21 Kirby Ln
Lake Ronkonkoma, NY 11779
— ba 989 sqft Built 1938 Lot 4,792 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 | $940 | $80 | $1,020 | $4,121 |
| 2024 | $940 | $80 | $1,020 | $3,939 |
| 2023 | $940 | $80 | $1,020 | $3,866 |
| 2022 | $940 | $80 | $1,020 | $3,717 |
| 2021 | $940 | $80 | $1,020 | $3,647 |
| 2020 | $940 | $80 | $1,020 | $3,644 |
| 2018 | $940 | $80 | $1,020 | $3,544 |
| 2017 | $940 | $80 | $1,020 | $3,433 |
| 2016 | $940 | $80 | $1,020 | $3,418 |
| 2015 | $940 | $80 | $1,020 | $3,347 |
| 2014 | $940 | $80 | $1,020 | $3,314 |
| 2013 | $940 | $80 | $1,020 | $3,230 |
| 2012 | $940 | $80 | $1,020 | $3,208 |
| 2011 | $940 | $80 | $1,020 | $3,080 |
| 2010 | $940 | $80 | $1,020 | $2,997 |
| 2008 | $940 | $80 | $1,020 | $2,917 |
| 2007 | $940 | $80 | $1,020 | $1,977 |
| 2006 | $940 | $80 | $1,020 | $1,894 |
Property facts
Year built
1938
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
989 sqft
Lot size
4,792 sqft
ZIP code
11779
City
Lake Ronkonkoma
Street
Kirby Ln
Coordinates
40.83491, -73.11481
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Kirby Ln last sell?
No public-record sale is on file for 21 Kirby Ln.
What is the current tax assessment for 21 Kirby Ln?
The most recent total assessment for 21 Kirby Ln (year 2025) is $1,020 with $4,121 in property tax.
When was 21 Kirby Ln built?
21 Kirby Ln was built in 1938.
How does 21 Kirby Ln compare to others on Kirby Ln?
We track 3 other properties on Kirby Ln. Browse the list under "Other properties on Kirby Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Kirby Ln?
21 Kirby Ln is a — bath, 989 sqft, 4,792 sqft lot single_family.
Is 21 Kirby Ln a flip candidate?
No — 21 Kirby Ln does not appear in our flips dataset.
Is 21 Kirby Ln a tax-appeal candidate?
No — 21 Kirby Ln 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 Kirby Ln