New Castle, DE Office Spaces for Rent

Find the best New Castle, DE office space among 21 for rent listings currently on the market.

Office Market FAQs

One Corporate Commons

100 West Commons Blvd, New Castle, DE
Space Type

Office
For Lease Contact for pricing

5 spaces available / 1,330 - 11,997 SF
View Details (opens in new window)
Churchman's Corporate Center

84 Christiana Road, New Castle, DE
Space Type

Office
For Lease Contact for pricing

1 space available / 68,073 SF
View Details (opens in new window)
Airport Business Center | Building 94

94A Quigley Boulevard, New Castle, DE
Space Type

Office
For Lease

$125.00/MO
1 space available / 1,140 SF
View Details (opens in new window)
Corporate Commons

10 Corporate Circle, New Castle, DE
Space Type

Office
For Lease

$24.50/SF/YR
1 space available / 4,000 SF
View Details (opens in new window)
Creekwood Corporate Center

900 West Basin Road, New Castle, DE
Space Type

Office
For Lease Contact for pricing

2 spaces available / 3,767 - 7,870 SF
View Details (opens in new window)
908 B Churchmans Road Ext.

908 B Churchmans Road Ext., New Castle, DE
Space Type

Office
For Lease

$16.50/SF/YR
1 space available / 2,571 SF
View Details (opens in new window)
278 Quigley | Airport Business Center

278 Quigley Boulevard, New Castle, DE
Space Type

Office
For Lease

$12.50/SF/YR
1 space available / 2,500 SF
View Details (opens in new window)
189 Christiana Rd

189 Christiana Rd, New Castle, DE
Space Type

Office
For Lease

$20.00/SF/YR
1 space available / 1,300 SF
View Details (opens in new window)
13 Reads Way / Corporate Commons

13 Reads Way, New Castle, DE
Space Type

Office
For Lease Contact for pricing

1 space available / 8,208 SF
View Details (opens in new window)
950 West Basin Road

950 West Basin Road, New Castle, DE
Space Type

Office
For Lease

$12.00/SF/YR
1 space available / 90,000 SF
View Details (opens in new window)
92 Reads Way

92 Reads Way, New Castle, DE
Space Type

Office
For Lease Contact for pricing

2 spaces available / 6,415 - 9,200 SF
View Details (opens in new window)
Southgate Industrial Center

77 Mccullough Drive, New Castle, DE
Space Type

Office
For Lease

$12.25 - $13.00/SF/YR
3 spaces available / 4,900 SF
View Details (opens in new window)
19 East Commons Blvd

19 East Commons Blvd, New Castle, DE
Space Type

Office
For Lease Contact for pricing

1 space available / 4,417 SF
View Details (opens in new window)

Frequently Asked Questions

In New Castle, office spaces range from smaller units to larger options. On average, office spaces in this area tend to be about 11,995 square feet. However, the largest listings can go up to 90,000 square feet for an individual listing. This can give you a good starting point to compare with your needs.
In New Castle, you have several options when it comes to leasing office space. To better understand what to look for, check out our definitive guide to finding office space for your small business or startup. Here is an overview of the most common types currently available:
- Most Common Office Type
  The most frequent subtype available for lease is General Office, which makes up 47.62% of all listings in the city.
- Second-Most Common Office Type
  The second-most common office space type listed here is Flex - Office, accounting for 19.05% of available listings.
You can find a total of 21 listings for lease in New Castle, which add up to a total of 239,897 square feet.

New Castle, DE Office Space for Rent

Office inventory

According to our listing data, New Castle's office market contains 1.8M square feet of space as of 2026.

New Castle Office Market Breakdown by Building Size
Building Size Range	Total Square Feet
50k to 100k Sq. Ft.	471.6K Sq. Ft.
100k to 500k Sq. Ft.	1.1M Sq. Ft.

Data was provided by Yardi Research Data, refers to properties larger than 50,000 square feet.

Properties sized 100k to 500k Sq. Ft. make up most of the local office inventory, amounting to 1.1M square feet.

Average Rent for Office Spaces

The average rent for office space in New Castle is $13 per square foot. However, you can find rental rates as low as $12 per square foot here, depending on what compromises you are willing to make. If you are looking for office space priced at a certain value, you can use the filters at the top of the page to look for properties within your optimal range.

The maximum rental rate is $17 per square foot among local listings currently available for lease.

Office Spaces Classes

The office space market in New Castle incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. Class B accounts for 94.91% of traditional work spaces listed on the leasing market. Class C makes up 5.09% of such listings in New Castle. This data is current as of 2026.

New Castle Office Market Breakdown by Building Class
Class	Total Square Feet	Share of Total Office
B	1.7M	94.91%
C	90.1K	5.09%

Data was provided by Yardi Research Data, refers to properties larger than 50,000 square feet.

New Castle, DE Office Spaces for Rent

One Corporate Commons

Churchman's Corporate Center

Airport Business Center | Building 94

Corporate Commons

Creekwood Corporate Center

908 B Churchmans Road Ext.

278 Quigley | Airport Business Center

189 Christiana Rd

13 Reads Way / Corporate Commons

950 West Basin Road

92 Reads Way

Southgate Industrial Center

19 East Commons Blvd

Frequently Asked Questions

New Castle, DE Office Space for Rent

Office inventory

Average Rent for Office Spaces

Office Spaces Classes

Other Popular Searches

Popular Coworking Searches

Popular Commercial Searches