100 William St
Norwalk, CT 06851
4 bd 3 ba 1,432 sqft Built 1958 Lot 12,632 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Feb 25, 2022 | Sold | $549,000 | SMARTMLS |
| Sep 15, 2021 | Price changed | $544,000 | SMARTMLS |
| Aug 13, 2021 | Listed | $554,000 | SMARTMLS |
| Sep 28, 1989 | Sold | $248,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $222,020 | $174,130 | $396,150 | $9,486 |
| 2023 | $153,710 | $130,600 | $284,310 | $7,154 |
| 2022 | $153,710 | $130,600 | $284,310 | $7,020 |
| 2021 | $153,710 | $130,600 | $284,310 | $6,838 |
| 2020 | $153,710 | $130,600 | $284,310 | $6,834 |
| 2019 | $153,710 | $130,600 | $284,310 | $6,643 |
| 2018 | $121,550 | $143,110 | $264,660 | $7,056 |
| 2017 | $121,550 | $143,110 | $264,660 | $6,814 |
| 2016 | $121,550 | $143,110 | $264,660 | $6,749 |
| 2015 | $121,550 | $143,110 | $264,660 | $6,730 |
| 2013 | $119,350 | $180,810 | $300,160 | $6,660 |
| 2005 | $136,430 | $142,660 | $279,090 | $7,036 |
| 2003 | $105,560 | $70,350 | $175,910 | $4,984 |
Property facts
Year built
1958
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
1,432 sqft
Lot size
12,632 sqft
ZIP code
06851
City
Norwalk
Street
William St
Coordinates
41.12113, -73.38356
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 100 William St last sell?
No public-record sale is on file for 100 William St.
What is the current tax assessment for 100 William St?
The most recent total assessment for 100 William St (year 2025) is $396,150 with $9,486 in property tax.
When was 100 William St built?
100 William St was built in 1958.
How does 100 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 100 William St?
100 William St is a 4 bed, 3 bath, 1,432 sqft, 12,632 sqft lot single_family.
Is 100 William St a flip candidate?
No — 100 William St does not appear in our flips dataset.
Is 100 William St a tax-appeal candidate?
No — 100 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
+1.9%
Implied 1-yr
+7.6%
2026 Q3
$759.6K
2026 Q4
$772.4K
ZIP 06851 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St