4 Dexter St, Mastic, NY 11950 Property Records

Suffolk County and Brookhaven Town property record for 4 Dexter St, Mastic, NY 11950

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,209 sqft · built 1975
Lot Size	0.2 acres (8,712 sqft)
Owner	2 Individual Names on Record
Tax Bill	$9,181 (2024)
Flood Zone	Zone X (minimal risk)
APN	`0200-673.00-05.00-021.001`

Property Details

APN / Parcel Number

Primary APN	`0200-673.00-05.00-021.001`
Alternative APNs	`472289 673.00-05-021.001` `228967300000050210010000` `00005307241` `0005307241` `5307241`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,209 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1975
Exterior Material	Aluminum/Vinyl
Lot Area	8,712 sqft (0.2 acres)
View / Lot	Waterfront

Utilities, Heating & Cooling

Heating System	Radiant

Location & Zoning

Account Number	5307241
Street Address	4 DEXTER ST
City	MASTIC
State	NY
Zip	11950-1508
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SHIRLEY L I 2940 UNIT T E 72 FT 29
Legal Block	3000
Legal Lot Number	500
Jurisdiction	SUFFOLK NY
Township / Civil Division	BROOKHAVEN
Census Block Group	2
Census Block	2014
Census Tract	159411

Owner

Source: Suffolk County and Brookhaven 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	2 Individual Names on Record
Mailing Address	4 DEXTER ST, MASTIC, NY 11950-1508
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Sep 20, 2026

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	Eastport-South Manor Central School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$2,730 (-) Land $150 Building $2,580	$568,750 (+11,149.01%) Land $28,302 Building $486,792
2024	$9,181.00
2023		$2,730 Land $150 Building $2,580	$5,056 Land $278 Building $4,778

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
Nearby Flood Policies	1 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 66% of the US · above 98.2% of New York
Wildfire Likelihood	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 352 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