540 Union Valley Rd
Mahopac, NY 10541
5 bd 4 ba 3,307 sqft Built 1876 Lot 259,618 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 | $550,800 | $143,400 | $694,200 | $17,810 |
| 2024 | $505,400 | $143,400 | $648,800 | $17,615 |
| 2023 | $426,300 | $130,400 | $556,700 | $17,299 |
| 2022 | $381,100 | $130,400 | $511,500 | $16,738 |
| 2021 | $366,200 | $130,400 | $496,600 | $16,210 |
| 2020 | $338,100 | $130,400 | $468,500 | $14,851 |
| 2017 | $328,900 | $130,400 | $459,300 | $13,495 |
| 2016 | $311,200 | $130,400 | $441,600 | $16,649 |
| 2015 | $210,900 | $99,300 | $310,200 | $16,486 |
| 2014 | $210,900 | $99,300 | $310,200 | $17,193 |
| 2013 | $210,900 | $99,300 | $310,200 | $16,872 |
| 2012 | $210,900 | $99,300 | $310,200 | $15,728 |
| 2011 | $210,900 | $99,300 | $310,200 | $3,829 |
| 2010 | $210,900 | $99,300 | $310,200 | $3,771 |
| 2009 | $210,900 | $99,300 | $310,200 | $3,563 |
| 2007 | $210,900 | $99,300 | $310,200 | $3,464 |
Property facts
Year built
1876
Property type
single_family
Stories
2
Beds
5
Baths
4
Living area
3,307 sqft
Lot size
259,618 sqft
ZIP code
10541
City
Mahopac
Street
Union Valley Rd
Coordinates
41.35559, -73.70484
Comparable properties nearby
Frequently asked questions
When did 540 Union Valley Rd last sell?
No public-record sale is on file for 540 Union Valley Rd.
What is the current tax assessment for 540 Union Valley Rd?
The most recent total assessment for 540 Union Valley Rd (year 2025) is $694,200 with $17,810 in property tax.
When was 540 Union Valley Rd built?
540 Union Valley Rd was built in 1876.
How does 540 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 540 Union Valley Rd?
540 Union Valley Rd is a 5 bed, 4 bath, 3,307 sqft, 259,618 sqft lot single_family.
Is 540 Union Valley Rd a flip candidate?
No — 540 Union Valley Rd does not appear in our flips dataset.
Is 540 Union Valley Rd a tax-appeal candidate?
No — 540 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