313 Jefferson Dr, Mastic Beach, NY 11951 Property Records

Suffolk County and Brookhaven Town property record for 313 Jefferson Dr, Mastic Beach, NY 11951

Property Summary

Property Type	Single Family Home
Lot Size	0.23 acres (10,019 sqft)
Owner	2 Individual Names on File
Last Sale	$530,000 (Dec 2025)
Tax Bill	$6,396 (2024)
Deeds & Mortgages	Dec 2025 Sale
Flood Zone	Zone X (minimal risk)
APN	`0200-976.90-11.00-036.000`

Property Details

APN / Parcel Number

Primary APN	`0200-976.90-11.00-036.000`
Alternative APNs	`472289 976.90-11-036.000` `0209016000100036000` `00004723950` `4723950`

Exterior

Lot Area	10,019 sqft (0.23 acres)
View / Lot	Waterfront

Location & Zoning

Account Number	4723950
Street Address	313 JEFFERSON DR
City	MASTIC BEACH
State	NY
Zip	11951-2511
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Block	6901
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	BROOKHAVEN
Census Block Group	1
Census Block	1000
Census Tract	159516

Owner

313 Jefferson Dr is owned and occupied by two individuals who bought it in December 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	313 JEFFERSON DR, MASTIC BEACH, NY 11951-2511
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants with Right of Survivorship

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 30, 2025 · Amount on File
Deed Sale	Dec 30, 2025 · Amount on File
Deed Book / Page	13321 / 177
Record Updated	Sep 20, 2026

December 2025: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Dec 30, 2025
Property Address	313 JEFFERSON DR, MASTIC BEACH, NY 11951-2511
Document Number	0133210177
Book / Page	13321 / 177
Instrument Date	Oct 22, 2025
Transaction Type	Transfer
Record Updated	Feb 11, 2026

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	313 JEFFERSON DR, MASTIC BEACH, NY 11951-2511

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Brookhaven Town
Unified School District	William Floyd Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$1,750 (-) Land $200 Building $1,550	$364,584 (+12.5%) Land $37,736 Building $292,453
2024	$6,396.00 Homeowner's exemption	$1,750 (-) Land $200 Building $1,550	$324,074 (+9,902.28%) Land $37,037 Building $287,037
2023		$1,750 Land $200 Building $1,550	$3,240 Land $370 Building $2,870

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 313 Jefferson Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2010.

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
Flood Insurance Cost	Premium on File median of 14 policies
Nearby Flood Policies	14 in force
Nearby Flood Claims	1 (2010)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Mar 2010 · Severe Storms And Flooding

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 313 Jefferson Dr 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 99.8% of the US · lower than 99.9% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 482 locations within half a mile, as of December 31, 2025

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