15 William St
West Haven, CT 06516
3 bd 2 ba 1,700 sqft Built 1970 Lot 6,534 sqft single_family
Most recent sale
$325,000
Oct 18, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 18, 2022 | Sold | $325,000 | SMARTMLS |
| Sep 6, 2022 | Listed | $319,900 | MLS #170521523 |
| Aug 30, 2022 | Listing removed | — | SMARTMLS |
| Aug 16, 2022 | Price changed | $324,900 | MLS #170510703 |
| Jul 21, 2022 | Listed | $334,900 | MLS #170510703 |
| Dec 14, 2020 | Sold | $230,000 | Public Record |
| Sep 26, 2020 | Listing removed | — | SMARTMLS |
| Jul 7, 2020 | Listed | $220,000 | MLS #170312335 |
| Nov 15, 2019 | Listing removed | — | SMARTMLS |
| Nov 1, 2019 | Price changed (rent) | $1,950 | SMARTMLS |
| Oct 10, 2019 | Price changed (rent) | $1,650 | SMARTMLS |
| Oct 8, 2019 | Listed for rent | $1,999 | SMARTMLS |
| Oct 5, 2019 | Price changed | $199,900 | MLS #170197060 |
| Sep 29, 2019 | Price changed | $204,500 | MLS #170197060 |
| Sep 11, 2019 | Price changed | $209,500 | MLS #170197060 |
| Aug 24, 2019 | Relisted | $213,900 | MLS #170197060 |
| Aug 14, 2019 | Listing removed | — | SMARTMLS |
| Aug 1, 2019 | Price changed | $213,900 | MLS #170197060 |
| Jul 11, 2019 | Price changed | $217,500 | MLS #170197060 |
| May 20, 2019 | Listed | $219,900 | MLS #170197060 |
| Aug 13, 2016 | Listing removed | $1,700 | CTMLS |
| Jul 21, 2016 | Price changed (rent) | $1,700 | CTMLS |
| Jul 10, 2016 | Listed for rent | $1,800 | CTMLS |
| Jan 29, 2009 | Sold | $210,000 | Public Record |
| Nov 28, 2008 | Listing removed | $219,900 | CTMLS |
| Aug 16, 2008 | Listed | $224,900 | MLS #B983627 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $160,300 | $61,040 | $221,340 | $7,643 |
| 2023 | $90,160 | $42,280 | $132,440 | $6,160 |
| 2022 | $90,160 | $42,280 | $132,440 | $6,039 |
| 2021 | $90,160 | $42,280 | $132,440 | $6,039 |
| 2020 | $82,040 | $34,090 | $116,130 | $5,861 |
| 2019 | $82,040 | $34,090 | $116,130 | $5,652 |
| 2018 | $82,040 | $34,090 | $116,130 | $5,603 |
| 2017 | $82,040 | $34,090 | $116,130 | $5,302 |
| 2016 | $82,040 | $34,090 | $116,130 | $5,291 |
| 2015 | $89,950 | $37,590 | $127,540 | $5,146 |
| 2013 | $89,950 | $37,590 | $127,540 | $5,089 |
| 2005 | $51,310 | $24,150 | $75,460 | $3,987 |
| 2003 | $51,310 | $24,150 | $75,460 | $3,579 |
Property facts
Year built
1970
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,700 sqft
Lot size
6,534 sqft
ZIP code
06516
City
West Haven
Street
William St
Coordinates
41.26513, -72.94057
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$2,550
Gross rental yield
9.42%
Implied cap rate
6.12%
Trend-extrapolated value
—
Frequently asked questions
When did 15 William St last sell?
15 William St most recently sold on Oct 18, 2022 for $325,000.
What is the current tax assessment for 15 William St?
The most recent total assessment for 15 William St (year 2025) is $221,340 with $7,643 in property tax.
How does 15 William St's assessment compare to its last sale price?
The current assessment is 31.9% below the last sale price of $325,000.
When was 15 William St built?
15 William St was built in 1970.
How does 15 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 15 William St?
15 William St is a 3 bed, 2 bath, 1,700 sqft, 6,534 sqft lot single_family.
Is 15 William St a flip candidate?
Yes — 15 William St appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 15 William St a tax-appeal candidate?
No — 15 William 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
+3.6%
Implied 1-yr
+14.2%
2026 Q3
$471.9K
2026 Q4
$485.5K
ZIP 06516 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St