45 Dederer St, Tappan, NY 10983 Property Records

Rockland County and Orangetown Town property record for 45 Dederer St, Tappan, NY 10983

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,260 sqft · built 1967
Lot Size	0.139 acres (6,098 sqft)
Owner	2 Owner Names on File
Last Sale	$357,500 (Apr 2003)
Flood Zone	Zone X (minimal risk)
APN	`392489 77.08-2-10`

Property Details

APN / Parcel Number

Primary APN	`392489 77.08-2-10`
Alternative APNs	`248907700800020100000000` `0026744`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,260 sqft Living Area
1st Floor Area	1,260 sqft
Game Room	Game Room

Exterior

Year Built	Built 1967
Architectural Style	Ranch
Exterior Material	Composition/Composite
Lot Area	6,098 sqft (0.139 acres)
Garage Type	Basement
Porch	Open Porch
Porch Area	400 sqft
Patio Area	630 sqft

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	0026744
Old Parcel Number	248907700800020100000000
Street Address	45 DEDERER ST
City	TAPPAN
State	NY
Zip	10983-1711
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RG
Legal Description	60/55/471/8
Legal Subdivision	SECTIONS A & B OF SPARKILL ESTATES
Legal Block	2
Legal Lot Number	10.000
Jurisdiction	ROCKLAND NY
Township / Civil Division	ORANGETOWN
Census Block Group	3
Census Block	3006
Census Tract	13402

Owner

The current owner of 45 Dederer St bought it in April 2003.

Source: Rockland County and Orangetown Town records, as of December 26, 2025

Owner of Record	2 Owner Names on File
Mailing Address	45 DEDERER ST, TAPPAN, NY 10983-1711
Occupancy	Owner Occupied

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 24, 2003 · Amount on File
Deed Sale	Apr 24, 2003 · Amount on File
Prior Sale	Dec 31, 2001
Deed Document Number	2003-00028428
Record Updated	Jun 8, 2026

Tax Assessment & Valuation

Source: Rockland County and Orangetown Town assessment roll, as of May 31, 2024

Property Jurisdictions

Type	Name
State	New York
County	Rockland County
County Subdivision	Orangetown Town
Unified School District	South Orangetown Central School District (PK - 12)

Tax Bill & Assessment History

Year	Assessed Value	Assessed Market Value
2024	$161,100 (-) Land $29,500 Building $131,600	$471,881 (+4.36%) Land $86,409 Building $385,472
2023	$161,100 Land $29,500 Building $131,600	$452,147 Land $82,795 Building $369,352

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 45 Dederer St in Zone X, an area of minimal flood risk, though there have been 33 flood claims nearby since 1979.

Source: FEMA National Flood Hazard Layer, effective August 19, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 19 policies
Nearby Flood Policies	19 in force
Nearby Flood Claims	33 (1979–2025)
Claims Outside the SFHA	12 of 33
Most Recent Claim	Jan 2025 · other causes
Claims by Event	Remnants Of Hurricane Ida, Sep 2021 · 12 claims Hurricane Irene, Aug 2011 · 4 claims Severe Storms And Inland And Coastal Flooding, Apr 2007 · 5 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 45 Dederer St is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · above 54% of New York
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	VEOLIA WATER NEW YORK private · serves 270,000 people · EPA ID NY4303673
Water Source	Surface water
Last State Inspection	Mar 2023
Lead	3 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 255 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber	980 / 880
T-Mobile Fixed Wireless	100 / 20