40 21st Ave
Bay Shore, NY 11706
— ba 1,023 sqft Built 1955 Lot 11,761 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 | $24,700 | $7,000 | $31,700 | $8,401 |
| 2024 | $24,700 | $7,000 | $31,700 | $8,015 |
| 2023 | $24,700 | $7,000 | $31,700 | $8,015 |
| 2022 | $24,700 | $7,000 | $31,700 | $7,920 |
| 2021 | $24,700 | $7,000 | $31,700 | $7,778 |
| 2020 | $23,200 | $7,000 | $30,200 | $7,147 |
| 2017 | $23,200 | $7,000 | $30,200 | $6,783 |
| 2016 | $23,200 | $7,000 | $30,200 | $6,703 |
| 2015 | $23,200 | $7,000 | $30,200 | $6,677 |
| 2014 | $23,200 | $7,000 | $30,200 | $6,589 |
| 2013 | $23,200 | $7,000 | $30,200 | $6,407 |
| 2012 | $23,200 | $7,000 | $30,200 | $6,217 |
| 2011 | $23,200 | $7,000 | $30,200 | $5,980 |
| 2010 | $23,200 | $7,000 | $30,200 | $5,733 |
| 2008 | $23,200 | $7,000 | $30,200 | $5,426 |
| 2007 | $23,200 | $7,000 | $30,200 | $5,212 |
Property facts
Year built
1955
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,023 sqft
Lot size
11,761 sqft
ZIP code
11706
City
Bay Shore
Street
21st Ave
Coordinates
40.75343, -73.24502
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 40 21st Ave last sell?
No public-record sale is on file for 40 21st Ave.
What is the current tax assessment for 40 21st Ave?
The most recent total assessment for 40 21st Ave (year 2025) is $31,700 with $8,401 in property tax.
When was 40 21st Ave built?
40 21st Ave was built in 1955.
How does 40 21st Ave compare to others on 21st Ave?
We track 4 other properties on 21st Ave. Browse the list under "Other properties on 21st Ave" to compare beds, baths, and sale history.
What are the property facts for 40 21st Ave?
40 21st Ave is a — bath, 1,023 sqft, 11,761 sqft lot single_family.
Is 40 21st Ave a flip candidate?
No — 40 21st Ave does not appear in our flips dataset.
Is 40 21st Ave a tax-appeal candidate?
No — 40 21st Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+5.6%
Implied 1-yr
+22.5%
2026 Q2
$924.3K
2026 Q3
$962.4K
ZIP 11706 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st Ave