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MD area data

Cobb island, MD

Cobb island, MD.

Population: 849 (Census ACS)

The median home value in Cobb island, MD is $374,207 — up 2.3% over the past year. Homes sell for a median $292,500 after a median 84.5 days on market. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with drought, heatwave, lightning the top-rated hazards. Cost of living is 8.0% above the US average (BEA, metro/state-level).

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

$374,207

Median home value

+2.3%

1-year change

84.5

Median days on market

Relatively Low

Hazard risk (county)

Home values & appreciation

Median home value
$374,207
1-year appreciation
+2.3%
3-year appreciation
+7.0%
5-year appreciation
+19.4%
10-year appreciation
+56.3%
All-time peak (2026-04)
$374,681
House Price Index (state)
367.5 (+0.7% YoY)

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

Market activity

Median sale price
$292,500
Median list price
$842,500
Median price per sqft
$260
1-year sale-price change
-30.3%
Median days on market
84.5 days
Homes sold (recent period)
2
For-sale inventory
4
Sale-to-list ratio
90.2%
Active listings
5
1-year forecast
-0.1%

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

Rents

Studio fair-market rent
$1,800/mo
1BR fair-market rent
$1,920/mo
2BR fair-market rent
$2,130/mo
3BR fair-market rent
$2,680/mo
4BR fair-market rent
$3,210/mo

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

Affordability

Cost of living index (Above Average)
108.0 (100 = US avg)
Electricity rate (state-level)
19.5¢/kWh
Natural gas rate (state-level)
$16.10/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)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Low
Top hazards (county)
drought, heatWave, lightning, strongWind, winterWeather
Notable hazard ratings (county)
coastalFlooding: Relatively Low · drought: Relatively Moderate · earthquake: Relatively Low · hail: Relatively Low · heatWave: Relatively Moderate · hurricane: Relatively Low
FEMA flood zone
A04
Flood risk level
High
Wildfire risk to homes (county)
Higher than 31% of US counties
Buildings in wildfire direct-exposure zone
64.5%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Naval Surface Warfare - Dahlgren (10.7 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
61.0°F
Average high
68.0°F
Average low
53.0°F
Annual precipitation
40.8 in
Annual snowfall
1.0 in
USDA plant hardiness zone
8a (extreme annual low 10 to 15°F)

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

Air quality

Air quality rating
Good
Median AQI (annual)
42
Days with Good air quality
199
Days with Moderate air quality
42
Highest AQI recorded (year)
115

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

Walkability & transit

Walkability index
6.7 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
362
Jobs reachable by transit (45 min)
870

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
53
Nearest national park
George Washington Birthplace National Monument (6 mi)
National parks include
George Washington Birthplace National Monument, Thomas Stone National Historic Site, Piscataway Park
Airports within 30 mi
45
Nearest airport
Squier Landing Airport (2 mi)
Nearest major airport
Patuxent River Naval Air Station (Trapnell Field) (NHK) (24 mi)
Hospitals nearby (~15 mi)
1
Hospitals include
MEDSTAR SAINT MARY'S HOSPITAL
Avg hospital rating (CMS)
4.0 / 5
Best hospital rating nearby (CMS)
4.0 / 5
Solar radiation rating
Fair (4.2 kWh/m²/day)

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

Migration

Net migration (county)
+324 tax filers

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

Housing stock

Median year housing built
1,938
Housing built before 1970
59.8%
Housing built 2000 or later
21.0%
Median annual property tax
$3,454
Households with broadband internet
100.0%

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

Employment & development

Total county employment
29,859
Average weekly wage
$970
Top industries (by employment)
Accommodation & Food, Health Care, Construction
Annual residential building permits (county)
1,026

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

How it compares

Cobb islandState medianUS median
Median home value$374,207$452,533$289,727
Median sale price$292,500$450,000$325,000
Median days on market85 days40 days51 days
Median annual property tax$3,454$3,862$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 Cobb island, MD?
$374,207.
What is the median sale price in Cobb island, MD?
$292,500.
How long do homes take to sell in Cobb island, MD?
Median days on market: 84.5 days.
What is typical rent in Cobb island, MD?
2-bedroom fair-market rent: $2,130/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Cobb island, MD?
Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: drought, heatWave, lightning, strongWind, winterWeather.
Is Cobb island, MD in a flood zone?
High (FEMA NFIP). FEMA flood zone A04.
What is the wildfire risk in Cobb island, MD?
Risk to homes is higher than 31% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Cobb island, MD?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Cobb island, MD?
No current or proposed National Priorities List sites within 5 miles (EPA).
Is Cobb island, MD walkable?
Walkability index: 6.7/20 (EPA Smart Location Database).
What is the air quality in Cobb island, MD?
Good. Median AQI: 42. (EPA AQI).
What is the cost of living in Cobb island, MD?
Regional Price Parity: 108.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

ZIP code for Cobb island

Selling a home in Cobb island, MD?

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Data last updated

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

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