428 Round Hill Rd
Greenwich, CT 06831
Built 1992 Lot 175,982 sqft single_family
Most recent sale
$6,000,000
Jun 16, 1998
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Feb 1, 2023 | Sold | $9,600,000 | Public Record |
| Sep 6, 2022 | Price changed | $10,200,000 | MLS #H6190499 |
| Jul 5, 2022 | Price changed | $10,800,000 | MLS #H6190499 |
| Jun 7, 2022 | Listed | $11,500,000 | MLS #H6190499 |
| May 11, 2022 | Listed | $11,500,000 | MLS #115743 |
| Jun 16, 1998 | Sold | $6,000,000 | Public Record |
| Jun 10, 1992 | Sold | $1,250,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $4,980,850 | $1,415,190 | $6,396,040 | $77,008 |
| 2023 | $4,804,450 | $1,415,190 | $6,219,640 | $70,842 |
| 2022 | $4,804,450 | $1,415,190 | $6,219,640 | $70,158 |
| 2021 | $4,752,720 | $1,230,600 | $5,983,320 | $69,347 |
| 2020 | $4,752,720 | $1,230,600 | $5,983,320 | $69,347 |
| 2019 | $4,752,720 | $1,230,600 | $5,983,320 | $69,885 |
| 2018 | $4,752,720 | $1,230,600 | $5,983,320 | $68,030 |
| 2017 | $4,752,720 | $1,230,600 | $5,983,320 | $68,030 |
| 2016 | $4,752,720 | $1,230,600 | $5,983,320 | $67,013 |
| 2015 | $4,112,640 | $1,367,940 | $5,480,580 | $61,766 |
| 2013 | $4,112,640 | $1,367,940 | $5,480,580 | $58,533 |
| 2006 | $4,197,550 | $1,769,670 | $5,967,220 | $44,754 |
| 2004 | $3,751,790 | $1,169,210 | $4,921,000 | $54,722 |
| 2003 | $3,751,790 | $1,169,210 | $4,921,000 | $52,901 |
Property facts
Year built
1992
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
175,982 sqft
ZIP code
06831
City
Greenwich
Street
Round Hill Rd
Coordinates
41.09982, -73.66793
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 428 Round Hill Rd last sell?
428 Round Hill Rd most recently sold on Jun 16, 1998 for $6,000,000.
What is the current tax assessment for 428 Round Hill Rd?
The most recent total assessment for 428 Round Hill Rd (year 2025) is $6,396,040 with $77,008 in property tax.
How does 428 Round Hill Rd's assessment compare to its last sale price?
The current assessment is 6.6% above the last sale price of $6,000,000.
When was 428 Round Hill Rd built?
428 Round Hill Rd was built in 1992.
How does 428 Round Hill Rd compare to others on Round Hill Rd?
We track 8 other properties on Round Hill Rd. Browse the list under "Other properties on Round Hill Rd" to compare beds, baths, and sale history.
What are the property facts for 428 Round Hill Rd?
428 Round Hill Rd is a 175,982 sqft lot single_family.
Is 428 Round Hill Rd a flip candidate?
No — 428 Round Hill Rd does not appear in our flips dataset.
Is 428 Round Hill Rd a tax-appeal candidate?
No — 428 Round Hill 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
-1.6%
Implied 1-yr
-6.2%
2026 Q3
$3.71M
2026 Q4
$3.65M
ZIP 06831 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Round Hill Rd