121 Neptune Ave
Mastic, NY 11950
5 bd 2 ba Built 1977 Lot 6,098 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 24, 2022 | Price changed | $409,000 | MLS #3413806 |
| Oct 18, 2022 | Price changed | $419,990 | MLS #3413806 |
| Oct 6, 2022 | Price changed | $429,000 | MLS #3413806 |
| Oct 3, 2022 | Relisted | $439,000 | MLS #3413806 |
| Jul 27, 2022 | Price changed | $444,900 | MLS #3413806 |
| Jul 25, 2022 | Price changed | $449,900 | MLS #3413806 |
| Jul 22, 2022 | Price changed | $459,900 | MLS #3413806 |
| Jul 13, 2022 | Price changed | $459,990 | MLS #3413806 |
| Jul 7, 2022 | Listed | $479,990 | MLS #3413806 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,850 | $100 | $1,950 | $8,202 |
| 2024 | $1,850 | $100 | $1,950 | $7,869 |
| 2023 | $1,850 | $100 | $1,950 | $8,861 |
| 2022 | $1,850 | $100 | $1,950 | $9,116 |
| 2021 | $1,850 | $100 | $1,950 | $9,070 |
| 2020 | $1,850 | $100 | $1,950 | $8,939 |
| 2019 | $1,850 | $100 | $1,950 | $8,939 |
| 2018 | $1,850 | $100 | $1,950 | $8,752 |
| 2017 | $1,850 | $100 | $1,950 | $8,596 |
| 2016 | $1,850 | $100 | $1,950 | $8,597 |
| 2015 | $1,850 | $100 | $1,950 | $8,406 |
| 2014 | $1,850 | $100 | $1,950 | $8,179 |
| 2013 | $1,850 | $100 | $1,950 | $7,764 |
| 2012 | $1,850 | $100 | $1,950 | $7,595 |
| 2011 | $1,850 | $100 | $1,950 | $7,215 |
| 2010 | $1,850 | $100 | $1,950 | $6,834 |
| 2009 | $1,850 | $100 | $1,950 | $6,745 |
| 2008 | $1,850 | $100 | $1,950 | $6,432 |
| 2007 | $1,850 | $100 | $1,950 | $6,059 |
| 2006 | $1,850 | $100 | $1,950 | $6,059 |
Property facts
Year built
1977
Property type
single_family
Stories
2
Beds
5
Baths
2
Living area
—
Lot size
6,098 sqft
ZIP code
11950
City
Mastic
Street
Neptune Ave
Coordinates
40.79183, -72.83329
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 121 Neptune Ave last sell?
No public-record sale is on file for 121 Neptune Ave.
What is the current tax assessment for 121 Neptune Ave?
The most recent total assessment for 121 Neptune Ave (year 2025) is $1,950 with $8,202 in property tax.
When was 121 Neptune Ave built?
121 Neptune Ave was built in 1977.
How does 121 Neptune Ave compare to others on Neptune Ave?
We track 8 other properties on Neptune Ave. Browse the list under "Other properties on Neptune Ave" to compare beds, baths, and sale history.
What are the property facts for 121 Neptune Ave?
121 Neptune Ave is a 5 bed, 2 bath, 6,098 sqft lot single_family.
Is 121 Neptune Ave a flip candidate?
No — 121 Neptune Ave does not appear in our flips dataset.
Is 121 Neptune Ave a tax-appeal candidate?
No — 121 Neptune 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 Neptune Ave