Baths
5
Living area
4,310 sqft
Lot size
80,150 sqft
ZIP code
01532
City
Northborough
Street
Castle Rd
Coordinates
42.32743, -71.68664
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$12,499
Gross rental yield
13.64%
Implied cap rate
8.86%
Trend-extrapolated value
—
Frequently asked questions
When did 18 Castle Rd last sell?
18 Castle Rd most recently sold on Aug 26, 2022 for $1,100,000.
What is the current tax assessment for 18 Castle Rd?
The most recent total assessment for 18 Castle Rd (year 2025) is $1,235,800 with $17,610 in property tax.
How does 18 Castle Rd's assessment compare to its last sale price?
The current assessment is 12.3% above the last sale price of $1,100,000.
When was 18 Castle Rd built?
18 Castle Rd was built in 1998.
How does 18 Castle Rd compare to others on Castle Rd?
We track 2 other properties on Castle Rd. Browse the list under "Other properties on Castle Rd" to compare beds, baths, and sale history.
What are the property facts for 18 Castle Rd?
18 Castle Rd is a 4 bed, 5 bath, 4,310 sqft, 80,150 sqft lot single_family.
Is 18 Castle Rd a flip candidate?
No — 18 Castle Rd does not appear in our flips dataset.
Is 18 Castle Rd a tax-appeal candidate?
No — 18 Castle Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.8%
Implied 1-yr
-3.1%
2026 Q1
$590.9K
2026 Q2
$586.1K
ZIP 01532 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Castle Rd