www.crexi.com - The Commercial Real Estate Exchange
For Sale
Office 

New Castle County Office Properties for Sale

23 results
Pictures of Office property located at 1205 Orange St, Wilmington, DE 19801 for sales - image #1
Opportunity Zone
$1,100,000
1205 N Orange Street
High-profile office in downtown Wilmington with off-street parking.

1205 Orange St Wilmington, DE 19801

Pictures of Office property located at 601 A Street, Wilmington, DE 19801 for sales - image #1
Opportunity Zone
$1,695,000
601 A Street
Office • 3,410 SF

601 A Street Wilmington, DE 19801

Pictures of Office property located at 700 Lea Boulevard - Suite 102, Wilmington, DE 19802 for sales - image #1
$182,500
Riverside Medical Arts Complex
Ready to move in medical office.

700 Lea Boulevard - Suite 102 Wilmington, DE 19802

Pictures of Office property located at 1815 W 13th St, Wilmington, DE 19806 for sales - image #1
$315,000
The Station
Office • 1,640 SqFt

1815 W 13th St Wilmington, DE 19806

Pictures of Office property located at 910 Gilpin Ave, Wilmington, DE 19806 for sales - image #1
Unpriced
910 Gilpin Ave, Wilmington, DE
Office • 12,800 SqFt

910 Gilpin Ave Wilmington, DE 19806

Pictures of Office, Retail, Special Purpose property located at 774 Christiana Rd, Newark, DE 19713 for sales - image #1
$6,529,000
Delaware Outpatient Center for Surgery | 10Yr. Lease Ext.
DOCS • New 10yr. NNN Lease Extension • Annual CPI/3% Rental Increases • Major Renovation Planned

774 Christiana Rd Newark, DE 19713

Pictures of Office, Retail, Land property located at East 12th & North King Street Street, Wilmington, DE 19801 for sales - image #1
Opportunity Zone
$3,200,000
King and Market Street Assemblage - Downtown Wilmington
King and Market Street Assemblage

East 12th & North King Street Street Wilmington, DE 19801

Pictures of Office, Retail property located at 4001 Miller Rd, Wilmington, DE  19802, Wilmington, DE 19802 for sales - image #1
$1,500,000
4001 Miller Road
Well-maintained, multi-use commercial property with excellent visibility and access

4001 Miller Rd, Wilmington, DE 19802 Wilmington, DE 19802

See New Listings First!
Save your filters and get alerts when new properties hit the market.
Save My Search
Pictures of Office property located at 921 Orange St, Wilmington, DE 19801 for sales - image #1
Opportunity Zone
Unpriced
921 N Orange Street
Office for sale in downtown Wilmington.

921 Orange St Wilmington, DE 19801

Pictures of Office property located at 650 Naamans Rd, Claymont, DE 19703 for sales - image #1
Unpriced
Brandywine Corporate Center
Value-Add Recently Renovated Asset • 76,331 SF • 64% Leased • Office Building

650 Naamans Rd Claymont, DE 19703

Pictures of Retail, Office property located at 508 Main St, Wilmington, DE 19804 for sales - image #1
$1,900,000
508-512 Main Street-Office and Retail
Retail • 4.00% CAP • 8,000 SqFt

508 Main St Wilmington, DE 19804

Pictures of Land, Mixed Use, Multifamily, Office, Special Purpose property located at 5629 Dupont Pkwy, Smyrna, DE 19977, 1606 Rd 487, Smyrna, DE 19977, 1612 Rd 487, Smyrna, DE 19977 for sales - image #1
$2,500,000
Poore Development Property
Land • 7.8 acres

3 LOCATIONS

Pictures of Multifamily, Office, Retail property located at 900 A St., Wilmington, DE USA, Wilmington, DE 19801 for sales - image #1
Opportunity Zone
$1,600,000
900 A Street, Wilmington, DE
3-parcel Lot in Wilmington's Waterfront East District

900 A St., Wilmington, DE USA Wilmington, DE 19801

Pictures of Office property located at 101 N Gray Ave, Wilmington, DE 19805 for sales - image #1
$475,000
101 N. Gray Ave, Wilmington, DE, 19805
Office • 4,708 SqFt

101 N Gray Ave Wilmington, DE 19805

Pictures of Retail, Office property located at 26060 Valley Run Drive, Wilmington, DE 19810 for sales - image #1
$649,000
26060 Valley Run Drive
Development Land For Sale

26060 Valley Run Drive Wilmington, DE 19810

Pictures of Office property located at 2601 Annand Dr, Wilmington, DE 19808 for sales - image #1
$449,000
Heritage Professional Plaza
Perfect medical/dentist office or conversion to traditional office possible.

