360 Riley Ave, Mattituck, NY 11952 Property Records

Suffolk County and Southold Town property record for 360 Riley Ave, Mattituck, NY 11952

Property Summary

Property Type	Single Family Home
Lot Size	0.5 acres (21,780 sqft)
Owner	Company Name on File
Tax Bill	$10,810 (2024)
Deeds & Mortgages	Apr 2023 Sale Jul 2017 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`473889 143.-5-8`

Property Details

APN / Parcel Number

Primary APN	`473889 143.-5-8`
Alternative APNs	`1000-143.00-05.00-008.000` `388914300000050080000000` `47380018003` `14`

Exterior

Lot Area	21,780 sqft (0.5 acres)

Location & Zoning

Account Number	14
Street Address	360 RILEY AVE
City	MATTITUCK
State	NY
Zip	11952-1804
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-40
Legal Description	BOOK 9731 PAGE 00258 BILL 017410
Legal Block	5
Legal Lot Number	8
Jurisdiction	SUFFOLK NY
Township / Civil Division	SOUTHOLD
Census Block Group	1
Census Block	1020
Census Tract	170004

Owner

360 Riley Ave is owned by a company that acquired it in June 2022 and is owner-occupied.

Source: Suffolk County and Southold Town records, as of August 11, 2026

Owner of Record	Company Name on File
Mailing Address	360 RILEY AVE, MATTITUCK, NY 11952-1804
Occupancy	Owner Occupied
Owner Type	Company

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

Date	Document
Apr 4, 2023	Warranty Deed, Transfer
Jul 14, 2017	Deed of Trust, Mortgage · VA Mortgage LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jun 12, 2022
Transfer Doc	0131960060
Record Updated	Sep 20, 2026

April 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	SUFFOLK NY
Recording Date	Apr 4, 2023
Property Address	360 RILEY AVE, MATTITUCK, NY 11952-1804
Document Number	0131960060
Book / Page	13196 / 60
Instrument Date	Jun 12, 2022
Transaction Type	Transfer
Record Updated	Feb 13, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	360 RILEY AVE, MATTITUCK, NY 11952-1804

July 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	360 RILEY AVE, MATTITUCK, NY 11952-1804
Document Number	0228370535
Book / Page	022837 / 000535
Instrument Date	Jul 14, 2017
Transaction Type	Mortgage
Record Updated	Oct 5, 2017
Title Company	CLOSING USA LLC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	360 RILEY AVE MATTITUCK NY 119521804, MATTITUCK, NY 11952-1804

Mortgage

Document Number	0228370535
Date	Jul 28, 2017
Book Page	022837/000535

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	180 Months
Due	Jul 27, 2032

Tax Assessment & Valuation

Source: Suffolk County and Southold Town assessment roll, as of August 11, 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Southold Town
Unified School District	Mattituck-Cutchogue Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$7,900 Land $1,100 Building $6,800	$1,436,364 Land $200,000 Building $1,236,364
2024	$10,810.00
2023		$7,900 (-) Land $1,100 Building $6,800	$13,860 (+22.82%) Land $1,930 Building $11,930
2022	$9,953.00 Homeowner's exemption Disabled Person's exemption Veteran's exemption	$7,900 Land $1,100 Building $6,800	$11,285 Land $1,571 Building $9,714

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

Flood

FEMA maps place 360 Riley Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 102 policies
Nearby Flood Policies	102 in force
Nearby Flood Claims	7 (1994–2024)
Claims Outside the SFHA	2 of 7
Most Recent Claim	Aug 2024 · Severe Storm And Flooding
Claims by Event	Hurricane Sandy, Oct 2012 · 2 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 360 Riley Ave is low, with less than 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 98% of the US · lower than 97.9% of New York
Wildfire Likelihood	Under 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	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526
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, 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 184 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000

May also be available: Verizon.

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