399 Boulder St
Ronkonkoma, NY 11779
— ba 2,158 sqft Built 1980 Lot 11,761 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 | $31,100 | $17,100 | $48,200 | $12,352 |
| 2017 | $31,100 | $17,100 | $48,200 | $9,810 |
| 2016 | $31,100 | $17,100 | $48,200 | $9,815 |
| 2015 | $31,100 | $17,100 | $48,200 | $9,805 |
| 2014 | $31,100 | $17,100 | $48,200 | $9,725 |
| 2013 | $31,100 | $17,100 | $48,200 | $9,658 |
| 2012 | $31,100 | $17,100 | $48,200 | $9,283 |
| 2011 | $31,100 | $17,100 | $48,200 | $9,036 |
| 2010 | $31,100 | $17,100 | $48,200 | $9,695 |
| 2008 | $31,100 | $17,100 | $48,200 | $9,197 |
Property facts
Year built
1980
Property type
multi_family
Stories
—
Beds
—
Baths
—
Living area
2,158 sqft
Lot size
11,761 sqft
ZIP code
11779
City
Ronkonkoma
Street
Boulder St
Coordinates
40.81814, -73.13040
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 399 Boulder St last sell?
No public-record sale is on file for 399 Boulder St.
What is the current tax assessment for 399 Boulder St?
The most recent total assessment for 399 Boulder St (year 2025) is $48,200 with $12,352 in property tax.
When was 399 Boulder St built?
399 Boulder St was built in 1980.
How does 399 Boulder St compare to others on Boulder St?
We track 8 other properties on Boulder St. Browse the list under "Other properties on Boulder St" to compare beds, baths, and sale history.
What are the property facts for 399 Boulder St?
399 Boulder St is a — bath, 2,158 sqft, 11,761 sqft lot multi_family.
Is 399 Boulder St a flip candidate?
No — 399 Boulder St does not appear in our flips dataset.
Is 399 Boulder St a tax-appeal candidate?
No — 399 Boulder 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 Boulder St