Skip to main content

Area data

Alton Bay, NH — ZIP 03810

Population: 2,314 (Census ACS)

The typical home value in ZIP 03810 (Alton Bay, NH) is $690,740 — up 1.5% over the past year. Homes sell for a median $672,500 after a median 49 days on market. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with ice storm, lightning, winter weather the top-rated hazards. Cost of living is 4.2% above the US average (BEA, metro/state-level).

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

$690,740

Typical home value

+1.5%

1-year change

49

Median days on market

Relatively Low

Hazard risk (county)

Home values & appreciation

Typical home value
$690,740
1-year appreciation
+1.5%
3-year appreciation
+8.0%
5-year appreciation
+36.4%
10-year appreciation
+131.5%
Peak value since 2000 (Nov 2024)
$694,747
House Price Index (state)
492.1 (+3.1% YoY)

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

Market activity

Median sale price
$672,500
Median list price
$797,000
Median price per sqft
$414
1-year sale-price change
-15.1%
Median days on market
49 days
Homes sold (recent period)
22
For-sale inventory
30
Sale-to-list ratio
98.2%
Active listings
36
1-year forecast
+2.7%
New listings (monthly)
13

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

Rents

Studio fair-market rent
$1,117/mo
1BR fair-market rent
$1,283/mo
2BR fair-market rent
$1,620/mo
3BR fair-market rent
$2,136/mo
4BR fair-market rent
$2,409/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)
104.2 (100 = US avg)
Electricity rate (state-level)
24.6¢/kWh
Natural gas rate (state-level)
$18.60/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

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)
ice storm, lightning, winter weather
Notable hazard ratings (county)
ice storm: Relatively High · lightning: Relatively High · winter weather: Relatively Moderate · drought: Relatively Low · tornado: Relatively Low · cold wave: Relatively Low
Most common flood zone among NFIP claims
Zone AE
NFIP flood claims on record
2
Wildfire risk to homes (county)
Higher than 10% of US counties
Buildings in wildfire direct-exposure zone
72.8%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Collins & Aikman Plant (Former) (15.3 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.
EPA recommends radon testing for every home regardless of zone.

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

Climate (30-year normals)

Average annual temperature
47.0°F
Average high
58.0°F
Average low
36.0°F
Annual precipitation
42.0 in
Annual snowfall
67.7 in
USDA plant hardiness zone
5b (extreme annual low -15 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)
32
Days with Good air quality
324
Days with Moderate air quality
41
Highest AQI recorded (year)
92

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
5.8 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
670
Jobs reachable by transit (45 min)
1,391

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
2
Nearest national park
Saint-Gaudens National Historical Park (54 mi)
National parks include
Saint-Gaudens National Historical Park, Lowell National Historical Park
Airports within 30 mi
24
Nearest airport
Laconia Municipal Airport (LCI) (8 mi)
Nearest major airport
Concord Municipal Airport (CON) (24 mi)
Hospitals in or near this ZIP
18
Hospitals include
YORK HOSPITAL, BRIDGTON HOSPITAL, CONCORD HOSPITAL
Avg hospital rating (CMS)
3.4 / 5
Best hospital rating nearby (CMS)
4.0 / 5
Solar radiation rating
Fair (3.7 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
+345 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1972
Housing built before 1970
47.4%
Housing built 2000 or later
18.6%
Median annual property tax
$6,213
Mean commute to work
26 min
Households with broadband internet
89.8%

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

Employment & development

Total county employment
21,857
Average weekly wage
$1,099
Top industries (by employment)
Accommodation & Food, Health Care, Administrative Services
Annual residential building permits (county)
423

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

How it compares

ZIP 03810State medianUS median
Typical home value$690,740$479,862$288,527
Median sale price$672,500$510,000$325,000
Median days on market49 days50 days51 days
Median annual property tax$6,213$5,920$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 typical home value in ZIP 03810?
$690,740.
What is the median sale price in ZIP 03810?
$672,500.
How long do homes take to sell in ZIP 03810?
Median days on market: 49 days.
What is typical rent in ZIP 03810?
2-bedroom fair-market rent: $1,620/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in ZIP 03810?
Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: ice storm, lightning, winter weather.
Is ZIP 03810 in a flood zone?
Flood zones vary by property within ZIP 03810. 2 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is AE. Check a specific address on the FEMA Flood Map Service Center.
What is the wildfire risk in ZIP 03810?
Risk to homes is higher than 10% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 03810?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 03810?
No current or proposed National Priorities List sites within 5 miles (EPA).
Is ZIP 03810 walkable?
Walkability index: 5.8/20 (EPA Smart Location Database).
What is the air quality in ZIP 03810?
Good. Median AQI: 32. (EPA AQI).
What is the cost of living in ZIP 03810?
Regional Price Parity: 104.2 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

Listing a home in Alton Bay, NH?

REAIGENT7 gives every listing its own AI assistant grounded in this same public data — it answers buyer and renter 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: Oct 2026. See all data sources →

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