2601 Annand Dr Wilmington, DE 19808

Pictures of Land, Mixed Use, Office, Special Purpose property located at 101 W Park Pl, Middletown, DE 19709 for sales - image #1
$888,500
Park Place Center, LLC.
Land • 1.15 acres

101 W Park Pl Middletown, DE 19709

Pictures of Retail, Office property located at 1810 Philadelphia Pike, Wilmington, DE 19809 for sales - image #1
$509,000
1810 Philadelphia Pike
Great Retail or Office Building on busy highway

1810 Philadelphia Pike Wilmington, DE 19809

Pictures of Office property located at 1806 N Van Buren St, Wilmington, DE 19802 for sales - image #1
$1,100,000
Brandywine Medical Center
Medical Office Building for Sale - $1,450,0007,0

1806 N Van Buren St Wilmington, DE 19802

Pictures of Office property located at 5809 Kennett Pike, Wilmington, DE 19807 for sales - image #1
Unpriced
5809-5811 Kennett Pike
Office Building in the Heart of Centerville, Delaware

5809 Kennett Pike Wilmington, DE 19807

Pictures of Office, Industrial property located at 150 Red Mill Road, Newark, DE 19711 for sales - image #1
Unpriced
150 Red Mill Road

150 Red Mill Road Newark, DE 19711

Pictures of Office property located at 1501 N Walnut St, Wilmington, DE 19801 for sales - image #1
video
$1,100,000
1501 N Walnut St, Wilmington, DE 19801
Fully renovated 2-story office building with 4 suites, rear parking, and flexible occupancy options.

1501 N Walnut St Wilmington, DE 19801

Pictures of Multifamily, Office, Mixed Use property located at 1653 Maple Boulevard, Delaware City, DE 19706 for sales - image #1
$110,000
1653 Maple Boulevard
The Guard House at Fort DuPont

1653 Maple Boulevard Delaware City, DE 19706

Based off of your search, you may also like

Pictures of Office property located at 5510 N Belt W, Belleville, IL 62226 for sales - image #1
Auction
$250,000
8,952± SF Free-Standing Commercial Building
Newly Built Commercial Building • Redevelopment Opportunity

5510 N Belt W Belleville, IL 62226

Pictures of Office property located at 3681 N Robert Road, Prescott Valley, AZ 86314 for sales - image #1
$595,000
3681 N Robert Road
Office • 5.01% CAP • 2,380 SqFt

3681 N Robert Road Prescott Valley, AZ 86314

Pictures of Office property located at 2155 W State Route 89a Unit 205/206, Sedona, AZ 86336 for sales - image #1
$500,000
2155 W State Route 89a Unit 205/206
Office • 6.25% CAP • 1,812 SqFt

2155 W State Route 89a Unit 205/206 Sedona, AZ 86336

Pictures of Office property located at 2108/2112 Nolana Loop, McAllen, TX 78504 for sales - image #1
$1,650,000
2108/2112 Nolana Loop
Office • 6,000 SqFt

2108/2112 Nolana Loop McAllen, TX 78504

Pictures of Office property located at 55 East 59th Street, New York City, NY 10022 for sales - image #1
$0/SF
55 East 59th Street - 12th Floor
Office • 12,342 SqFt

55 East 59th Street New York City, NY 10022

Pictures of Office property located at 410 N Calhoun Street, Tallahassee, FL 32301 for sales - image #1
$749,000
410 N Calhoun Street
Office / Residential

410 N Calhoun Street Tallahassee, FL 32301

Pictures of Office property located at 935 Trailwood, Boardman, OH 44512 for sales - image #1
virtual tour
$375,000
935 Trailwood
Office • 0.00% CAP • 2,703 SqFt

