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Seaford, DE Office Spaces for Lease

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11 properties
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Freestanding Retail Space
Updated: Nov 7, 2025
Freestanding Retail Space

900 W STEIN Highway, Seaford, DE 19973

$18 SF/Yr
12,738‑square‑foot freestanding brick building
Retail, medical, or institutional use potential
On‑site parking lot included
Dedicated monument signage opportunities
Located within the 23‑acre Nylon Capital Center redevelopment
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Medical Office Space with Central Air
Updated: Mar 17, 2025
Medical Office Space with Central Air

808 MIDDLEFORD Road, Seaford, DE 19973

$1,500/Mo
0.57 AC lot
Approx. 1,000 s.f. medical office space
Across Middleford Road from Tidal Health Nanticoke hospital
Central air conditioning and gas heat
Updated lighting and finishes
Brick and masonry construction built in 1985
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Medical Office Space Near Hospital
Medical Office Space Near Hospital

808 MIDDLEFORD Road, Seaford, DE 19973

$1,500/Mo
0.57 AC lot

Move-in-ready medical office with updated finishes, central air-conditioning, and on-site parking near Tidal Health Nanticoke hospital.

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Medical Office Suite with Air Conditioning
Medical Office Suite with Air Conditioning

808 Middleford Rd Unit 4, Seaford, DE 19973

$1,500/Mo
1,000 sqft

Updated lighting and finishes create a ready-to-use professional workspace.

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Furnished Office Units
Furnished Office Units

957 NORMAN ESKRIDGE HWY., Seaford, DE 19973

$1,000/Mo per office
1.00 AC lot

Office suites include shared meeting facilities, reception space, a break room, furnishings, utilities, internet, and cleaning.

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Nylon Capital Center Retail/Office Suite
Nylon Capital Center Retail/Office Suite

1000 W Stein Highway P, Seaford, DE 19973

$17 SF/Yr
915 sqft

915 SF suite at Nylon Capital Center, positioned for high-traffic visibility with shared parking and multiple access points.

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Warehouse Distribution Opportunity Near Route 13
Warehouse Distribution Opportunity Near Route 13

9654 BRICKYARD Rd, Seaford, DE 19973

$2,550/Mo
4,300 sqft 5.00 AC lot

4300 SF warehouse with office space near Route 13.

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Medical Office Space Near Hospital
Medical Office Space Near Hospital

808 Middleford Rd Unit 6, Seaford, DE 19973

$1,500/Mo
1,000 sqft

Move-in ready medical office space near Tidal Health Nanticoke.

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Mixed-Use Center Retail Suite
Mixed-Use Center Retail Suite

P-1000 W Stein Hwy, Seaford, DE 19973

$17.50 SF/Yr
915 sqft

915 SF suite within Nylon Capital Center, suited for boutique retail, specialty food, or office users.

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Front-Facing Retail Suite
Front-Facing Retail Suite

F-1000 W Stein Hwy, Seaford, DE 19973

$15.50 SF/Yr
1,721 sqft

Retail, medical, and service users benefit from entrance proximity, parking, and multiple access points.

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Freestanding Retail Building
Freestanding Retail Building

R-900 W Stein Hwy, Seaford, DE 19973

$18 SF/Yr
12,738 sqft

Standalone commercial facility with highway frontage, parking, and monument signage.

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Based on your search, we've compiled 27 Potential Opportunities for your consideration. Besides 11 Active listings in Seaford, DE, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 12 Properties for Sales.

Office Spaces for Lease in Nearby Cities

Here are 4 Similar Spaces we found in Nearby Locations for your consideration.

Bridgeville Office and Warehouse Space
Bridgeville Office and Warehouse Space

18904 Maranatha Way, Bridgeville, DE 19933

$12 SF/Yr
10,000 sqft

Office and warehouse space available for lease in Bridgeville.

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Office End Unit
Office End Unit

9111 ANTIQUE Alley, Bridgeville, DE 19933

$19 SF/Yr
2.92 AC lot

Flexible office layout with private rooms, shared work areas, storage, and on-site parking.

