Michael Bean
Executive Partner
Rockingham County, New Hampshire
New Castle
New Hampshire
Find homes for sale in New Castle and talk with a local Bean Group agent when you're ready.
Homes for sale in New Castle
Orientation
New Castle at a glance
Where New Castle sits and how it's laid out — the things most people want to know first.
Location & government
- Municipal type
- Town
- County
- Rockingham County
- Local market
- Portsmouth & the Beaches
- New Hampshire region
- The Seacoast
Community profile
- Land area
- 0.8 sq mi
- Population
- 827
- People per square mile
- 1,033.8
Population and geography: U.S. Census Bureau, 2020 Census. QuickFacts
Property taxes
New Castle property tax rate
New Castle’s 2025 nominal tax rate is $5.73 per $1,000 of assessed value. The New Hampshire Department of Revenue Administration has not published an equalization ratio for New Castle for 2025, so no equalized rate is shown — we do not estimate one.
Municipal
$3.22 per $1,000
County
$0.82 per $1,000
State education
$1.53 per $1,000
Local education
$0.16 per $1,000
The four components add to the $5.73 per $1,000 total rate. Rates set by the New Hampshire Department of Revenue Administration for 2025; source data.
What that costs depends on the town’s assessed value for the specific property, which is not the purchase price — New Castle assesses at a ratio the DRA has not published for this year. Work the bill out from your assessment with the property tax calculator, or read the New Hampshire property tax guide.
Housing
Housing around New Castle
ZIP-area estimates for the area around New Castle. Background context, not a valuation and not current listing data.
- Median home value
- $1,684,719
- Median gross rent
- $3,501/mo
- Housing units
- 401
- Owner-occupied
- 93%
- Average commute
- 32.6 min
Where New Castle sits
Straight-line distances
Straight-line distances from the town centre; actual travel varies.
- Portsmouth, NH
- 2.3 mi
- Manchester, NH
- 38 mi
- Boston, MA
- 52 mi
- Nearest passenger rail — Durham–UNH, NH
- 12 mi
Durham–UNH, NH is served by Amtrak Downeaster. Check current schedules with the operator.
Sold comparables
Recently sold in New Castle
Closed sales are the clearest read on what buyers are actually paying in New Castle.
Local expertise
Bean Group agents in New Castle
Julie Bean
Executive Partner
David Lippmeier
Bean Group Agent
Darlene Ellis
Bean Group Agent
Susan Guerra
Bean Group Agent
Thomas Bonenfant
Bean Group Agent
Laura Scaccia
Bean Group Agent
Andrew Werry
Bean Group Agent
Lee Ann Parks
Bean Group Agent
Zachary Hill
Bean Group Agent
Barbara Dunkle
Bean Group Agent
William Riffert
Bean Group Agent
Barry Pellatt
Bean Group Agent
Griffin Guerra
Bean Group Agent
Helen Tremblay
Bean Group Agent
Gino Paoletti
Bean Group Agent
Maureen Sickel
Bean Group Agent
Nicole Foster
Bean Group Agent
Anne Honkonen
Bean Group Agent
Jane Wright
Bean Group Agent
Proximity
Nearby municipalities
Listed by straight-line distance from New Castle.
FAQ
New Castle real estate questions
Where is New Castle, New Hampshire?
New Castle is an incorporated town in Rockingham County, New Hampshire, in the Seacoast. Recorded land area is 0.8 square miles.
How far is New Castle from other New Hampshire and New England reference points?
Straight-line orientation distances from the town centre: Portsmouth, NH 2.3 mi, Manchester, NH 38 mi, Boston, MA 52 mi. Nearest passenger rail station: Durham–UNH, NH, 12 mi. These are straight-line estimates, not road distances and not drive times.
What housing estimates are available for the New Castle area?
For the ZIP area around New Castle: median home value $1,684,719, median gross rent $3,501 per month. ZIP-area estimate — background context, not a current sale price and not a valuation.
How many people live in New Castle?
New Castle has a population of about 827 and roughly 1,033.8 people per square mile.
Which municipalities are near New Castle?
By straight-line distance, the nearest incorporated municipalities are Portsmouth (2.3 mi), Rye (4.9 mi), Newington (6.2 mi), Greenland (6.4 mi), North Hampton (8.7 mi). Proximity order is geographic only and does not imply shared borders or any ranking.
Get in touch
Thinking about buying or selling in New Castle?
Send a note and a Bean Group agent will follow up about buying or selling in New Castle.