Delaware Office Spaces for Rent

Find the best Delaware office space among 411 for rent listings currently on the market.

Graystone Plaza

601 West Newport Pike, Wilmington, DE
Space Type

Office
For Lease

$21.00/SF/YR
1 space available / 1,168 SF
View Details (opens in new window)
221 N Broad St

221 N Broad St, Middletown, DE
Space Type

Office
For Lease Contact for pricing

1 space available / 3,850 SF
View Details (opens in new window)
4708 Kirkwood Highway

4708 Kirkwood Highway, Wilmington, DE
Space Type

Office
For Lease

$22.00/SF/YR
1 space available / 2,200 SF
View Details (opens in new window)
The Win Factory
The Win Factory
300 Martin Luther King Jr. Boulevard, Wilmington, DE
Space Type

Private Offices
For Lease

From $650/month
View Details (opens in new window)
1300 First State Blvd. (Suites C, D and E)

1300 First State Blvd. (Suites C, D and E), Wilmington, DE
Space Type

Office
For Lease

$9.50/SF/YR
1 space available / 7,047 SF
View Details (opens in new window)
Fort DuPont | Office

2420 Old Battery Lane, Delaware City, DE
Space Type

Office
For Lease

$12.00/SF/YR
1 space available / 4,793 SF
View Details (opens in new window)
706 Philadelphia Pike

706 Philadelphia Pike, Bellefonte, Wilmington, DE
Space Type

Office
For Lease

$20.00/SF/YR
3 spaces available / 250 - 380 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)
912 N Union St

912 N Union St, Wilmington, DE
Space Type

Office
For Lease

$17.00/SF/YR
1 space available / 3,500 SF
View Details (opens in new window)
Riverside Medical Complex

700 W. Lea Boulevard, Wilmington, DE
Space Type

Office
For Lease

$17.50/SF/YR
2 spaces available / 1,311 - 1,558 SF
View Details (opens in new window)
Foulk Road Office Plaza

2000 Foulk Road, Wilmington, DE
Space Type

Office
For Lease Contact for pricing

4 spaces available / 1,875 - 8,091 SF
View Details (opens in new window)

Delaware Office Space for Rent

Office inventory

According to our listing data, Delaware's office market contains 28.1M square feet of space as of 2026.

Delaware Office Market Breakdown by Building Size
Building Size Range	Total Square Feet
50k to 100k Sq. Ft.	4.9M Sq. Ft.
100k to 500k Sq. Ft.	15.1M Sq. Ft.
500k to 1M Sq. Ft.	4.9M Sq. Ft.
> 1M Sq. Ft.	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 15.1M square feet.

Average Rent for Office Spaces

The average rent for office space in is $23 per square foot. However, you can find rental rates as low as $18 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 $27 per square foot among local listings currently available for lease.

Office Spaces Classes

The office space market in Delaware incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. 31.75% of total office listings in this city are in properties rated Class A. Class B accounts for 61.54% of traditional work spaces listed on the leasing market. Class C makes up 6.71% of such listings in Delaware. This data is current as of 2026.

Delaware Office Market Breakdown by Building Class
Class	Total Square Feet	Share of Total Office
A	8.9M	31.75%
B	17.3M	61.54%
C	1.9M	6.71%

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

The most common factor that influences the cost of renting space for your business in any location is the property class rating. For example, Delaware office space rated Class A asks an average of $23.44 per square foot. Class B space in Delaware costs $22.81 per square foot, on average. Listings of available space in Class C buildings asked an average of $15.56 per square foot.

Delaware Office Spaces for Rent

Graystone Plaza

221 N Broad St

4708 Kirkwood Highway

The Win Factory

1300 First State Blvd. (Suites C, D and E)

Fort DuPont | Office

706 Philadelphia Pike

950 West Basin Road

912 N Union St

Riverside Medical Complex

Foulk Road Office Plaza

Delaware Office Space for Rent

Office inventory

Average Rent for Office Spaces

Office Spaces Classes

Popular Cities in Delaware

Popular Coworking Searches