428 Union Valley Rd
Mahopac, NY 10541
3 bd 2 ba 2,064 sqft Built 1983 Lot 65,776 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 | $512,800 | $105,400 | $618,200 | $15,910 |
| 2024 | $472,400 | $105,400 | $577,800 | $15,737 |
| 2023 | $400,000 | $95,800 | $495,800 | $15,454 |
| 2022 | $354,300 | $95,800 | $450,100 | $14,907 |
| 2021 | $341,200 | $95,800 | $437,000 | $14,298 |
| 2020 | $316,500 | $95,800 | $412,300 | $14,018 |
| 2017 | $308,400 | $95,800 | $404,200 | $11,771 |
| 2016 | $292,900 | $95,800 | $388,700 | $14,261 |
| 2015 | $183,100 | $85,000 | $268,100 | $14,110 |
| 2014 | $183,100 | $85,000 | $268,100 | $14,895 |
| 2013 | $183,100 | $85,000 | $268,100 | $14,617 |
| 2012 | $183,100 | $85,000 | $268,100 | $13,593 |
| 2011 | $183,100 | $85,000 | $268,100 | $3,310 |
| 2010 | $183,100 | $85,000 | $268,100 | $3,259 |
| 2009 | $183,100 | $85,000 | $268,100 | $3,080 |
| 2007 | $183,100 | $85,000 | $268,100 | $2,993 |
Property facts
Year built
1983
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
2,064 sqft
Lot size
65,776 sqft
ZIP code
10541
City
Mahopac
Street
Union Valley Rd
Coordinates
41.35621, -73.71469
Comparable properties nearby
Frequently asked questions
When did 428 Union Valley Rd last sell?
No public-record sale is on file for 428 Union Valley Rd.
What is the current tax assessment for 428 Union Valley Rd?
The most recent total assessment for 428 Union Valley Rd (year 2025) is $618,200 with $15,910 in property tax.
When was 428 Union Valley Rd built?
428 Union Valley Rd was built in 1983.
How does 428 Union Valley Rd compare to others on Union Valley Rd?
We track 8 other properties on Union Valley Rd. Browse the list under "Other properties on Union Valley Rd" to compare beds, baths, and sale history.
What are the property facts for 428 Union Valley Rd?
428 Union Valley Rd is a 3 bed, 2 bath, 2,064 sqft, 65,776 sqft lot single_family.
Is 428 Union Valley Rd a flip candidate?
No — 428 Union Valley Rd does not appear in our flips dataset.
Is 428 Union Valley Rd a tax-appeal candidate?
No — 428 Union Valley Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.2%
Implied 1-yr
+12.8%
2026 Q3
$696.8K
2026 Q4
$715.3K
ZIP 10541 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Valley Rd