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4 21st Ave

Bay Shore, NY 11706

ba 1,134 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

YearBuildingLandTotal assessedTax paid
2025 $21,800 $7,000 $28,800 $7,683
2024 $21,800 $7,000 $28,800 $7,333
2023 $21,800 $7,000 $28,800 $7,333
2022 $19,250 $7,000 $26,250 $6,661
2021 $19,250 $7,000 $26,250 $6,535
2020 $19,250 $7,000 $26,250 $6,282
2018 $19,250 $7,000 $26,250 $6,077
2017 $19,250 $7,000 $26,250 $5,132
2016 $19,250 $7,000 $26,250 $4,539
2015 $19,250 $7,000 $26,250 $4,535
2014 $19,250 $7,000 $26,250 $4,481
2013 $19,250 $7,000 $26,250 $4,359
2012 $19,250 $7,000 $26,250 $4,224
2011 $19,250 $7,000 $26,250 $4,053
2010 $19,250 $7,000 $26,250 $3,874
2008 $19,250 $7,000 $26,250 $4,124
2007 $19,250 $7,000 $26,250 $3,889

Property facts

Year built
1955
Property type
single_family
Stories
Beds
Baths
Living area
1,134 sqft
Lot size
11,761 sqft
ZIP code
11706
City
Bay Shore
Street
21st Ave
Coordinates
40.75245, -73.24982

Comparable properties nearby

Block-level micro-comps

Same street, ±3 house numbers, sold in the last 24 months

Frequently asked questions

When did 4 21st Ave last sell?
No public-record sale is on file for 4 21st Ave.
What is the current tax assessment for 4 21st Ave?
The most recent total assessment for 4 21st Ave (year 2025) is $28,800 with $7,683 in property tax.
When was 4 21st Ave built?
4 21st Ave was built in 1955.
How does 4 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 4 21st Ave?
4 21st Ave is a — bath, 1,134 sqft, 11,761 sqft lot single_family.
Is 4 21st Ave a flip candidate?
No — 4 21st Ave does not appear in our flips dataset.
Is 4 21st Ave a tax-appeal candidate?
No — 4 21st Ave is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
+5.6%
Implied 1-yr
+22.5%
2026 Q2
$924.3K
2026 Q3
$962.4K
ZIP 11706 — Median Price History + Forecast

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