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Highlights

  • Rent Special
  • Pet Friendly
  • Private balcony
  • Swimming pool
  • Spacious floor plans
  • In-unit laundry
  • Excellent amenities
  • Urban and suburban living

Location

550 S Dupont Hwy, New Castle, DE 19720, USA
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Management

THE GALMAN GROUP

Our team has verified this company

Leasing office

(302) 302-5072

Closing soon 

9:00 am–7:30 pm ET

Property Overview

Castlebrook Apartments achieves an impressive Zumper Expert Rating of 9.9, highlighting its appeal as a top option for renters. The property excels in location, amenities, and quality, each receiving perfect scores, and is competitively priced, ensuring excellent value. Notable features include spacious floor plans, in-unit laundry, and a swimming pool, complemented by pet-friendly outdoor spaces, making it a compelling choice in urban and suburban living.

This summary uses Zumper’s proprietary data. “Zumper Expert Ratings,” “Things you’ll love,” and “Great for” are based on our internal analyses of market trends and renter insights.

Zumper Expert Rating

9.9
Excellent
With an impressive overall rating of 9.9 out of 10, Castlebrook Apartments is one of the top properties in this neighborhood. It stands out for Price, Amenities, and Location, so residents can expect their monthly rent payments to give them elevated features, an exceptional standard of living, and a phenomenal experience.

Things you’ll love

  • Less expensive
  • Dishwasher
  • Images Available

Great for

  • Pet owners

Floor plans

Studio | 1 BathStudio1 bath300 sqft$1,253–$1,258 /mo2 units available
1 Bed | 1 Bath1 bed1 bath755 sqft$1,273–$1,681 /mo9 units available
2 Bed | 1 Bath2 bed1 bath950+ sqft$1,408–$1,706 /mo4 units available
2 Bed | 1.5 Bath2 bed1.5 bath950+ sqft$1,474–$1,754 /mo8 units available
3 Bed | 1.5 Bath3 bed1.5 bath1,165 sqft$2,148 /mo3 units available
1 Bed Jr | 1 Bath1 bed1 bath430 sqftAsk to join waitlistComing soon

Let's explore this property.

Amenities for Castlebrook Apartments

Apartment Amenities

Air ConditioningBalcony
CarpetCeiling Fan
DryerIsland Kitchen
Private BalconyPrivate Patio
Window Coverings

Appliances

DishwasherGarbage Disposal
In-Unit LaundryMicrowave
Refrigerator

Tech

Social Room with WiFi

Building

Cats OKDogs OK
Fitness CenterOnsite Laundry
Roof Deck

Grounds

Outdoor SpaceSwimming Pool
Tennis Courts

Services

Amazon LockersFree Water Sewer and Trash Collection
On-Site MaintenanceOn-Site Management

Other

Corporate Leasing AvailableResident Referral Program
Units, floor plans, amenities, dimensions, details, availability, and prices may be approximate and subject to change. Please contact a community representative for more information.

Policies and fees

Applicants

Application Fee

One-time. Agent application fee.

Contact Property

REQUIRED FEES

Security Deposit

One-time.

Contact Property

OPTIONAL FEES

Parking Policy

Surface Lot

Please call us regarding our Parking Policy.

Surface Lot

Parking Fee

Monthly. 2 surface lots max. Unassigned parking.

Contact Property

Dog Policy

Allowed
Limit2
Breed restrictionsYes

Please call our Leasing Office for complete Pet Policy information.

Cat Policy

Allowed
Limit2

Cat

Pet Rent

Monthly. 2 cats max.

Contact Property

Pet Deposit

One-time deposit per pet.

$500

Dog

Pet Rent

Monthly. 2 dogs max.

Contact Property

Pet Deposit

One-time deposit per pet.

$500

Questions about this property’s policies and fees?

Building details

Property details

Units635
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About Castlebrook Apartments

HomeApartments in New Castle Castlebrook Apartments

Explore Castlebrook Apartments, a beautifully maintained rental community in New Castle, DE. Featuring spacious studio, 1-, 2-, and 3-bedroom floor plans with excellent amenities. Enjoy a private balcony, in-unit laundry, an on-site fitness center, a swimming pool, and more. Encompassing 34 acres in a fabulous residential setting, Castlebrook Apartments provide a refreshing blend of urban and suburban living with easy access to I-95, Routes 1, 13, 40, 141 & 273.


