Apartments for Rent in New Castle, NH (161 Rentals)

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

Finding the right apartment starts with three things: location, cost, and amenities. Get the insider perspective from a real estate professional on how to nail all three.

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Neighborhood & Market Insights: How to Choose the Right Area to Rent

Master your search for the perfect apartment. Location is everything. Discover how to leverage community insights, public data, and personal visits to make a fully informed decision about where to rent.

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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
Affordability
  • Smoke Free
property at 673 South St

$2,600

Total Monthly Price

Total Monthly Price

Base Rent
$2,600
Total Monthly Price
$2,600

2 Bedroom, 1 Bath Condo for Rent

Available Aug 19

673 South St, Unit Noucas Condo

673 South St
PortsmouthNH03801

The Art of the Rental Viewing: What to look for during a property tour

Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

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Smart Renter's Guide: Calculating Affordable Rent & Housing Costs

Wondering how to determine your rental budget? This comprehensive guide covers everything from the 30% rule to hidden fees and effective budgeting strategies.

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New Castle, NH Local Guide

A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back

Learn the property manager's true secrets to a zero-deduction move-out. Use this step-by-step guide on documentation, cleaning, and lease-reading to reclaim your security deposit.

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18 Must-Ask Rental Tour Questions That Reveal the Truth about a Property

Tour smarter and choose with confidence. Get the essential 18 questions that reveal the truth about a rental property's maintenance, utilities, and safety.

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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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Quick Rent Budget Calculator

How much rent can you afford?

The common "Rule of Thumb" is that rent should be no more than 30% of your income. How much is that? Enter your monthly income and click "Calculate My Budget" to find out.

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Remember the 3 Rules of Real Estate:
Location, Location, Location!

Explore New Castle, NH Rentals by Map

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See the most popular apartments and homes in New Castle, NH

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Frequently Asked Questions about New Castle

What is the current pricing and availability for apartments for rent in New Castle, NH?

As of today, July 30, 2026, there are currently 161 available New Castle apartments priced from $1,130 to $5,045, with an average monthly rent of $2,815.

What is the current price range for One Bedroom New Castle Apartments for rent?

Today's rental pricing for One Bedroom Apartments in New Castle ranges from $1,260 to $3,650 with an average monthly rent of $2,384.

What does renting a Two Bedroom Apartment in New Castle cost?

The monthly rent prices of Two Bedroom Apartments currently available in New Castle range from $1,420 to $5,045. Today's average rental price for Two Bedrooms here is $2,856.

How expensive are New Castle Three Bedroom Apartments?

There are currently 21 Three Bedroom Apartments listings available in New Castle on ApartmentHomeLiving.com. The pricing ranges from $2,600 to $5,000 - averaging $3,578 for the location.

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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First Apartment Regrets: Real Renters Share What They'd Do Differently

Written by: Robin Stewart

Hindsight is 20/20. Live and Learn. With age comes wisdom. We’re familiar with all those expressions, and all of them apply to lessons first-time renters learn.

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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.