21 Mountain Ave
North Stonington, CT 06359
2 bd 1 ba 692 sqft Built 1979 Lot 40,511 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 13, 2023 | Sold | $220,000 | SMARTMLS |
| May 25, 2023 | Listed | $229,000 | SMARTMLS |
| Sep 10, 2022 | Listed | $229,900 | MLS #170522557 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $44,030 | $45,010 | $89,040 | $2,571 |
| 2023 | $44,030 | $45,010 | $89,040 | $2,581 |
| 2022 | $44,030 | $45,010 | $89,040 | $2,533 |
| 2021 | $44,030 | $45,010 | $89,040 | $2,547 |
| 2020 | $44,940 | $44,310 | $89,250 | $2,633 |
| 2019 | $44,940 | $44,310 | $89,250 | $2,588 |
| 2018 | $44,940 | $44,310 | $89,250 | $2,517 |
| 2017 | $44,940 | $44,310 | $89,250 | $2,410 |
| 2016 | $44,940 | $44,310 | $89,250 | $2,410 |
| 2015 | $43,120 | $47,600 | $90,720 | $2,368 |
| 2013 | $43,120 | $47,600 | $90,720 | $2,322 |
| 2006 | $45,080 | $65,940 | $111,020 | $2,065 |
| 2005 | $21,840 | $31,290 | $53,130 | $1,594 |
| 2003 | $21,840 | $31,290 | $53,130 | $1,514 |
Property facts
Year built
1979
Property type
single_family
Stories
—
Beds
2
Baths
1
Living area
692 sqft
Lot size
40,511 sqft
ZIP code
06359
City
North Stonington
Street
Mountain Ave
Coordinates
41.50529, -71.88098
Comparable properties nearby
Frequently asked questions
When did 21 Mountain Ave last sell?
No public-record sale is on file for 21 Mountain Ave.
What is the current tax assessment for 21 Mountain Ave?
The most recent total assessment for 21 Mountain Ave (year 2025) is $89,040 with $2,571 in property tax.
When was 21 Mountain Ave built?
21 Mountain Ave was built in 1979.
How does 21 Mountain Ave compare to others on Mountain Ave?
We track 1 other property on Mountain Ave. Browse the list under "Other properties on Mountain Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Mountain Ave?
21 Mountain Ave is a 2 bed, 1 bath, 692 sqft, 40,511 sqft lot single_family.
Is 21 Mountain Ave a flip candidate?
No — 21 Mountain Ave does not appear in our flips dataset.
Is 21 Mountain Ave a tax-appeal candidate?
No — 21 Mountain Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.7%
Implied 1-yr
+6.7%
2025 Q4
$342K
2026 Q1
$347.1K
ZIP 06359 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain Ave