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21 Hearthside Dr

Mount Sinai, NY 11766

1 bd 1 ba Built 1975 Lot 1,742 sqft condos
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 $1,290 $190 $1,480 $6,521
2024 $1,290 $190 $1,480 $6,200
2023 $1,290 $190 $1,480 $6,000
2022 $1,290 $190 $1,480 $5,866
2021 $1,290 $190 $1,480 $5,774
2020 $1,290 $190 $1,480 $4,586
2018 $1,290 $190 $1,480 $4,414
2017 $1,290 $190 $1,480 $4,277
2016 $1,290 $190 $1,480 $3,046
2015 $1,290 $190 $1,480 $4,214
2014 $1,290 $190 $1,480 $4,130
2013 $1,290 $190 $1,480 $4,092
2012 $1,290 $190 $1,480 $3,971
2011 $1,290 $190 $1,480 $3,890
2010 $1,290 $190 $1,480 $3,744
2008 $1,290 $190 $1,480 $4,479
2007 $1,290 $190 $1,480 $1,059
2006 $1,290 $190 $1,480 $1,082

Property facts

Year built
1975
Property type
condos
Stories
1
Beds
1
Baths
1
Living area
Lot size
1,742 sqft
ZIP code
11766
City
Mount Sinai
Street
Hearthside Dr
Coordinates
40.91741, -73.00419

Block-level micro-comps

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

Frequently asked questions

When did 21 Hearthside Dr last sell?
No public-record sale is on file for 21 Hearthside Dr.
What is the current tax assessment for 21 Hearthside Dr?
The most recent total assessment for 21 Hearthside Dr (year 2025) is $1,480 with $6,521 in property tax.
When was 21 Hearthside Dr built?
21 Hearthside Dr was built in 1975.
How does 21 Hearthside Dr compare to others on Hearthside Dr?
We track 8 other properties on Hearthside Dr. Browse the list under "Other properties on Hearthside Dr" to compare beds, baths, and sale history.
What are the property facts for 21 Hearthside Dr?
21 Hearthside Dr is a 1 bed, 1 bath, 1,742 sqft lot condos.
Is 21 Hearthside Dr a flip candidate?
No — 21 Hearthside Dr does not appear in our flips dataset.
Is 21 Hearthside Dr a tax-appeal candidate?
No — 21 Hearthside Dr 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
+3.8%
Implied 1-yr
+15.0%
2026 Q3
$1.01M
2026 Q4
$1.04M
ZIP 11766 — Median Price History + Forecast

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