1 Bedroom Apartments for Rent in New Castle, NH (69 Rentals)

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Genius Ideas and Studio Layout Tips That Maximize Every Square Inch

Transform your studio apartment layout and maximize storage. Get proven ideas from a 20-year property expert to make any small space stylish and functional.

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Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts

Create a productive work-from-home apartment setup, even in a small space or studio. Discover layout ideas, desk solutions, and organization tips that actually work.

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42 Market St, Unit Apt #3
$1,995
Total Monthly Price

Total Monthly Price

Base Rent
$1,995
Total Monthly Price
$1,995
1 Bedroom Apartment Available Aug 1

42 Market St, Unit Apt #3

42 Market StPortsmouth, NH 03801
Cost Per Sq.Ft.
  • Smoke Free
property at 401 State Street

$2,150

1 Bedroom, 1 Bath Condo for Rent

Available Now

401 State Street

PortsmouthNH03801

Navigating the Rental Market: Tips for First-Time Renters

Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.

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property at 270 Richards Ave

$2,195

Total Monthly Price

Total Monthly Price

Base Rent
$2,195
Total Monthly Price
$2,195

1 Bedroom, 1 Bath Home for Rent

Available Now

270 Richards Ave, Unit 4

270 Richards Ave
PortsmouthNH03801
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2 Bow St
1 Bedroom Apartments

2 Bow St

2 Bow StPortsmouth, NH 03801
  • Utilities Included
  • Smoke Free
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51 Islington St
1 Bedroom Apartments

51 Islington St

51 Islington StPortsmouth, NH 03801
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241 Middle St
1 Bedroom Apartments

241 Middle St

241 Middle StPortsmouth, NH 03801
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5 Hillcrest Ave
1 Bedroom Apartments

5 Hillcrest Ave

5 Hillcrest AveKittery, ME 03904

Renting Smart: Lease Basics Every Renter Needs

Demystify Your Rental Lease. Learn the basics about renting, deposits, and tenant/landlord responsibilities. Rent smart and avoid surprises. | Renter University at ApartmentHomeLiving.com

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98 Court St
1 Bedroom Apartments

98 Court St

98 Court StPortsmouth, NH 03801
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28-30 Traip Ave
1 Bedroom Apartments

28-30 Traip Ave

28-30 Traip AveKittery, ME 03904
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Rockingham House
1 Bedroom Apartments

Rockingham House

401 State StPortsmouth, NH 03801
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186 Miller Ave
1 Bedroom Apartments

186 Miller Ave

186 Miller AvePortsmouth, NH 03801
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452 Richards Ave
1 Bedroom Apartments

452 Richards Ave

452 Richards AvePortsmouth, NH 03801
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20 Chapel St
1 Bedroom Apartments

20 Chapel St

20 Chapel StPortsmouth, NH 03801
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361 Miller Ave
1 Bedroom Apartments

361 Miller Ave

361 Miller AvePortsmouth, NH 03801
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151 High St
1 Bedroom Apartments

151 High St

151 High StPortsmouth, NH 03801

Renters Insurance 101: What It Is, What It Covers, and Why You Need It

From theft to fire to water damage, the unexpected can happen to any renter. Discover why renters insurance is one of the smartest and most affordable investments you can make as a tenant.

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New Castle, NH Local Guide

Largest Available New Castle and Nearby 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in New Castle, NH is found at 79-81 Government St in the Osprey Landing neighborhood and is 808 square feet priced from $1,950. The Residences at Portwalk Place in the Hillcrest neighborhood has the second largest 1 Bedroom, which is sized at 732 square feet and currently listed start at $3,495. Here is today’s list of the largest available 1 Bedroom units in New Castle:

Apartment ListingModel NameSquare FootagePriced From
79-81 Government St79 Government # b808 Sq Ft$1,950
The Residences at Portwalk PlaceAria 1 Bedroom B8732 Sq Ft$3,495
Cummings Mill1 Bedroom705 Sq Ft$1,650
Royal Oak ApartmentsDeluxe One Bedroom625 Sq Ft$1,995
West End YardsA1M612 Sq Ft$2,615

Cheapest Available New Castle and Nearby 1 Bedroom Apartments

As of July 04, 2026 the lowest priced 1 Bedroom apartment unit in New Castle, NH is the 1 Bedroom Model starting from $1,650 at Cummings Mill in the Crocketts Crossings neighborhood. The second most affordable New Castle 1 Bedroom is the Standard One Bedroom Model at Royal Oak Apartments starting at $1,895 . The average price for all 1 Bedroom apartments in New Castle is currently $2,460. Here is today’s list of the cheapest available 1 Bedroom options in New Castle:

Apartment ListingModel NamePriced From
Cummings Mill1 Bedroom$1,650
Royal Oak ApartmentsStandard One Bedroom$1,895
79-81 Government St79 Govt$1,950
Rockland Street Apartments1-Bedroom$2,100
West End YardsA1M$2,615
The Residences at Portwalk PlaceAria 1 Bedroom B8$3,495

Real Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University

From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.

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Frequently Asked Questions about 1 Bedroom New Castle Apartments

How much is the average rent for a 1 Bedroom New Castle Apartment?

The average rent for a 1 Bedroom Apartment in New Castle is $2,460.

What is the largest available 1 Bedroom New Castle Apartment for rent?

Today's apartment with the most square footage in New Castle is a 808 square feet unit starting from $1,950 at 79-81 Government St.

What is the average size for New Castle 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in New Castle is currently 700 sq ft.

Expert Rental Resources

The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

Articles, How-To's, and Tips

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Renters Insurance 101: What It Is, What It Covers, and Why You Need It

Written by: Robin Stewart

Insurance seems to be a part of life. In some states, having insurance is the law, as is the case for automobile insurance. Renters are no exception.

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Apartment Occupancy Rates: Renter Attraction vs Renter Retention

Written by: Robin Stewart

There’s a tenet in marketing about client or customer attraction and retention. Studies and data have consistently shown it costs less to keep a current customer than to attract a new one.

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How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide

Written by: Robin Stewart

Evaluating rental properties for clients draws many parallels to house-hunting. Whether an apartment, loft, townhouse, or other rental, finding the right place means finding “home” for your client.

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Pet-Friendly Renting: Everything You Need to Know Before You Move

Written by: Christine Leonard, Esq.

For so many of us, pets are the best companions and a big part of our lives. For this reason, a pet-friendly house or apartment is often a very important - and nonnegotiable - part of a move.