51 Washington Ave
Mastic, NY 11950
— ba 1,143 sqft Built 1951 Lot 10,019 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 | $1,377 | $200 | $1,577 | $6,710 |
| 2024 | $1,377 | $200 | $1,577 | $6,438 |
| 2023 | $1,377 | $200 | $1,577 | $7,239 |
| 2022 | $1,377 | $200 | $1,577 | $7,444 |
| 2021 | $1,377 | $200 | $1,577 | $7,405 |
| 2020 | $1,377 | $200 | $1,577 | $7,295 |
| 2018 | $1,377 | $200 | $1,577 | $7,145 |
| 2017 | $1,377 | $200 | $1,577 | $7,018 |
| 2016 | $1,377 | $200 | $1,577 | $7,018 |
| 2015 | $1,377 | $200 | $1,577 | $6,863 |
| 2014 | $1,377 | $200 | $1,577 | $6,683 |
| 2013 | $1,377 | $200 | $1,577 | $6,516 |
| 2012 | $1,377 | $200 | $1,577 | $6,348 |
| 2011 | $1,377 | $200 | $1,577 | $6,213 |
| 2010 | $1,750 | $200 | $1,950 | $7,025 |
| 2008 | $1,750 | $200 | $1,950 | $6,553 |
| 2007 | $1,750 | $200 | $1,950 | $6,250 |
| 2006 | $1,750 | $200 | $1,950 | $5,877 |
Property facts
Year built
1951
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,143 sqft
Lot size
10,019 sqft
ZIP code
11950
City
Mastic
Street
Washington Ave
Coordinates
40.81065, -72.84178
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 51 Washington Ave last sell?
No public-record sale is on file for 51 Washington Ave.
What is the current tax assessment for 51 Washington Ave?
The most recent total assessment for 51 Washington Ave (year 2025) is $1,577 with $6,710 in property tax.
When was 51 Washington Ave built?
51 Washington Ave was built in 1951.
How does 51 Washington Ave compare to others on Washington Ave?
We track 8 other properties on Washington Ave. Browse the list under "Other properties on Washington Ave" to compare beds, baths, and sale history.
What are the property facts for 51 Washington Ave?
51 Washington Ave is a — bath, 1,143 sqft, 10,019 sqft lot single_family.
Is 51 Washington Ave a flip candidate?
No — 51 Washington Ave does not appear in our flips dataset.
Is 51 Washington Ave a tax-appeal candidate?
No — 51 Washington 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
-15.7%
Implied 1-yr
-62.6%
2026 Q3
$393.8K
2026 Q4
$393.8K
ZIP 11950 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Washington Ave