19 Dederer St, Tappan, NY 10983 Property Records

Rockland County and Orangetown Town property record for 19 Dederer St, Tappan, NY 10983

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,264 sqft · built 1920
Lot Size	0.21 acres (9,148 sqft)
Owner	Individual Name on File
Last Sale	$500,000 (Dec 2006)
Flood Zone	Zone X (minimal risk)
APN	`392489 74.20-3-59`

Property Details

APN / Parcel Number

Primary APN	`392489 74.20-3-59`
Alternative APNs	`248907402000030590000000` `0026740`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Half Baths	1 Half Bath
Stories	3 Stories
Building Area	2,264 sqft Living Area
1st Floor Area	1,288 sqft
2nd Floor Area	864 sqft
Upper Floors Area	112 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1920
Architectural Style	Traditional
Exterior Material	Aluminum/Vinyl
Lot Area	9,148 sqft (0.21 acres)
Garage Type	Detached
Garage Area	360 sqft
Parking Spaces	1 Parking Space
Porch	Covered Porch
Porch Area	785 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	0026740
Old Parcel Number	248907402000030590000000
Street Address	19 DEDERER ST
City	TAPPAN
State	NY
Zip	10983-1711
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RG
Legal Description	60/55/471/4
Legal Subdivision	SECTIONS A & B OF SPARKILL ESTATES
Legal Block	3
Legal Lot Number	59.000
Jurisdiction	ROCKLAND NY
Township / Civil Division	ORANGETOWN
Census Block Group	3
Census Block	3006
Census Tract	13402

Owner

19 Dederer St is owned by an individual who bought it in December 2006.

Source: Rockland County and Orangetown Town records, as of February 14, 2024

Owner of Record	Individual Name on File
Co-owner	Co-owner on File
Mailing Address	19 DEDERER ST, TAPPAN, NY 10983-1711
Owner Type	Individual

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	Dec 20, 2006 · Amount on File
Deed Sale	Dec 20, 2006 · Amount on File
Prior Sale	Dec 20, 2006 · Amount on File
Deed Document Number	2006-00067332
Record Updated	Jun 7, 2026

Tax Assessment & Valuation

Source: Rockland County and Orangetown Town assessment roll, as of May 31, 2023

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
2023	$172,700 Land $42,500 Building $130,200	$484,704 Land $119,282 Building $365,422

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 19 Dederer St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
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 19 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