148 Sylvan Ave, Riverhead, NY 11901 Property Records

Suffolk County and Southampton Town property record for 148 Sylvan Ave, Riverhead, NY 11901

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,148 sqft · built 1989
Lot Size	0.26 acres (11,326 sqft)
Owner	Individual Name on File
Last Sale	$234,000 (Jul 2010)
Tax Bill	$4,267 (2024)
Flood Zone	Zone X (moderate risk)
APN	`0900-123.00-01.00-051.000`

Property Details

APN / Parcel Number

Primary APN	`0900-123.00-01.00-051.000`
Alternative APNs	`473689 123.000-0001-051.000` `368912300000010510000000` `473600252840`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Stories	1 Story
Building Area	1,148 sqft Living Area
1st Floor Area	1,148 sqft

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1994
Architectural Style	Mobile Home
Exterior Material	Aluminum/Vinyl
Foundation Type	No Foundation
Lot Area	11,326 sqft (0.26 acres)
View / Lot	Below Average
Porch	Porch
Porch Area	288 sqft
Shed	1 Shed

Utilities, Heating & Cooling

Heating System	HVAC
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Street Address	148 SYLVAN AVE
City	RIVERHEAD
State	NY
Zip	11901-4326
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	BLK LOT 107-110
Legal Subdivision	BAY VIEW ACRES
Legal Block	1
Legal Lot Number	51
Jurisdiction	SUFFOLK NY
Township / Civil Division	SOUTHAMPTON
Census Block Group	2
Census Block	2011
Census Tract	190405

Owner

Source: Suffolk County and Southampton Town records · APN 0900-123.00-01.00-051.000

Assessment roll updated August 11, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	77 PARK AVE, WILLISTON PARK, NY 11596-1629
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 21, 2010 · Amount on Record
Deed Sale	Jul 21, 2010 · Amount on Record
Prior Sale	May 17, 2002 · Amount on Record
Deed Book / Page	12631 / 902
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Suffolk County and Southampton Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Southampton Town
Unified School District	Riverhead Central School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$250,500 (-) Land $132,000 Building $118,500	$397,619 (-) Land $209,524 Building $188,095
2024	$4,267.00 (+3.02%)		$397,619 (+10.32%) Land $209,524 Building $188,095
2023		$250,500 Land $132,000 Building $118,500	$360,432 Land $189,928 Building $170,504
2020	$4,142.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 70 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	70 in force
Nearby Flood Claims	11 (1992–2018)
Claims Outside the SFHA	1 of 11
Most Recent Claim	Mar 2018 · other causes
Claims by Event	Hurricane Sandy, Oct 2012 · 6 claims Severe Storms And Flooding, Mar 2010 · 2 claims

Wildfire

Wildfire Risk	Low lower than 80% of the US · above 54% of New York
Wildfire Likelihood	0.02% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 204 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people
Water Source	Groundwater
Last State Inspection	Jan 2024
Lead	1 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	Asbestos resolved · Jul 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.