Real Estate Data API

Alton Bay NH

32 active listings out of 2.5K total properties we track across 3 Alton Bay ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
32
Median
$733K
-9.5%
Sold/mo
2
-33.3%
Tracked
2.5K
Zoomed out

While you're here, take in the bigger picture — maps below show New Hampshire (statewide), not just Alton Bay. Same company, same dataset, different resolution.

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Inventory breakdown

Distribution of the 32 currently-active listings in Alton Bay, NH. Full dataset covers 2.5K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 1 (3.1%)
$300K–$500K 3 (9.4%)
$500K–$750K 13 (40.6%)
$750K–$1M 5 (15.6%)
$1M–$2M 4 (12.5%)
$2M+ 6 (18.8%)
Active by bedroom count
Studio/1 bd 1
2 bd 8
3 bd 11
4 bd 9
5+ bd 3
Active by property type
Single Family 30 (93.8%)
Manufactured 1 (3.1%)
Multi Family 1 (3.1%)

ZIP codes in Alton Bay

Drill into any ZIP for hex-level breakdowns.

03810
→
Active
31
Tracked
2.5K
03809
→
Active
1
Tracked
11
03237
→
Active
0
Tracked
1

Nearby cities

Other New Hampshire cities within driving distance.

Gilmanton iw
6.1 mi away
Active: 3
Strafford
6.4 mi away
Active: 20
Wolfeboro
6.8 mi away
Active: 56
New Durham
6.9 mi away
Active: 24
Gilford
7.5 mi away
Active: 78
Gilmanton
8.7 mi away
Active: 15
Center Barnstead
9.7 mi away
Active: 36
Middleton
10.4 mi away
Active: 15
For Developers

Get Alton Bay, NH data in your app

curl
request 
GET https://api.straply.com/v1/markets/city/alton-bay-nh
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "city": "alton-bay-nh",
  "total_tracked": 2523,
  "active": 32,
  "median_list": 733450
}
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Alton Bay, NH real estate: market summary

As of April 2026, Straply tracks 2,523 homes in Alton Bay, NH, with 32 active for sale at a median list price of $733,450 (~$363/sq ft). Notably, the market is cooling — the median sale price is down 10% year over year.

Median list price
$733,450
Median $/sq ft
$363
Active listings
32
Median sale price
$1,335,000 (-10% YoY)
Properties tracked
2,523

Frequently asked: Alton Bay, NH real estate

What is the median home price in Alton Bay?

The median list price in Alton Bay, NH is $733,450 (about $363 per square foot), based on 32 active listings tracked by Straply as of April 2026.

What price range are homes in Alton Bay?

Active listings in Alton Bay, NH concentrate in: 41% $500k–$750k and 19% $2m+.

Are home prices in Alton Bay going up or down?

The median sale price is $1,335,000, down 10% year over year. Straply tracked 56 sales here over the past 12 months.

How many homes are for sale in Alton Bay?

Straply is tracking 32 active listings in Alton Bay, NH out of 2,523 properties on record as of April 2026.

How old are the homes in Alton Bay?

Most homes in Alton Bay, NH were built in the 2000s. About 51% were built after 1980, while 12% predate 1940. The newest tracked home dates to 2025.

What types of homes are in Alton Bay?

Alton Bay, NH is mostly single-family homes (94% of listings).

How many bedrooms do homes in Alton Bay typically have?

The most common size in Alton Bay, NH is 3 bd.

What are the most active ZIP codes in Alton Bay?

The ZIP codes with the most active listings in Alton Bay, NH are 03810, 03809.

What areas are near Alton Bay?

Nearby markets Straply also tracks include Gilmanton iw, Strafford, Wolfeboro, New Durham.

Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.