Skip to main content

NY area data

Stony brook, NY

Aggregated across 2 ZIP codes in Stony brook.

Population: 21,905 (Census ACS)

The median home value in Stony brook, NY is $797,463 — up 8.6% over the past year. Homes sell for a median $810,000 after a median 17 days on market. Typical rent runs $4,983/month. 2 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with coastalflooding, icestorm, lightning the top-rated hazards. Cost of living is 11.7% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$797,463

Median home value

+8.6%

1-year change

17

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$797,463
1-year appreciation
+8.6%
3-year appreciation
+17.2%
5-year appreciation
+32.6%
10-year appreciation
+73.8%
All-time peak (2026-07)
$797,463
House Price Index (state)
420.6 (+5.3% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$810,000
Median list price
$799,000
Median price per sqft
$374
1-year sale-price change
+10.1%
Median days on market
17 days
Homes sold (recent period)
31
For-sale inventory
40
Sale-to-list ratio
101.0%
Active listings
19
1-year forecast
+2.6%
New listings (monthly)
21

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$4,983/mo
Studio fair-market rent
$1,102/mo
1BR fair-market rent
$1,377/mo
2BR fair-market rent
$1,681/mo
3BR fair-market rent
$2,185/mo
4BR fair-market rent
$2,521/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (High)
111.7 (100 = US avg)
Electricity rate (state-level)
26.4¢/kWh
Natural gas rate (state-level)
$17.60/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
2
Elementary schools
1
Middle schools
1
High schools
0
Schools include
ROBERT CUSHMAN MURPHY JUNIOR HIGH SCHOOL, WILLIAM SIDNEY MOUNT ELEMENTARY SCHOOL

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
coastalFlooding, iceStorm, lightning, winterWeather, coldWave
Notable hazard ratings (county)
coastalFlooding: Very High · coldWave: Relatively High · earthquake: Relatively Moderate · hail: Relatively Low · heatWave: Relatively Moderate · hurricane: Relatively High
FEMA flood zone (varies by location)
includes X
Flood risk level
Minimal
Wildfire risk to homes (county)
Higher than 35% of US counties
Buildings in wildfire direct-exposure zone
31.3%
Radon potential (county)
Low radon potential — EPA Zone 3 of 3
EPA Superfund (NPL) sites within 5 mi
1
Nearest Superfund site
Lawrence Aviation Industries, Inc. (3.4 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
54.5°F
Average high
62.5°F
Average low
46.5°F
Annual precipitation
51.5 in
Annual snowfall
9.9 in
USDA plant hardiness zone
7b (extreme annual low 5 to 10°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
40
Days with Good air quality
285
Days with Moderate air quality
72
Days with Unhealthy air quality
1
Highest AQI recorded (year)
164

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
1.8 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
71,132
Jobs reachable by transit (45 min)
81,424

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
22
Nearest national park
Fire Island National Seashore (16 mi)
National parks include
Fire Island National Seashore, Sagamore Hill National Historic Site, Weir Farm National Historical Park
Airports within 30 mi
25
Nearest airport
Talmage Field (5 mi)
Nearest major airport
Long Island MacArthur Airport (ISP) (8 mi)
Hospitals nearby (~15 mi)
7
Hospitals include
NS/LIJ HS SOUTHSIDE HOSPITAL, NS/LIJ HS HUNTINGTON HOSPITAL, LONG ISLAND COMMUNITY HOSPITAL
Avg hospital rating (CMS)
3.8 / 5
Best hospital rating nearby (CMS)
4.5 / 5
EV charging stations (within 10 mi)
73
Solar radiation rating
Fair (4.0 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-5,821 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,965
Housing built before 1970
70.8%
Housing built 2000 or later
4.0%
Median annual property tax
$10,001
Mean commute to work
17 min
Households with broadband internet
83.5%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
559,257
Average weekly wage
$1,369
Top industries (by employment)
Health Care, Accommodation & Food, Construction
Annual residential building permits (county)
838

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

Stony brookState medianUS median
Median home value$797,463$332,036$289,727
Median sale price$810,000$363,950$325,000
Median days on market17 days55 days51 days
Typical rent$4,983/mo$2,708/mo$1,808/mo
Median annual property tax$10,001$4,500$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in Stony brook, NY?
$797,463.
What is the median sale price in Stony brook, NY?
$810,000.
How long do homes take to sell in Stony brook, NY?
Median days on market: 17 days.
What is typical rent in Stony brook, NY?
Typical rent: $4,983/month.
What is the natural-hazard risk in Stony brook, NY?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastalFlooding, iceStorm, lightning, winterWeather, coldWave.
Is Stony brook, NY in a flood zone?
Minimal (FEMA NFIP). Parts of the area include FEMA flood zone X; zones vary by location within the city.
What is the wildfire risk in Stony brook, NY?
Risk to homes is higher than 35% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Stony brook, NY?
Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Stony brook, NY?
1 current or proposed National Priorities List site within 5 miles (EPA). Nearest site: Lawrence Aviation Industries, Inc., 3.4 mi.
How many schools serve Stony brook, NY?
2 schools (1 elementary, 1 middle) (NCES, 2022-23).
Is Stony brook, NY walkable?
Walkability index: 1.8/20 (EPA Smart Location Database).
What is the air quality in Stony brook, NY?
Good. Median AQI: 40. (EPA AQI).
What is the cost of living in Stony brook, NY?
Regional Price Parity: 111.7 (100 = US average) (High) (BEA RPP, metro/state-level).

ZIP codes in Stony brook

Selling a home in Stony brook, NY?

REAIGENT7 gives every listing its own AI assistant grounded in this same public data — it answers buyer questions about the home and the area, around the clock, and sends every lead to the listing agent. Agents: it installs on your listing page, your website, or WordPress.

Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents