Delaware Office Buildings for Sale

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Wilmington, DE Dover, DE Seaford, DE Milford, DE Millsboro, DE Newark, DE Lewes, DE Middletown, DE

107 properties

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Updated: Oct 16, 2025

Dagsboro Mixed-Use Property For Sale

31229 Dupont Boulevard, Dagsboro, DE 19939

$1,200,000

6,900 sqft 1.44 AC lot

High‑visibility location on Dupont Highway with 300 feet of frontage and high traffic counts.
1.44‑acre property suitable for commercial use.
Includes a 2,200 sq ft converted home/office with an existing tenant and a NNN lease with approximately two years remaining.
Features a LARGE WAREHOUSE (approx. 4,900 sq ft on the first level and 2,000 sq ft on the second floor).
Includes an additional storage building of 1,725 sq ft.

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This listing looks promising.

Here's a quick look at some key insights for

31229 Dupont Boulevard, Dagsboro, DE 19939

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Est. Cap Rate

9%
Above avg (5.9%)
Est. NOI

$108K
Annual
Price @ 7% Cap

$1.55M
Above asking

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Updated: Aug 14

Historic Three-Level Office Building

1919 RED LION Road, Bear, DE 19701

$799,900

3.28 AC lot

Over 6,500 SF across three usable levels
3.28‑acre office property in Bear, DE
Brick construction; built in 1751
Private offices, conference rooms, open work areas, and flexible meeting space
Renovated kitchen and lower‑level employee gym

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3-Building Office Parcel

896 S STATE Street, Dover, DE 19901

$875,000

0.78 AC lot

All three units are occupied, with office and medical office uses represented across the property.

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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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Three-Building Mixed-Use Assemblage

1719 1719-23 Delaware Ave, Wilmington, DE 19806

$1,450,000

11,376 sqft

Office, retail, salon, and residential components are paired with on-site parking in an urban Wilmington setting.

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Small Office Building with On-Site Parking

26286 SEAFORD Road, Seaford, DE 19973

$280,000

0.68 AC lot

A compact office building with private offices, conference space, kitchenette, restroom, and on-site parking for professional and service uses.

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Historic Office Building with Flexible Layout

501 MAIN STREET, Odessa, DE 19730

$799,900

5,300 sqft

Office property with private rooms, shared work areas, updated systems, storage, and on-site parking.

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Historic Office Building

1919 RED LION ROAD, Bear, DE 19701

$799,900

6,537 sqft

Three-level professional property with private offices, conference rooms, open work areas, and on-site parking.

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Commercial Property on Major Highway

8991 REDDEN Rd, Bridgeville, DE 19933

$1,250,000

4,200 sqft 2.00 AC lot

C-1 zoned commercial property on 2 acres for sale.

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Multi-Tenant Office Building with Parking

2400 W 4th St, Wilmington, DE 19805

$950,000

8,650 sqft

Well-maintained multi-tenant office building features dual entrances, private parking, and updated interior office, storage, and conference space.

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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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Downtown Milford Investment Property

105-111 NE Front Street, Milford, DE 19963

$1,990,000

10,712 sqft

Fully-tenanted professional office space in Milford, Delaware.

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Three-Building Office Parcel

896 STATE STREET, Dover, DE 19901

$875,000

3,310 sqft

Fully occupied office property with central air, on-site parking, and frontage along State Street.

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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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Mixed-Use Assemblage with Parking

171923 DELAWARE AVENUE, Wilmington, DE 19806

$1,450,000

11,376 sqft

Three-building property combines office, retail, salon, and residential components in Wilmington’s Forty Acres neighborhood.

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Freestanding Commercial Building with BG Zoning

1973 Bay Road, Milford, DE 19963

$949,000

14,400 sqft

Fully leased freestanding building on high-visibility Bay Road, zoned BG for retail, office, and medical uses.

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Zoned UB3 Office Building

123 W MARKET STREET, Georgetown, DE 19947

$599,999

3,000 sqft 1.50 AC lot

Office building on a large lot with on-site parking, zoned UB3 for professional use in Georgetown, Delaware.

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North Wilmington Office Building For Sale

1200 Philadelphia Pike, Wilmington, DE 19809

$3,200,000

30,000 sqft

Three-story office building in North Wilmington with flexible spaces.

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Multi-Story Office Building with 2-Car Garage

1205 N Orange St, Wilmington, DE 19801

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7,200 sqft

Multi-story office building with on-site 2-car garage, security on each floor, and office setup across three levels.

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Brownstone Office Building

1104 Philadelphia Pike, Wilmington, DE 19809

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5,920 sqft

The property includes an existing gym, private parking, and a large breakroom.

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Renovated Office/Professional Building

907 S College Ave, Newark, DE 19713

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2,955 sqft 0.67 AC lot

Office/professional building renovated to code in 2005 on a 2/3-acre site with a DelDot-approved entrance.

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Renovated NNN Commercial Property

105111 NE FRONT STREET, Milford, DE 19963

$1,990,000

12,422 sqft

Recently renovated property with two established tenants under NNN lease terms.

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Two-Story Elevator-Served Office Building

527 Stanton Christiana Road, Newark, DE 19713

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4,500 sqft

Medical and office property with elevator access, surface parking, ON zoning, and convenient connections to I-95.

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Centerville Office Building For Sale

5809-5811 Kennett Pike, Wilmington, DE 19807

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10,691 sqft

Three-level office building in the heart of Centerville, Delaware.

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Delaware Office Buildings Market Trends and Statistics

Explore 107 office buildings for sale in Delaware, showcased through 107 active listings on our real estate platform. These investment opportunities span a total of 11,012,730 square feet of properties for sale, with an estimated market value of $23,481,699.

Sale prices for office properties in Delaware start at $280,000, averaging $1,067,349, and reaching up to $3,200,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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