935 Trailwood Boardman, OH 44512

Pictures of Office property located at 2620 S Kentucky St, Amarillo, TX 79109 for sales - image #1
$395,000
Freestanding Office off S. Georgia in Amarillo, TX
Office • 2,376 SqFt

2620 S Kentucky St Amarillo, TX 79109

Pictures of Office property located at 2254 First St, Fort Myers, FL 33901 for sales - image #1
$1,750,000
First Street Executive Suites
Turnkey Executive Office Building with 35 Private Offices in Downtown Fort Myers

2254 First St Fort Myers, FL 33901

Pictures of Office property located at 634 NE HWY 54, Guymon, OK 73942 for sales - image #1
$520,000
634 NE HWY 54
Office • 0 SqFt

634 NE HWY 54 Guymon, OK 73942

Pictures of Office property located at 1720 Harrison St # 7A, Hollywood, FL 33020 for sales - image #1
$1,650,000
1720 Harrison St # 7A
Full Floor Office Condo in the Heart of Downtown Hollywood

1720 Harrison St # 7A Hollywood, FL 33020

Pictures of Office property located at 1020 E Florida Ave, Hemet, CA 92543 for sales - image #1
Opportunity Zone
$689,000
Turnkey Standalone Dental Building in Hemet
Prime main BLVD location

1020 E Florida Ave Hemet, CA 92543

Pictures of Office property located at 476 Route 28, Harwich Port, MA 02646 for sales - image #1
$1,399,000
476 Route 28
Office • 3,995 SqFt

476 Route 28 Harwich Port, MA 02646

Pictures of Office property located at 1580 S Milwaukee Ave, Libertyville, IL 60048 for sales - image #1
$6,300,000
Hilltop Executive Center
Office • 10.58% CAP • 86,880 SqFt

1580 S Milwaukee Ave Libertyville, IL 60048

Pictures of Office property located at 100 E Broadway, Eugene, OR 97401 for sales - image #1
Opportunity Zone
$5,485,000
100 E Broadway
Office • 22,086 SqFt

100 E Broadway Eugene, OR 97401

Pictures of Office property located at 1601 N Ankeny Blvd, Ankeny, IA 50023 for sales - image #1
$1,125,000
1601 N Ankeny Blvd
Office • 6,804 SqFt

1601 N Ankeny Blvd Ankeny, IA 50023

Pictures of Office property located at 1102 N Hutchinson, Adel, GA 31620 for sales - image #1
$149,900
1102 N Hutchinson
Office • 1,906 SqFt

1102 N Hutchinson Adel, GA 31620

Pictures of Office property located at 615 S Saginaw St, Flint, MI 48502 for sales - image #1
Opportunity Zone
$1,500,000
Ferris Wheel Building
Office • 42,679 SqFt

615 S Saginaw St Flint, MI 48502

Pictures of Office property located at 439 Mason Park Blvd #A,, Katy, TX 77450-6242 for sales - image #1
$1,300,000
439 Mason Park Blvd #A,
Office • 4,873 SqFt

439 Mason Park Blvd #A, Katy, TX 77450-6242

Pictures of Office property located at 1259 Metropolitan Ave SE, Atlanta, GA 30316 for sales - image #1
$799,000
1259 Metropolitan Ave
Rare East Atlanta Village Live/Work Opportunity

1259 Metropolitan Ave SE Atlanta, GA 30316

Results per page:
...... 1

New Castle County, DE Office Properties for Sale Market Overview

Search offices for sale in New Castle County, DE and explore 25 office properties for sale on Crexi’s marketplace. Currently, there are 332,033 square feet of office space in New Castle County, averaging $1,540,100 and representing $30,802,000 in total value. The average price per square foot for offices in New Castle County is $234 with a median cap rate of 4%.



Crexi features New Castle County office units for sale, coworking space for sale, medical office for sale, and more that suit a variety of commercial real estate needs.

Nearby Office Properties

Show Less

New Castle County Property Types

Show Less
For assistance, reach out to our support team at [email protected] or call 888.273.0423 . For press inquiries, contact [email protected]
Equal Housing Opportunity
5510 Lincoln Blvd #400, Los Angeles, CA 90094Commercial Real Estate Exchange, Inc.Crexi Technologies, LLCCXTechnology, LLC
© 2026 Commercial Real Estate Exchange, Inc. All Rights Reserved. DRE #02086591