Alton NH
178 active listings out of 3.6K total properties we track across 10 Alton ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Alton, NH property data
725,483 property records for all of New Hampshire — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Files are published by ZIP, county and state; this city is inside the state file.
Monthly snapshot · 58.9 MB Parquet · CSV (125.7 MB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show New Hampshire (statewide), not just Alton. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 178 currently-active listings in Alton, NH. Full dataset covers 3.6K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Alton
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other New Hampshire cities within driving distance.
Get Alton, NH data in your app
GET https://api.straply.com/v1/markets/city/alton-nh
Authorization: Bearer $STRAPLY_KEY{
"city": "alton-nh",
"total_tracked": 3605,
"active": 178,
"median_list": 359900
}Alton, NH real estate: market summary
As of November 2026, Straply tracks 3,605 homes in Alton, NH, with 178 active for sale at a median list price of $359,900 (~$283/sq ft). Notably, most homes were built in the 2000s.
- Median list price
- $359,900
- Median $/sq ft
- $283
- Active listings
- 178
- Median sale price
- $515,000
- Properties tracked
- 3,605
Frequently asked: Alton, NH real estate
What is the median home price in Alton?
The median list price in Alton, NH is $359,900 (about $283 per square foot), based on 178 active listings tracked by Straply as of November 2026.
What price range are homes in Alton?
Active listings in Alton, NH concentrate in: 46% under $300k and 17% $300k–$500k.
How many homes are for sale in Alton?
Straply is tracking 178 active listings in Alton, NH out of 3,605 properties on record as of November 2026.
How old are the homes in Alton?
Most homes in Alton, NH were built in the 2000s. About 64% were built after 1980, while 14% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Alton?
Alton, NH is mostly single-family homes (53% of listings). Also common: lots / land 29%, other 11%.
How many bedrooms do homes in Alton typically have?
The most common size in Alton, NH is 3 bd.
What are the most active ZIP codes in Alton?
The ZIP codes with the most active listings in Alton, NH are 03809, 03598, 03810, 08309.
What areas are near Alton?
Nearby markets Straply also tracks include Tuftonboro, Moultonborough, Moultonboro, Strafford.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.