20 Thunder Mountain Rd
Greenwich, CT 06831
7 bd 10 ba 10,098 sqft Built 2007 Lot 212,573 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $3,920,630 | $887,180 | $4,807,810 | $57,886 |
| 2023 | $3,920,630 | $887,180 | $4,807,810 | $54,761 |
| 2022 | $3,920,630 | $887,180 | $4,807,810 | $54,232 |
| 2021 | $4,329,780 | $751,730 | $5,081,510 | $58,895 |
| 2020 | $4,329,780 | $751,730 | $5,081,510 | $58,895 |
| 2019 | $4,329,780 | $751,730 | $5,081,510 | $59,352 |
| 2018 | $4,329,780 | $751,730 | $5,081,510 | $57,777 |
| 2017 | $4,329,780 | $751,730 | $5,081,510 | $57,777 |
| 2016 | $4,329,780 | $751,730 | $5,081,510 | $56,913 |
| 2015 | $4,021,150 | $1,085,490 | $5,106,640 | $57,552 |
| 2013 | $3,955,910 | $1,085,490 | $5,041,400 | $53,842 |
| 2006 | — | $1,134,840 | $1,134,840 | $8,511 |
Property facts
Year built
2007
Property type
single_family
Stories
3
Beds
7
Baths
10
Living area
10,098 sqft
Lot size
212,573 sqft
ZIP code
06831
City
Greenwich
Street
Thunder Mountain Rd
Coordinates
41.05855, -73.67021
Comparable properties nearby
Frequently asked questions
When did 20 Thunder Mountain Rd last sell?
No public-record sale is on file for 20 Thunder Mountain Rd.
What is the current tax assessment for 20 Thunder Mountain Rd?
The most recent total assessment for 20 Thunder Mountain Rd (year 2025) is $4,807,810 with $57,886 in property tax.
When was 20 Thunder Mountain Rd built?
20 Thunder Mountain Rd was built in 2007.
How does 20 Thunder Mountain Rd compare to others on Thunder Mountain Rd?
We track 2 other properties on Thunder Mountain Rd. Browse the list under "Other properties on Thunder Mountain Rd" to compare beds, baths, and sale history.
What are the property facts for 20 Thunder Mountain Rd?
20 Thunder Mountain Rd is a 7 bed, 10 bath, 10,098 sqft, 212,573 sqft lot single_family.
Is 20 Thunder Mountain Rd a flip candidate?
No — 20 Thunder Mountain Rd does not appear in our flips dataset.
Is 20 Thunder Mountain Rd a tax-appeal candidate?
No — 20 Thunder Mountain 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 Thunder Mountain Rd