Putnam County  »  10541  »  Union Valley Rd  »  423 Union Valley Rd

423 Union Valley Road, Mahopac, NY 10541 - Property report

Also known as: 423 Union Valley Rd

Property image for 423 Union Valley Road, Mahopac, NY 10541
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Property type

One Family Year-Round Residence (210)

Year built

2023

Acreage

4.06

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
423 Union Valley Road
ZIP code
10541
County
Putnam
Neighborhood
Carmel Hamlet
Parcel ID
87.7-1-22.2

Owner

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Tax
Tax year
2025-2026
Current property tax
$18,558
Zoning & Use
Zoning
R
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
3185
Buildings on lot
1
Stories
2
Year built
2023
AC
Yes
Bedrooms
3
Bathrooms
3
Condition
Good
Exterior wall
Stucco
Building style
Colonial
Kitchen
1
Basement
Full
Fireplaces
1
Heating
Hot air
Fuel
Oil
First story sq. ft.
Second story sq. ft.
Lot
Acreage
4.06
Frontage
56 ft
Water
Private
Sewer
Private

Area overview

School district
372001

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 423 Union Valley Road, Mahopac, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 423 Union Valley Road, Mahopac, NY 10541

No recently recorded sales for this property.

More about Putnam County property records.

Title documents

No recently recorded documents for this property.

Tax

Property taxes for 423 Union Valley Road, Mahopac, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$18,558
Recent tax assessments
Market value
$685,700
Land value
$136,600
Building value
$549,100
Assessed value
$685,700

More about Putnam County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025 $479,900 $479,900 27.0639 $12,988 +126.19%
2024 $187,100 $187,100 30.69 $5,742 n/a
Permits

Permit information for 423 Union Valley Road, Mahopac, NY

Issued date Permit number Permit type Sub type Valuation Finaled date Status
05/12/2022

*Most recent permit on record for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 423 Union Valley Road, Mahopac, NY 10541 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Lakeview Elementary School 6 Public K-5 550 1.38
Fulmar Road Elementary School 6 Public K-5 478 1.79
Somers Intermediate School 6 Public 3-5 524 2.20
Ives School NR Private 5-12 0 2.23
Hudson Valley Christian Academy NR Private PK-5 31 2.86
Hudson Valley Christian Academy NR Private PK-5 31 2.86
Primrose School NR Public PK, K-2 527 3.12
Primrose School NR Public PK, K-2 527 3.12
Hampton Schools NR Private PK, K-1 33 3.23
Hampton Schools NR Private PK, K-1 33 3.23
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Lincoln Hall Ives School NR Private 6-10 36 2.09
Somers Middle School 7 Public 6-8 569 2.21
Ives School NR Private 5-12 0 2.23
Mahopac High School 8 Public 7-12 1,254 2.43
Mahopac Middle School 5 Public 6-8 926 2.49
Mahopac Falls School NR Public 6-8 14 2.57
Longview School NR Private PK, K-12 0 5.66
Longview School NR Private K-12 24 5.66
Lakeland Copper Beech Middle School 7 Public 6-8 1,247 5.85
North Salem Middle School High School 8 Public 6-12 547 6.07
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Lincoln Hall Ives School NR Private 6-10 36 2.09
Ives School NR Private 5-12 0 2.23
Mahopac High School 8 Public 7-12 1,254 2.43
Somers Senior High School 8 Public 9-12 980 2.97
John F Kennedy Catholic High School NR Private 9-12 671 3.80
Carmel High School 7 Public 9-12 1,365 5.34
Longview School NR Private PK, K-12 0 5.66
Longview School NR Private K-12 24 5.66
North Salem Middle School High School 8 Public 6-12 547 6.07
Putnam Northern Westchester Boces NR Public K-12 326 6.10

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 423 Union Valley Road, Mahopac, NY

334 Austin Rd, Mahopac 336 Austin Rd, Mahopac 419 Union Valley Rd, Mahopac

Nearby ZIP codes for 423 Union Valley Road, Mahopac, NY

10501, Westchester County, NY 10505, Westchester County, NY 10507, Westchester County, NY 10509, Putnam County, NY 10512, Putnam County, NY 10517, Westchester County, NY 10519, Westchester County, NY 10526, Westchester County, NY 10527, Westchester County, NY 10535, Westchester County, NY 10536, Westchester County, NY 10537, Putnam County, NY 10537, Westchester County, NY 10547, Westchester County, NY 10560, Westchester County, NY 10578, Westchester County, NY 10579, Putnam County, NY 10589, Westchester County, NY 10598, Westchester County, NY 12533, Dutchess County, NY

Frequently asked questions

What is the year built for 423 Union Valley Road, Mahopac, NY 10541?

The development at 423 Union Valley Road, Mahopac, NY 10541 was built in 2023.

What is the total square footage of 423 Union Valley Road, Mahopac, NY 10541?

423 Union Valley Road, Mahopac, NY 10541 has a total of 3,185 square feet.

What is the assessed value of 423 Union Valley Road, Mahopac, NY 10541?

423 Union Valley Road, Mahopac, NY 10541 is currently assessed at $685,700.

What are the property taxes for 423 Union Valley Road, Mahopac, NY 10541?

The property taxes for 423 Union Valley Road, Mahopac, NY 10541 total $18,557.

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