Photo-1 of 1904 3rd Ave, Seattle, WA 98101
Photo-2 of 1904 3rd Ave, Seattle, WA 98101
Photo-3 of 1904 3rd Ave, Seattle, WA 98101

Securities Building

1904 3rd Ave, Seattle, WA 98101

Clise Properties’ first office development, the Securities Building, was constructed in 1917 on the site of the old Denny Hotel, which was demolished as part of the Denny Regrade project. Comprising 125,000 square feet of office space on a grand retail pedestal, the Securities Building blends a unique mix of classical architecture and Art Deco design. As one of Seattle’s first and grandest office towers, the Securities Building features a stunning two story grand lobby with onyx columns, mahogany detailing, sand-cast bronze fixtures and elevator doors, a stained glass ceiling and a beautiful mosaic tile floor. The building’s elevator lobbies and common areas feature beautiful terrazzo floors and Alaskan Blue Marble wainscoting. The Securities Building’s double-hung mahogany windows are all operable and are maintained true to their original condition to maximize fresh air and the beautiful views of Elliott Bay, the Olympic Mountains and the Space Needle. The building’s floor plates are very efficient with a load factor of only 12% and were designed to accommodate full floor tenants and tenants as small as 200 square feet. The building also features a large conference room available to all tenants, on-site building engineering staff, on-site storage, a tenant mailroom, secured key card after hour’s entry, roving security patrols and closed circuit cameras throughout the building. The Securities Building is served by two attached parking garages with entries and exits on Fourth Avenue and Third Avenue that together provide over 554 parking stalls for tenants and their guests. Although the Securities Building is one of Seattle’s oldest buildings, it is also one of its most connected with direct fiber access to the Westin Building, Seattle’s premier telecommunications carrier hotel. The Securities Building is located in the core of downtown Seattle between colorful Pike Place Market and the retail district with its numerous hotels, boutiques, restaurants, stores and shops. The Securities Building provides great access to north and south-bound I-5 and SR-99, the Westlake Transit Station, the South Lake Union Streetcar and numerous bus routes along the Third Avenue transit corridor.

Securities Building Office Space for Rent

19 Spaces Available
Workspace
1901 4th Ave. Corner
Size
3,111 SF
Can fit*
24 PPL
Price
$11,013 /MO
Workspace
Corner Retail
Size
3,447 SF
Can fit*
27 PPL
Price
$8,043 /MO
Workspace
Suite 1901 4th
Size
3,540 SF
Can fit*
28 PPL
Price
$13,275 - $30,019 /MO
Workspace
Suite 1901 4th
Size
4,465 SF
Can fit*
35 PPL
Price
$16,744 - $30,019 /MO
Workspace
Suite 1907 4th
Size
1,000 SF
Can fit*
8 PPL
Price
$3,750 /MO
Workspace
Suite 228
Size
1,814 SF
Can fit*
14 PPL
Price
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Workspace
Suite 229
Size
1,525 SF
Can fit*
12 PPL
Price
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Workspace Floorplans
Suite 230
Size
4,619 SF
Can fit*
36 PPL
Price
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Workspace
Suite 327
Size
660 SF
Can fit*
5 PPL
Price
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Workspace
Suite 336
Size
427 SF
Can fit*
3 PPL
Price
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Workspace
Suite 337
Size
385 SF
Can fit*
3 PPL
Price
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Workspace
Suite 420
Size
367 SF
Can fit*
2 PPL
Price
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Workspace
Suite 621
Size
292 SF
Can fit*
2 PPL
Price
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Workspace
Suite 632
Size
330 SF
Can fit*
2 PPL
Price
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Workspace
Suite 716
Size
972 SF
Can fit*
7 PPL
Price
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Workspace Floorplans
Suite 831
Size
755 SF
Can fit*
6 PPL
Price
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Workspace Floorplans
Suite 900
Size
3,899 SF
Can fit*
31 PPL
Price
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Workspace
Suite 918
Size
543 SF
Can fit*
4 PPL
Price
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Workspace
Suite 930
Size
1,547 SF
Can fit*
12 PPL
Price
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*OfficeSpace.com is suggesting this space is suitable for the listed amount of people, based on a calculation of 1 person = 125 SF.

Property Details
Property Type
Office
Property Size
185,313 sqft
Last Updated
6/16/2025
Parking
1.5/1,000
Securities Building location
City
Seattle
Neighborhood
Belltown/Denny Regrade
Zip Code
98101
Market
Downtown