40 Prospect St
Groton, CT 06355
5 bd 4 ba 3,100 sqft Built 2001 Lot 17,860 sqft single_family
Most recent sale
$725,000
Dec 17, 2004
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| May 1, 2024 | Sold | $1,165,000 | SMARTMLS |
| Feb 29, 2024 | Listed | $1,299,000 | SMARTMLS |
| Jan 5, 2024 | Listing removed | — | SMARTMLS |
| Jun 26, 2023 | Listing removed | — | SMARTMLS |
| Jun 22, 2023 | Listed | $1,299,000 | SMARTMLS |
| Oct 19, 2022 | Listed | $1,379,000 | SMARTMLS |
| Dec 17, 2004 | Sold | $725,000 | Public Record |
| May 1, 2001 | Sold | $520,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $319,627 | $292,943 | $612,570 | $16,674 |
| 2023 | $448,560 | $155,960 | $604,520 | $14,693 |
| 2022 | $448,560 | $155,960 | $604,520 | $14,372 |
| 2021 | $342,300 | $112,280 | $454,580 | $12,806 |
| 2020 | $342,300 | $112,280 | $454,580 | $12,701 |
| 2019 | $342,300 | $112,280 | $454,580 | $12,151 |
| 2018 | $342,300 | $112,280 | $454,580 | $12,005 |
| 2017 | $342,300 | $112,280 | $454,580 | $11,783 |
| 2016 | $317,660 | $148,260 | $465,920 | $11,201 |
| 2015 | $317,660 | $148,260 | $465,920 | $10,828 |
| 2013 | $317,660 | $148,260 | $465,920 | $10,660 |
| 2006 | $231,490 | $87,360 | $318,850 | $7,668 |
| 2005 | $231,490 | $87,360 | $318,850 | $7,318 |
| 2003 | $231,490 | $87,360 | $318,850 | $7,254 |
Property facts
Year built
2001
Property type
single_family
Stories
—
Beds
5
Baths
4
Living area
3,100 sqft
Lot size
17,860 sqft
ZIP code
06355
City
Groton
Street
Prospect St
Coordinates
41.34833, -71.97918
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 40 Prospect St last sell?
40 Prospect St most recently sold on Dec 17, 2004 for $725,000.
What is the current tax assessment for 40 Prospect St?
The most recent total assessment for 40 Prospect St (year 2025) is $612,570 with $16,674 in property tax.
How does 40 Prospect St's assessment compare to its last sale price?
The current assessment is 15.5% below the last sale price of $725,000.
When was 40 Prospect St built?
40 Prospect St was built in 2001.
How does 40 Prospect St compare to others on Prospect St?
We track 8 other properties on Prospect St. Browse the list under "Other properties on Prospect St" to compare beds, baths, and sale history.
What are the property facts for 40 Prospect St?
40 Prospect St is a 5 bed, 4 bath, 3,100 sqft, 17,860 sqft lot single_family.
Is 40 Prospect St a flip candidate?
No — 40 Prospect St does not appear in our flips dataset.
Is 40 Prospect St a tax-appeal candidate?
No — 40 Prospect 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
-1.6%
Implied 1-yr
-6.3%
2026 Q3
$608K
2026 Q4
$597.3K
ZIP 06355 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect St