420 Joan St
Ronkonkoma, NY 11779
— ba 1,075 sqft Built 1970 Lot 10,890 sqft single_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 | $27,900 | $9,300 | $37,200 | $11,507 |
| 2024 | $27,900 | $9,300 | $37,200 | $10,750 |
| 2023 | $27,900 | $9,300 | $37,200 | $10,750 |
| 2022 | $27,900 | $9,300 | $37,200 | $10,700 |
| 2021 | $27,900 | $9,300 | $37,200 | $10,446 |
| 2020 | $24,450 | $9,300 | $33,750 | $8,130 |
| 2017 | $24,450 | $9,300 | $33,750 | $7,734 |
| 2016 | $24,450 | $9,300 | $33,750 | $7,725 |
| 2015 | $24,450 | $9,300 | $33,750 | $7,735 |
| 2014 | $24,450 | $9,300 | $33,750 | $7,670 |
| 2013 | $24,450 | $9,300 | $33,750 | $7,382 |
| 2012 | $24,450 | $9,300 | $33,750 | $7,091 |
| 2011 | $24,450 | $9,300 | $33,750 | $6,871 |
| 2010 | $24,450 | $9,300 | $33,750 | $6,603 |
| 2008 | $24,450 | $9,300 | $33,750 | $6,264 |
Property facts
Year built
1970
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,075 sqft
Lot size
10,890 sqft
ZIP code
11779
City
Ronkonkoma
Street
Joan St
Coordinates
40.79834, -73.14105
Comparable properties nearby
Frequently asked questions
When did 420 Joan St last sell?
No public-record sale is on file for 420 Joan St.
What is the current tax assessment for 420 Joan St?
The most recent total assessment for 420 Joan St (year 2025) is $37,200 with $11,507 in property tax.
When was 420 Joan St built?
420 Joan St was built in 1970.
How does 420 Joan St compare to others on Joan St?
We track 8 other properties on Joan St. Browse the list under "Other properties on Joan St" to compare beds, baths, and sale history.
What are the property facts for 420 Joan St?
420 Joan St is a — bath, 1,075 sqft, 10,890 sqft lot single_family.
Is 420 Joan St a flip candidate?
No — 420 Joan St does not appear in our flips dataset.
Is 420 Joan St a tax-appeal candidate?
No — 420 Joan 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
+1.1%
Implied 1-yr
+4.3%
2026 Q3
$566.9K
2026 Q4
$572.5K
ZIP 11779 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Joan St