Diamond Property - Building I - Office Space Availability

For LeaseContact for pricing See below for details.

1 South Heald Street, Wilmington, DE 19801

  • Office
  • General Office
  • 512,304 Sqft

Diamond Property - Building I, Wilmington, DE 19801 - Office Space for rent

Diamond Property - Building I is located at 1 South Heald Street in DE, Wilmington, 19801. The Office building features a total of 512,304 Sqft. There is 1 Office space available for lease at 1 South Heald Street, Wilmington, DE, 19801, totaling 512,304 Sqft. The largest space available has 512,304 Sqft.

There are 365 office spaces for lease in the Wilmington city, totaling 4,784,202 Sqft of available office space. The office space availability for the 19801 zip code is 3,536,061 Sqft, in 184 office spaces. The average asking office rent per sq. ft. in Wilmington is $22.16/sqft/year. For Class A office buildings the average office rate is $26/sqft/year, for Class B office buildings the average office rate is $23.34/sqft/year.

In Wilmington, there are 38 class A office buildings, there are 57 class B office buildings, there are 17 class C office buildings. In Wilmington, there are a total of 3 LEED certified office buildings. At zip code level, there are 56 commercial properties, of which 39 are office buildings over 50,000 square feet.

Nearby Listings

Nearby Properties


  • Price Contact for pricing
  • City Wilmington
  • Zip Code 19801
  • Market Philadelphia
  • Property Type Office - General Office
  • Property Size 512,304 Sqft
  • Lot Size 23.29 Acre
  • Parking Spaces Avail. 1501
  • Parking Ratio 2.93/ 1,000 SF
  • Date Updated 22 Dec, 2020

Looking for more in-depth information on this property? Find property characteristics, ownership, tenant details, local market insights and more. Unlock data on CommercialEdge.com.


Suite Name Space Type Lease Rate Space Available
Full Building General Office Contact for pricing 512,304 Sqft
  • Suite Full Building
  • Space Type General Office
  • Additional Space Type Interior Retail
  • Total Space Available 512,304 Sqft
  • Floor From 1 To 12
  • Divisible Space Yes
  • Min Divisible 20,000 Sqft
  • Max Contiguous 512,304 Sqft
  • Lease Rate Contact for pricing
  • Possession Type Arranged
  • Call For Terms Yes
  • Renewal Option Yes
  • Sub Lease No

Exclusive Brokers

Robert A. Stenta Is this you?


(302) 528-9182


How many office spaces are available at Diamond Property - Building I?

There is currently 1 office space in this building.

What is the largest space available at Diamond Property - Building I?

Currently, the largest rentable space at Diamond Property - Building I totals 512,304 square feet.

What is the total square footage of Diamond Property - Building I?

Diamond Property - Building I totals 512,304 square feet.

Wilmington Demographics

The average household income in zip code 19801 is $47,376, from a total of 6,393 households. In terms of employment, there are 80.64 % white-collar and 19.36 % blue-collar jobs in zip code 19801.


  • Total Population70,644
  • Male Population(47.4 %) 33,486
  • Female Population(52.6 %) 37,158
  • Median Age35.60


  • Average Household Income$69,468
  • Median Household Income$45,032
  • Median Income Under 25$25,298
  • Median Income 25-44$48,300
  • Median Income 45-64$45,794
  • Median Income Over 65$35,749

Leasing Contact Register now to add listings

Robert A. Stenta Is this you?


(302) 528-9182

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