Rockland County  »  10983  »  Dederer St  »  11 Dederer St

11 Dederer Street, Tappan, NY 10983 - Property report

Also known as: 11 Dederer St

Property image for 11 Dederer Street, Tappan, NY 10983
static Mapbox map

Property type

Two Family Year-Round Residence (220)

Year built

1929

Acreage

0.14

Sale price

$420,000

General information

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Address
Primary address
11 Dederer Street
ZIP code
10983
County
Rockland
Parcel ID
74.20-3-57

Owner

Find out who owns 11 Dederer Street, Tappan, NY 10983. Uncover corporate and individual owners with a free account.

Sales
Sale date
12/29/2021
Sale price
$420,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$6,616
Zoning & Use
Zoning
RG
Units
2
Building
Property type
Two Family Year-Round Residence (220)
Building sq. ft.
1438
Buildings on lot
1
Stories
2
Year built
1929
AC
No
Bedrooms
4
Bathrooms
2
Condition
Fair
Exterior wall
Stucco
Building style
Old style
Kitchen
2
Basement
Full
Fireplaces
1
Heating
Hot water/steam
Fuel
Gas
First story sq. ft.
Second story sq. ft.
Lot
Acreage
0.14
Water
Comm/public
Sewer
Comm/public

Area overview

Walk score
47 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
56 /100.  Bikeable
School district
392401

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

Ownership information for 11 Dederer Street, Tappan, NY

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

Sales history for 11 Dederer Street, Tappan, NY 10983

More about Rockland County property records.

Title documents

Date Type Amount Party 1 Party 2
01/03/2023 - R
12/29/2021 - D
Deed XXXXXXX, XXXXX -XXX XXX XXXXXX XXX

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Property taxes for 11 Dederer Street, Tappan, 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
$6,616
Recent tax assessments
Market value
$407,651
Land value
$29,500
Building value
$378,151
Assessed value
$130,000

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 $380,785 $130,000 50.8921 $6,616 +100.84%
2024 $364,861 $130,000 25.34 $3,294 -3.91%
2023 $346,852 $130,000 26.37 $3,428 -9.63%
2022 $304,878 $130,000 29.18 $3,793 +1.53%
2021 $309,156 $130,000 28.74 $3,736 -1.41%
2020 $298,234 $130,000 29.15 $3,790 -0.82%
2019 $285,714 $130,000 29.39 $3,821 n/a

Permit information for 11 Dederer Street, Tappan, NY

No recently recorded permits for this property.

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map

Access the detailed traffic volume map for 11 Dederer Street, Tappan, NY 10983 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)
William O Schaefer Elementary School NR Public K-2 576 1.27
Northvale Public School 9 Public K-8 533 1.65
St Dominic's School NR Private 1-11 77 1.83
Preschool Play House/Funland NR Private PK-K 88 2.38
Preschool Play House/Funland NR Private PK-K 88 2.38
Kindercare Learning Center #1519 NR Private PK, K-1 25 2.58
Kindercare Learning Center #1519 NR Private PK, K-1 25 2.58
Cottage Lane Elementary School 5 Public 3-5 629 2.65
Northern Valley Region Iii NR Public PK, K-12 197 2.86
Northern Valley Region Iii NR Public PK, K-12 197 2.86
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Northvale Public School 9 Public K-8 533 1.65
St Dominic's School NR Private 1-11 77 1.83
Rockland Children's Psych Center NR Public 7-12 16 2.12
South Orangetown Middle School 6 Public 6-8 633 2.80
Northern Valley Region Iii NR Public PK, K-12 197 2.86
Norwood Elementary School 9 Public PK, K-8 610 2.93
Charles Dewolf Middle School 9 Public 5-8 358 3.18
Clark Academy NR Public 7-12 103 3.30
Dobbs Ferry Middle School 8 Public 6-8 365 3.41
The Masters School NR Private 5-12 671 3.59
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Tappan Zee High School 9 Public 9-12 953 1.60
St Dominic's School NR Private 1-11 77 1.83
Rockland Children's Psych Center NR Public 7-12 16 2.12
Northern Valley Regional High School at Old Tappan 9 Public 9-12 1,002 2.85
Northern Valley Region Iii NR Public PK, K-12 197 2.86
Clark Academy NR Public 7-12 103 3.30
Dobbs Ferry High School 9 Public 9-12 455 3.41
Daytop Prep School NR Private 9-12 12 3.52
The Masters School NR Private 5-12 671 3.59
Irvington High School 9 Public 9-12 548 3.83

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

Frequently asked questions

What is the year built for 11 Dederer Street, Tappan, NY 10983?

The development at 11 Dederer Street, Tappan, NY 10983 was built in 1929.

What is the total square footage of 11 Dederer Street, Tappan, NY 10983?

11 Dederer Street, Tappan, NY 10983 has a total of 1,438 square feet.

When was 11 Dederer Street, Tappan, NY 10983 last sold and what was the sale price?

11 Dederer Street, Tappan, NY 10983 was last sold on 12/29/2021 for $420,000.

What is the assessed value of 11 Dederer Street, Tappan, NY 10983?

11 Dederer Street, Tappan, NY 10983 is currently assessed at $130,000.

What are the property taxes for 11 Dederer Street, Tappan, NY 10983?

The property taxes for 11 Dederer Street, Tappan, NY 10983 total $6,615.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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