55 William St
Greenwich, CT 06830
3 bd 4 ba 2,249 sqft Built 1910 Lot 5,227 sqft multi_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 | $158,900 | $301,560 | $460,460 | $5,691 |
| 2023 | $158,900 | $301,560 | $460,460 | $5,358 |
| 2022 | $153,160 | $301,560 | $454,720 | $5,243 |
| 2021 | $141,890 | $193,760 | $335,650 | $4,041 |
| 2020 | $141,890 | $193,760 | $335,650 | $4,035 |
| 2019 | $141,890 | $193,760 | $335,650 | $4,075 |
| 2018 | $141,890 | $193,760 | $335,650 | $3,984 |
| 2017 | $141,890 | $193,760 | $335,650 | $4,034 |
| 2016 | $141,890 | $193,760 | $335,650 | $3,970 |
| 2015 | $51,520 | $247,310 | $298,830 | $3,545 |
| 2013 | $51,520 | $247,310 | $298,830 | $3,380 |
| 2006 | $79,450 | $326,480 | $405,930 | $3,187 |
| 2004 | $190,540 | $92,610 | $283,150 | $3,304 |
| 2003 | $190,540 | $92,610 | $283,150 | $3,197 |
Property facts
Year built
1910
Property type
multi_family
Stories
—
Beds
3
Baths
4
Living area
2,249 sqft
Lot size
5,227 sqft
ZIP code
06830
City
Greenwich
Street
William St
Coordinates
41.00237, -73.65411
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 55 William St last sell?
No public-record sale is on file for 55 William St.
What is the current tax assessment for 55 William St?
The most recent total assessment for 55 William St (year 2025) is $460,460 with $5,691 in property tax.
When was 55 William St built?
55 William St was built in 1910.
How does 55 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 55 William St?
55 William St is a 3 bed, 4 bath, 2,249 sqft, 5,227 sqft lot multi_family.
Is 55 William St a flip candidate?
No — 55 William St does not appear in our flips dataset.
Is 55 William St a tax-appeal candidate?
No — 55 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
-3.1%
Implied 1-yr
-12.2%
2026 Q3
$4.87M
2026 Q4
$4.68M
ZIP 06830 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St