48 Dederer St, Tappan, NY 10983 Property Records

Rockland County and Orangetown Town property record for 48 Dederer St, Tappan, NY 10983

Property Summary

Property Type	Single Family Home
Details	4 bd · 1 ba · 1,255 sqft · built 1943
Lot Size	0.25 acres (10,890 sqft)
Owner	Individual Name on File
Last Sale	$340,000 (Aug 2002)
Tax Bill	$9,859 (2024)
Deeds & Mortgages	May 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`392489 77.08-4-1`

Property Details

APN / Parcel Number

Primary APN	`392489 77.08-4-1`
Alternative APNs	`392489-077-008-0004-001-000-000` `248907700800040010000000` `392489 77.8-4-1` `0026868`

Interior

Bedrooms	4 Beds
Full Baths	1 Bath
Stories	1 Story
Building Area	1,255 sqft Living Area
Gross Area	1,298 sqft
1st Floor Area	733 sqft
Upper Floors Area	522 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1943
Effective Year Built	Effective 1943
Architectural Style	Old Style
Exterior Material	Composition
Lot Area	10,890 sqft (0.25 acres)
Porch	Covered Porch
Porch Area	61 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	0026868
Street Address	48 DEDERER ST
City	TAPPAN
State	NY
Zip	10983-1712
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RG
Legal Description	60/55/474/5
Legal Subdivision	MAP OF SECTIONS A & B SPARKILL ESTATES
Legal Block	4
Legal Lot Number	1.0
Jurisdiction	ROCKLAND NY
Township / Civil Division	ORANGETOWN
Census Block Group	3
Census Block	3005
Census Tract	13402

Owner

48 Dederer St is owned and occupied by an individual who acquired it in May 2023.

Source: Rockland County and Orangetown Town records, as of October 19, 2026

Owner of Record	Individual Name on File
Mailing Address	48 DEDERER ST, TAPPAN, NY 10983-1712
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

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	Name on Deed
Last Sale	Aug 21, 2002 · Amount on File
Deed Sale	Aug 21, 2002 · Amount on File
Prior Sale	Jan 5, 2000 · Amount on File
Deed Document Number	200250312
Last Transfer Date	May 26, 2023
Transfer Doc	0000016403
Record Updated	Oct 29, 2026

May 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ROCKLAND NY
Recording Date	May 26, 2023
Property Address	48 DEDERER ST, TAPPAN, NY 10983-1712
Document Number	0000016403
Map Reference	BK 20 PG 327
Instrument Date	May 26, 2023
Instrument	2023-00016403
Transaction Type	Transfer
Record Updated	Jun 28, 2023
Title Company	JUDICIAL TITLE

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	48 DEDERER ST, TAPPAN, NY 10983-1712

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	48 DEDERER ST, TAPPAN, NY 10983-1712

Tax Assessment & Valuation

Source: Rockland County and Orangetown Town assessment roll, as of May 16, 2025

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	Tax Bill	Assessed Value	Assessed Market Value
2024	$9,859.00	$125,300 (-) Land $45,200 Building $80,100	$367,018 (+4.36%)
2023		$125,300 (-) Land $45,200 Building $80,100	$351,670 (+5.19%) Land $126,859 Building $224,811
2022		$125,300 Land $45,200 Building $80,100	$334,312 Land $120,598 Building $213,714

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 48 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 48 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