Unshakable ZIP Data 03857 | Newmarket, NH Housing Market
Newmarket · Rockingham County · Boston-Cambridge-Newton, MA-NH metro · New Hampshire · Data updated June 19, 2026
The median sale price in ZIP 03857, Newmarket, New Hampshire is $544,838 at $302 per square foot. 21 single-family homes sold in the latest period, down 31.4 percent from a year earlier. Homes sit a median of 18 days on market with 3.0 months of supply. Sellers are getting 100.6 percent of list price and 35.0 percent of homes sold above asking.
Balanced market.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $614,301 | |
| Average price per sq ft | $340 | |
| Median sale price | $544,838 | |
| Median sale price per sq ft | $302 | |
| Median home size | 1,807 sq ft | |
| Median new listing price | $628,825 | +9.8% |
| National size rank | 10,045 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 21 | -31.4% |
| Median days on market | 18 days | |
| Months of supply | 3.0 months | |
| New listings | 35 | -6.7% |
| Active listings | 44 | -3.2% |
| Pending sales | 25 | -20.8% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 100.6% | -1.7 pts |
| Share sold above list | 35.0% | -21.7 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
1-bedroom
$283,517
2-bedroom
$409,192
3-bedroom
$607,185
4-bedroom
$740,422
These figures describe the single-family market for Newmarket, New Hampshire ZIP 03857. They are market context, not a substitute for sold comps or a formal appraisal.