The Diamond Building

Off Market

100 5th Avenue, Pittsburgh, PA 15222

  • Office
  • General Office
  • 79,578 Sqft

The Diamond Building, Pittsburgh, PA 15222 - Office Space

The Diamond Building is located at 100 5th Avenue in the Downtown Pittsburgh neighborhood, PA, Pittsburgh, 15222. The Class B Office building was completed in 1910 and features a total of 79,578 Sqft.

There are 531 office spaces for lease in the Downtown Pittsburgh neighborhood, totaling 3,979,925 Sqft of available office space. The office space availability for the 15222 zip code is 3,590,263 Sqft, in 320 office spaces. The average asking office rent per sq. ft. in Downtown Pittsburgh is $21.74/sqft/year. For Class A+ office buildings the average office rate is $34.5/sqft/year, for Class A office buildings the average office rate is $24.63/sqft/year, for Class B office buildings the average office rate is $20.29/sqft/year, for Class C office buildings the average office rate is $19.75/sqft/year.

In Downtown Pittsburgh, there are 45 class B office buildings. In Downtown Pittsburgh, there are a total of 16 LEED certified office buildings. In 1910, the same year The Diamond Building was built, 48 more commercial properties (office, industrial, retail) over 50,000 square feet were built in Pittsburgh, featuring 685,552 square feet of commercial space. At zip code level, there are 77 commercial properties, of which 73 are office buildings over 50,000 square feet.

Nearby Listings

Nearby Properties


  • City Pittsburgh
  • Neighborhood Downtown Pittsburgh
  • Zip Code 15222
  • Market Pittsburgh
  • Property Type Office - General Office
  • Property Size 79,578 Sqft
  • Lot Size 0.32 Acre
  • Property Tenancy Multi-Tenant
  • Building Class B
  • Year Built 1910
  • Date Updated 07 Apr, 2020

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What is the total square footage of The Diamond Building?

The Diamond Building totals 79,578 square feet.

When was this property built?

The Diamond Building was built in 1910.

Downtown Pittsburgh Demographics

The average household income in zip code 15222 is $130,020, from a total of 2,751 households. In terms of employment, there are 97.05 % white-collar and 2.95 % blue-collar jobs in zip code 15222.


  • Total Population4,896
  • Male Population(49.1 %) 2,405
  • Female Population(50.9 %) 2,491
  • Median Age29.00


  • Average Household Income$98,886
  • Median Household Income$61,284
  • Median Income Under 25$30,998
  • Median Income 25-44$65,201
  • Median Income 45-64$88,843
  • Median Income Over 65$34,674