03857 Newmarket
66 active listings out of 4.3K total properties we track in ZIP 03857 (Newmarket, NH) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Newmarket 03857 property data
4,325 property records for ZIP 03857 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 352 KB Parquet · CSV (728 KB)
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 03857. Same company, same dataset, different resolution.
- Tracked
- 4.3K
- Active
- 66
- Median list
- $543K
- Sales (12mo)
- 126
- Tracked
- 4.3K
- Active
- 66
- Median list
- $543K
- Sales (12mo)
- 126
- Tracked
- 4.3K
- Active
- 66
- Median list
- $543K
- Sales (12mo)
- 126
- Tracked
- 4.3K
- Active
- 66
- Median list
- $543K
- Sales (12mo)
- 126
- Tracked
- 4.3K
- Active
- 66
- Median list
- $543K
- Sales (12mo)
- 126
Inventory breakdown
Distribution of the 66 currently-active listings in ZIP 03857. Full dataset covers 4.3K properties — listings, off-market homes, rentals, and full history.
Get Newmarket 03857 data in your app
GET https://api.straply.com/v1/markets/zip/03857
Authorization: Bearer $STRAPLY_KEY{
"zip": "03857",
"total_tracked": 4340,
"active": 66,
"median_list": 542900
}Nearby ZIP codes
Other New Hampshire ZIPs within a short drive of 03857.
ZIP 03857 · Newmarket, NH real estate: market summary
As of November 2026, Straply tracks 4,340 homes in ZIP 03857 (Newmarket, NH), with 66 active for sale at a median list price of $542,900 (~$327/sq ft). Notably, most homes were built in the 1980s.
- Median list price
- $542,900
- Median $/sq ft
- $327
- Active listings
- 66
- Median sale price
- $625,000 (-6% YoY)
- Properties tracked
- 4,340
Frequently asked: ZIP 03857 · Newmarket, NH real estate
What is the median home price in ZIP 03857?
The median list price in ZIP 03857 (Newmarket, NH) is $542,900 (about $327 per square foot), based on 66 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 03857?
Active listings in ZIP 03857 (Newmarket, NH) concentrate in: 36% $300k–$500k and 25% $750k–$1m.
Are home prices in ZIP 03857 going up or down?
The median sale price is $625,000, down 6% year over year. Straply tracked 126 sales here over the past 12 months.
How many homes are for sale in ZIP 03857?
Straply is tracking 66 active listings in ZIP 03857 (Newmarket, NH) out of 4,340 properties on record as of November 2026.
How old are the homes in ZIP 03857?
Most homes in ZIP 03857 (Newmarket, NH) were built in the 1980s. About 70% were built after 1980, while 16% predate 1940. The newest tracked home dates to 2026.
What types of homes are in ZIP 03857?
ZIP 03857 (Newmarket, NH) is mostly single-family homes (42% of listings). Also common: condos 30%, multi-family homes 14%.
How many bedrooms do homes in ZIP 03857 typically have?
The most common size in ZIP 03857 (Newmarket, NH) is 3 bd.
What areas are near ZIP 03857?
Nearby markets Straply also tracks include Newfields 03856, Durham 03824, Lee 03861, Stratham 03885.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.