Zumper Expert Rating

Our expert rating is based on a weighted average score of property attributes that renters care about most: price, amenities, location, quality, and trust.
9.9
/10
Excellent
With an impressive overall rating of 9.9 out of 10, Castlebrook Apartments is one of the top properties in this neighborhood. It stands out for Price, Amenities, and Location, so residents can expect their monthly rent payments to give them elevated features, an exceptional standard of living, and a phenomenal experience.
How we rated Castlebrook Apartments
Price·10A score that weighs the cost and location of the property, which we calculate by comparing rent prices of recent units to the median price of nearby rentals, adjusting for overall quality and features.
Castlebrook Apartments offers an excellent balance between price and value. It's priced competitively for its amenities, location, and other key features. Compared to the median price per bedroom in the area, this property is less than, or about the same as, nearby rentals, so residents can expect great value without too many compromises on their desired standard of living.
Amenities·10A score based on the amenities offered at this property compared to other rentals in the area. We consider the quantity, quality, and popularity of features both on site and within the units.
Castlebrook Apartments stands out as a premier property with an impressive array of amenities and an excellent standard of living. Residents here have access to many of the most popular and desired perks—pets allowed—making this one of the top choices for renters seeking unparalleled comfort and convenience.
Location·10A score based on proximity and ease of access to shops, restaurants, schools, and public transportation while considering the desirability of the area.
Castlebrook Apartments offers residents unparalleled convenience to popular points of interest, transportation, schools, and more, which provide an elevated quality of life. Communication with management is usually quick and easy, allowing for a more expedited application and renting process, saving you time and money.
Quality·10A score based on what makes the property stand out, such as luxury features, unique offerings, age of the building, and our ability to verify the accuracy of these details.
Castlebrook Apartments has notable characteristics that give it an edge. It is a verified property that stands out from others nearby as an exceptional choice for renters looking for a specific lifestyle. Offering a combination of prestige, modernity, and tailored living experiences, residents can expect nothing short of excellence at Castlebrook Apartments.
Trustworthiness·9A score based on the accuracy, completeness, recency, and usefulness of the information provided by this property, so you can trust that what you see is what you get.
Castlebrook Apartments has gone above and beyond to craft a useful, detailed description, demonstrating transparency and trustworthiness, and giving renters a clear picture of what to expect from the property and its management, so they can make an informed decision about whether the rental meets their needs.

Castlebrook Apartments is great for:

Pet owners

  • Outdoor spaces are available at this property
  • 1 pet supply store near the property

Property highlights

We compared every listing in the surrounding area to determine which amenities are most common. If a building lacks an amenity that most others in the area have, it is a con. If a building has an amenity most others in the area do not, it is a pro. Similarly, price, schools, and size are calculated relative to the size, price, and distance to schools of the other properties nearby.

How Castlebrook Apartments compares to other nearby properties.

Positives

Less expensive
Studio units are cheaper than other similar listings nearby
Less expensive
The 2-bedrooms are cheaper than other similar listings nearby
Dishwasher
Dishwasher available in kitchen
Images Available
There are at least 10 photos of this address
Laundry available on site
Washers and dryers are available in-building or in-unit

Considerations

Greater distance from high schools
The nearest high school is farther than 3 miles away

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Rent trends in New Castle

Studio apartments at Castlebrook Apartments cost about 15% less than the average rent price for studios in New Castle.

1-bedroom apartments here are priced about the same as 1-bedrooms in New Castle.

If you decide to upgrade your space, you can expect 2-bedrooms at Castlebrook Apartments to be 5% less than the average for similarly sized apartments in New Castle.

3-bedroom apartments at Castlebrook Apartments cost about 2% more than the average rent price for 3-bedroom apartments in New Castle.

Median rents as of Jan 24 2026.
New Castle
A table of studio rental data trends in New Castle
MonthMedian Rent
February 2024$1,000
March 2024$1,000
August 2024$1,180
September 2024$1,180
October 2024$1,180
November 2024$1,252
December 2024$1,300
January 2025$1,300
February 2025$1,253
March 2025$1,390
April 2025$1,254
May 2025$1,475
June 2025$1,475
July 2025$1,475
August 2025$1,475
September 2025$1,365
October 2025$1,200
November 2025$1,200
December 2025$1,475
January 2026$1,475

Affordability calculator

Can I afford to live at 550 S Dupont Hwy?

Bedrooms

Rent-to-income ratio

30%

Slide to adjust the percentage of your monthly income you are willing to spend on rent.
The general rule of thumb is to spend around 30% or less of your income on rent.
Recommended income

$50,120/yr

With your selected rent-to-income ratio, you'd ideally want to make $50,120 annually to afford this studio monthly rent price of $1,253.
For more information on rent affordability, visit our rent calculator.

Schools near Castlebrook Apartments

The Colwyck Center

12 landers ln

new castle, DE, 19720

PKPublic

John G. Leach School

10 landers ln

new castle, DE, 19720

PK, K-12Public

Southern Elementary School

795 cox neck rd

new castle, DE, 19720

K-5Public
C+
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Internet available near Castlebrook Apartments

Neighborhood

NEIGHBORHOOD VIBE
Peaceful and quiet
Noise-canceling headphones not required in this mostly noise free area.

Getting around New Castle near 550 S Dupont Hwy

Walking

4/10
Fewer daily needs are within walking distance (unless you’re up for a challenge).

Driving

8/10
This area is close to freeways and has adequate parking options.

Transit

3/10
There are a few mass transit options within the area.

Points of interest for 550 S Dupont Hwy, New Castle

Groceries

8/10
At least one grocery store within a few minutes' walk

Shopping

4/10
Some shops within walking distance

Cafes

2/10
Few or no cafés within walking distance

Restaurants

4/10
Some restaurants within walking distance

Primary schools

0/10
No elementary schools within a 30-minute walk

High schools

0/10
No high schools within a 30-minute walk

Parks

10/10
Very large amount of park space within a few minutes' walk

Nightlife

3/10
Few or no bars within walking distance

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