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Business Park Flex and Office
Business Park Flex and Office

10250 Stone Creek Dr, Laurel, DE 19956

Contact for pricing
1,950 sqft

Stone Creek Business Park combines front office/retail buildings with rear warehouse flex space.

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Office-Retail Flex Business Park
Office-Retail Flex Business Park

10252 Stone Creek Dr, Laurel, DE 19956

Contact for pricing
1,950 sqft

Business park features front office/retail buildings with rear warehouse flex space and room for additional structures.

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Similar Spaces for Sale in Seaford, DE

Consider Similar Space for Sale. We found 12 Spaces matching your search parameters.

Professional Office Building with Pond View
Professional Office Building with Pond View

924 Middleford Rd, Seaford, DE 19973

$780,000
5,235 sqft

Office building with expansion potential and adjacent parcel included.

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Seaford Medical Office Building For Sale
Seaford Medical Office Building For Sale

11 Fallon Ave, Seaford, DE 19973

$2,500,000
10,600 sqft

Well-maintained medical office building in Seaford, Sussex County.

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Professional Office Building with Parking
Professional Office Building with Parking

26286 Seaford Rd, Seaford, DE 19973

$280,000
1,440 sqft

Small office building suited for professional firms and service businesses.

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Medical Office Building with Tenant
Medical Office Building with Tenant

800 Concord Road, Seaford, DE 19973

Contact for pricing
4,800 sqft

Approximately 4,800 SF medical office building is occupied by Planned Parenthood under an in-place lease.

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Versatile Retail/Office Suite
Versatile Retail/Office Suite

512 W STEIN HIGHWAY #1, Seaford, DE 19973

Contact for pricing
6,400 sqft

Unit 1 storefront suite at 512 W Stein Highway offers flexible space for a range of business concepts.

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Flex Space with Fenced Storage
Flex Space with Fenced Storage

20643 SUSSEX HIGHWAY, Seaford, DE 19973

Contact for pricing
4,200 sqft

Office, restroom, drive-in access, and secured outdoor storage support varied commercial operations.

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Medical Office with Expansion Space
Medical Office with Expansion Space

924 MIDDLEFORD Road, Seaford, DE 19973

$780,000
0.51 AC lot

First-floor offices include reception, exam rooms, staff support areas, storage, and mechanical rooms.

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Small Office Building
Small Office Building

26286 SEAFORD Road, Seaford, DE 19973

$280,000
0.68 AC lot

Multiple private rooms and on-site parking support professional and service-oriented business operations.

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Office Building with Parking
Office Building with Parking

602 N PORTER Street, Seaford, DE 19973

$399,900
0.29 AC lot

Office property with central air, an on-site parking lot, and access to Rt. 20.

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Office Space with Easy Access
Office Space with Easy Access

602 N PORTER St, Seaford, DE 19973

$399,900

Office space with convenient access and ample parking available for sale.

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Well-Maintained Office Building
Well-Maintained Office Building

543 N Shipley St, Seaford, DE 19973

Contact for pricing
5,912 sqft

A well-maintained 5,912 SF office building with ample parking and a flexible floor plan for multiple office configurations.

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Newly Built 2021 Medical Office
Newly Built 2021 Medical Office

800 Health Services Dr, Seaford, DE 19973

Contact for pricing
4,800 sqft

NNN-leased medical office occupied by Planned Parenthood, newly constructed in 2021.

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Seaford, DE Office Spaces Lease Rates & Market Statistics

Browse 11 Office Spaces for lease in Seaford, DE on Realmo, a commercial real estate marketplace serving the Seaford area. The current inventory totals 22,589 square feet of properties — an average of ~2,050 SF per listing.

Office Spaces lease rates in Seaford range from $7.12 SF/Yr at the entry level to $18 SF/Yr at the top of the market, averaging $16.14 SF/Yr. That's a 3x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. The local average of $16.14 SF/Yr is 18% below the Delaware state average of $19.67 SF/Yr.

Seaford accounts for 20% of the 56 office spaces currently available across Sussex County, where nearby markets include Milford and Lewes. By space type, the market includes 7 office units and 6 medical office space listings.

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