23 Flagg Rd
Southborough, MA 01772
4 bd 3 ba 3,798 sqft Built 1980 Lot 190,793 sqft single_family
Most recent sale
$1,070,000
Apr 14, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 14, 2022 | Sold | $1,070,000 | MLS #72943148 |
| Feb 24, 2022 | Listed | $975,000 | MLS #72943148 |
| Jul 1, 1986 | Sold | $264,900 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $763,700 | $327,600 | $1,091,300 | $15,071 |
| 2024 | $695,000 | $327,600 | $1,022,600 | $14,224 |
| 2022 | $595,000 | $315,000 | $910,000 | $12,801 |
| 2021 | $488,400 | $255,700 | $744,100 | $12,062 |
| 2020 | $474,500 | $246,000 | $720,500 | $12,004 |
| 2018 | $449,300 | $230,600 | $679,900 | $10,974 |
| 2016 | $449,200 | $223,800 | $673,000 | $10,647 |
| 2015 | $443,800 | $209,000 | $652,800 | $10,458 |
| 2014 | $412,300 | $196,800 | $609,100 | $9,855 |
| 2006 | $396,300 | $241,900 | $638,200 | $7,888 |
| 2005 | $373,600 | $245,200 | $618,800 | $7,846 |
| 2004 | $355,000 | $228,300 | $583,300 | $7,466 |
| 2003 | $278,400 | $214,600 | $493,000 | $6,034 |
Property facts
Year built
1980
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
3,798 sqft
Lot size
190,793 sqft
ZIP code
01772
City
Southborough
Street
Flagg Rd
Coordinates
42.29823, -71.54880
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
$11,014
Gross rental yield
12.35%
Implied cap rate
8.03%
Trend-extrapolated value
—
Frequently asked questions
When did 23 Flagg Rd last sell?
23 Flagg Rd most recently sold on Apr 14, 2022 for $1,070,000.
What is the current tax assessment for 23 Flagg Rd?
The most recent total assessment for 23 Flagg Rd (year 2025) is $1,091,300 with $15,071 in property tax.
How does 23 Flagg Rd's assessment compare to its last sale price?
The current assessment is 2.0% above the last sale price of $1,070,000.
When was 23 Flagg Rd built?
23 Flagg Rd was built in 1980.
How does 23 Flagg Rd compare to others on Flagg Rd?
We track 8 other properties on Flagg Rd. Browse the list under "Other properties on Flagg Rd" to compare beds, baths, and sale history.
What are the property facts for 23 Flagg Rd?
23 Flagg Rd is a 4 bed, 3 bath, 3,798 sqft, 190,793 sqft lot single_family.
Is 23 Flagg Rd a flip candidate?
No — 23 Flagg Rd does not appear in our flips dataset.
Is 23 Flagg Rd a tax-appeal candidate?
No — 23 Flagg 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
-1.5%
Implied 1-yr
-5.9%
2026 Q3
$895.8K
2026 Q4
$881.3K
ZIP 01772 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Flagg Rd