421 Riverleigh Ave, Riverhead, NY 11901 Property Records

Suffolk County and Southampton Town property record for 421 Riverleigh Ave, Riverhead, NY 11901

Property Summary

Property Type	Commercial
Details	1,388 sqft · built 1999
Lot Size	1.08 acres (47,480 sqft)
Owner	Individual Name on Record
Tax Bill	$5,401 (2020)
Flood Zone	Zone X (minimal risk)
APN	`0900-139.00-02.00-076.000`

Property Details

APN / Parcel Number

Primary APN	`0900-139.00-02.00-076.000`
Alternative APNs	`473689 139.000-0002-076.000` `368913900000020760000000` `473600271380`

Interior

Building Area	1,388 sqft Gross Area

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Lot Area	47,480 sqft
View / Lot	Below Average

Exterior Amenities

Patio Area	2,400 sqft
Shed	1 Shed
Shed Area	96 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating Fuel	Gas
Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	421 RIVERLEIGH AVE
City	RIVERHEAD
State	NY
Zip	11901-3616
Property Category	Commercial
Property Type	Commercial > Retail
Local Zoning Code	HB
Legal Description	N-TUTHILL E-RIVERLEIGH AVE S-RISTAU W-TUTHILL
Legal Block	2
Legal Lot Number	76
Jurisdiction	SUFFOLK NY
Township / Civil Division	SOUTHAMPTON
Census Block Group	1
Census Block	1017
Census Tract	190404

Owner

Source: Suffolk County and Southampton Town records, as of August 11, 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 Record
Mailing Address	SPRINGVILLE RD, HAMPTON BAYS, NY 11946
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Suffolk County and Southampton Town assessment roll, as of August 11, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$333,400 (-) Land $333,400
2024			$529,206 (+10.32%) Land $529,206
2023		$333,400 Land $333,400	$479,712 Land $479,712
2020	$5,401.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · 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
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	3 in force

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

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

Wildfire Risk	Low lower than 65% of the US · above 98.4% of New York
Wildfire Likelihood	0.02% 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	CALVERTON HILLS OWNERS ASSOCIATION private · serves 897 people · EPA ID NY5112134
Water Source	Groundwater
Last State Inspection	Mar 2025
Lead	3 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	29 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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 456 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Cable · Fiber in parts of the area	940 / 35
Verizon Fixed Wireless	300 / 20