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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

Open today 

9:00 am–6:00 pm ET

Property Overview

Castlebrook Apartments is a highly rated community, earning a 9.9/10 overall Zumper Expert Rating with perfect 10/10 scores for price, amenities, location, and quality, and a strong 9/10 for trustworthiness. Residents can enjoy private balconies, in-unit laundry, spacious floor plans, and excellent amenities including a swimming pool, along with a blend of urban and suburban living. With extensive photos to preview the property and outdoor spaces that support pet friendliness, it offers strong value and convenience for many renter lifestyles.

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

  • Dishwasher
  • Images Available
  • Laundry available on site

Great for

  • Pet owners

Floor plans

Studio | 1 BathStudio1 bath300 sqft$1,220–$1,225 /mo3 units available
1 Bed | 1 Bath1 bed1 bath755 sqft$1,260–$1,578 /mo8 units available
2 Bed | 1 Bath2 bed1 bath950+ sqft$1,435–$1,789 /mo5 units available
2 Bed | 1.5 Bath2 bed1.5 bath950+ sqft$1,659–$1,826 /mo9 units available
3 Bed | 1.5 Bath3 bed1.5 bath1,165 sqft$2,184 /mo1 unit 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

Per-applicant. 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 Terms

2 cats max.

Pet Deposit

One-time deposit per pet.

$500

Dog

Pet Terms

2 dogs max.

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

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
Pet friendly
This property allows pets

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Rent trends in New Castle

Studio apartments at Castlebrook Apartments cost about 6% less than the average rent price for studios in New Castle.

1-bedroom apartments here are priced 6% lower than 1-bedrooms in New Castle.

If you decide to upgrade your space, you can expect 2-bedrooms at Castlebrook Apartments to be 6% less than the average for similarly sized apartments in New Castle.

3-bedroom apartments at Castlebrook Apartments cost about 0% less than the average rent price for 3-bedroom apartments in New Castle.

Median rents as of Mar 28 2026.
New Castle
A table of studio rental data trends in New Castle
MonthMedian Rent
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$1,450
February 2026$1,300
March 2026$1,300

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

$48,800/yr

With your selected rent-to-income ratio, you'd ideally want to make $48,800 annually to afford this studio monthly rent price of $1,220.
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

Red Clay Early Years Program

1621 telegraph rd

wilmington, DE, 19804

PKPublic

Southern Elementary School

795 cox neck rd

new castle, DE, 19720

K-5Public
C+

Lorewood Grove Elementary School

820 mapleton ave

middletown, DE, 19709

1-5Public
A
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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

Explore the area around 550 S Dupont Hwy

Food Lion
1200 Beaver Brook Plz
My Mexico Mexico
619 Pulaski Hwy
Mexico Grocery Inc
623 Pulaski Hwy
Africana Grocery
715 Pulaski Hwy
La Morena
757 Pulaski Hwy

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