Data as of June 2026. Source: Realtor.com.
The NEW CASTLE, NH real estate market (03854) currently shows 7 active listings, with 2 pending sales. Homes are averaging 27 days on the market before going under contract.
Inventory has tightened compared to last year, with 2 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 27 days on market compared to 40 days last year.
The median listing price has risen 10.6% year-over-year, from $2,622,500 to $2,900,000.
Whether you are buying or selling in NEW CASTLE, NH, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 904 · Density: 431.7/mi² · Median household income: $164,167
Typical home value: $1,486,630 · Homeownership: 92.1%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 03854 | New Castle, NH 03854 | 0.0 mi | 3 | $6,074,250 | $2,024,750 | $2,024,750 |
| 03904 | Kittery, ME 03904 | 3.1 mi | 20 | $30,371,660 | $959,225 | $1,518,583 |
| 03801 | Portsmouth, NH 03801 | 4.3 mi | 98 | $114,806,118 | $826,000 | $1,171,491 |
| 03903 | Eliot, ME 03903 | 6.6 mi | 8 | $11,260,536 | $1,308,000 | $1,407,567 |
| 03909 | York, ME 03909 | 7.3 mi | 46 | $74,724,102 | $970,000 | $1,624,437 |
| 03885 | Stratham, NH 03885 | 9.7 mi | 18 | $23,230,422 | $1,336,250 | $1,290,579 |
| 03824 | Durham, NH 03824 | 10.7 mi | 4 | $2,076,000 | $519,000 | $519,000 |
| 03857 | Newmarket, NH 03857 | 11.7 mi | 16 | $9,492,640 | $619,900 | $593,290 |
| 03908 | South Berwick, ME 03908 | 12.0 mi | 5 | $8,244,585 | $532,000 | $1,648,917 |
| 03856 | Newfields, NH 03856 | 12.6 mi | 6 | $6,524,700 | $1,199,925 | $1,087,450 |
| 03823 | Madbury, NH 03823 | 13.5 mi | 2 | $1,850,000 | $925,000 | $925,000 |
| 03874 | Seabrook, NH 03874 | 14.3 mi | 10 | $9,968,170 | $712,400 | $996,817 |
| 03833 | Exeter, NH 03833 | 15.0 mi | 78 | $79,054,404 | $824,975 | $1,013,518 |
As of June 2026, there are 7 active listings in NEW CASTLE, NH (zip code 03854), compared to 9 the prior year.
The median listing price in NEW CASTLE, NH 03854 is $2,900,000 as of June 2026, a 10.6% increase from $2,622,500 the prior year.
Homes in NEW CASTLE, NH 03854 spend an average of 27 days on the market before going under contract, compared to 40 days the prior year.
Based on current inventory and days-on-market data as of June 2026, NEW CASTLE, NH 03854 is currently a Seller's Market. Inventory has tightened compared to last year, with 2 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 27 days on market compared to 40 days last year.
With SELL123.com's maximum 3% commission, sellers in NEW CASTLE, NH 03854 save an estimated $58,000 compared to a typical 5% commission on the median listing price of $2,900,000. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.