1020 4th Avenue South

Off Market

1020 4th Avenue South, Seattle, WA 98134

  • Office
  • Medical Office
  • 33,729 Sqft

1020 4th Avenue South, Seattle, WA 98134 - Office Space

1020 4th Avenue South is located at 1020 4th Avenue South in the Harbor Island-Industrial District neighborhood, WA, Seattle, 98134. The Class B Office building was completed in 1982 and features a total of 33,729 Sqft.

There are 6 office spaces for lease in the Harbor Island-Industrial District neighborhood, totaling 24,270 Sqft of available office space. The office space availability for the 98134 zip code is 1,442,896 Sqft, in 84 office spaces. The average asking office rent per sq. ft. in Harbor Island-Industrial District is $24.25/sqft/year. For Class B office buildings the average office rate is $25.5/sqft/year.

In Harbor Island-Industrial District, there are 3 class B office buildings. In 1982, the same year 1020 4th Avenue South was built, 51 more commercial properties (office, industrial, retail) over 50,000 square feet were built in Seattle, featuring 152,532 square feet of commercial space. At zip code level, there are 81 commercial properties, of which 17 are office buildings over 50,000 square feet.

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Nearby Properties


  • City Seattle
  • Neighborhood Harbor Island-Industrial District
  • Zip Code 98134
  • Market Seattle
  • Property Type Office - Medical Office
  • Property Size 33,729 Sqft
  • Lot Size 1.47 Acre
  • Property Tenancy Single Tenant
  • Building Class B
  • Year Built 1982

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.


What is the total square footage of 1020 4th Avenue South?

1020 4th Avenue South totals 33,729 square feet.

When was this property built?

1020 4th Avenue South was built in 1982.

Harbor Island-Industrial District Demographics

The average household income in zip code 98134 is $105,636, from a total of 221 households. In terms of employment, there are 85.50 % white-collar and 14.50 % blue-collar jobs in zip code 98134.


  • Total Population5,614
  • Male Population(52.1 %) 2,925
  • Female Population(47.9 %) 2,689
  • Median Age40.00


  • Average Household Income$89,523
  • Median Household Income$76,291
  • Median Income Under 25$35,625
  • Median Income 25-44$96,520
  • Median Income 45-64$77,687
  • Median Income Over 65$45,215