421 Spring St
Naugatuck, CT 06770
4 bd 3 ba 1,342 sqft Built 1880 Lot 6,970 sqft single_family
Most recent sale
$87,000
Sep 19, 1995
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 12, 2022 | Sold | $185,000 | SMARTMLS |
| Aug 1, 2022 | Price changed | $194,999 | MLS #170479547 |
| Jul 5, 2022 | Price changed | $199,000 | MLS #170479547 |
| May 19, 2022 | Price changed | $209,000 | MLS #170479547 |
| May 18, 2022 | Price changed | $2,090,000 | MLS #170479547 |
| Apr 28, 2022 | Price changed | $219,000 | MLS #170479547 |
| Apr 8, 2022 | Listed | $239,000 | MLS #170479547 |
| Mar 14, 2009 | Listing removed | $169,000 | SMARTMLS |
| Dec 1, 2008 | Listed | $169,000 | MLS #98402483 |
| Sep 19, 1995 | Sold | $87,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $95,900 | $27,720 | $123,620 | $4,919 |
| 2023 | $95,900 | $27,720 | $123,620 | $5,532 |
| 2022 | $46,770 | $29,620 | $76,390 | $3,648 |
| 2021 | $46,770 | $29,620 | $76,390 | $3,648 |
| 2020 | $46,770 | $29,620 | $76,390 | $3,648 |
| 2019 | $46,770 | $29,620 | $76,390 | $3,609 |
| 2018 | $43,590 | $35,650 | $79,240 | $3,831 |
| 2017 | $43,590 | $35,650 | $79,240 | $3,847 |
| 2016 | $43,590 | $35,650 | $79,240 | $3,777 |
| 2015 | $43,590 | $35,650 | $79,240 | $3,611 |
| 2013 | $43,590 | $35,650 | $79,240 | $3,550 |
| 2006 | $53,320 | $37,290 | $90,610 | $3,516 |
| 2004 | $53,320 | $37,290 | $90,610 | $3,208 |
| 2003 | $53,320 | $37,290 | $90,610 | $2,990 |
| 2001 | $40,060 | $27,570 | $67,630 | $2,205 |
Property facts
Year built
1880
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
1,342 sqft
Lot size
6,970 sqft
ZIP code
06770
City
Naugatuck
Street
Spring St
Coordinates
41.51015, -73.05792
Comparable properties nearby
Frequently asked questions
When did 421 Spring St last sell?
421 Spring St most recently sold on Sep 19, 1995 for $87,000.
What is the current tax assessment for 421 Spring St?
The most recent total assessment for 421 Spring St (year 2025) is $123,620 with $4,919 in property tax.
How does 421 Spring St's assessment compare to its last sale price?
The current assessment is 42.1% above the last sale price of $87,000.
When was 421 Spring St built?
421 Spring St was built in 1880.
How does 421 Spring St compare to others on Spring St?
We track 8 other properties on Spring St. Browse the list under "Other properties on Spring St" to compare beds, baths, and sale history.
What are the property facts for 421 Spring St?
421 Spring St is a 4 bed, 3 bath, 1,342 sqft, 6,970 sqft lot single_family.
Is 421 Spring St a flip candidate?
No — 421 Spring St does not appear in our flips dataset.
Is 421 Spring St a tax-appeal candidate?
No — 421 Spring St 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
+6.1%
2026 Q3
$360.9K
2026 Q4
$366K
ZIP 06770 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Spring St