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Interconnected Class A Office Buildings
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411 1st Avenue South, Seattle, WA 98104

135,000 SF office space in three interconnected Class A buildings.

Space Size1,036 SF - 21,018 SF
Days on Market287

Property Features for 411 1st Avenue South

General Information

Standard status Active
Size 1,036 SF - 21,018 SF
Property subtype Office

Spaces For Lease

at 411 1st Avenue South Contact us

Floor 3

Size
21,018 SF
Availability
Available
Suite 300, Suite 320, and Suite 330 combined for up to 21,018 SF of office space
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Suite 200

Size
13,904 SF
Availability
Available
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Suite 310

Size
8,659 SF
Availability
Available
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Suite 320

Size
2,190 SF
Availability
Available
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Suite 330

Size
10,169 SF
Availability
Available
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Suite 400

Size
6,959 SF
Availability
Available
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Suite 505

Size
1,036 SF
Availability
Available
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Suite 520

Size
2,094 SF
Availability
Available
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Suite 605

Size
1,057 SF
Availability
Available
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Suite 700

Size
19,299 SF
Availability
Available
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Listing Agency: CBRE
Listed By: Laura Ford
Source: Cbre
Added: Nov 22, 2025 Changed: Sep 4 Last Checked: Sep 5 at 5:41AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of CBRE

Investment Insights

Based on property information with market context.

This property features 135,000 square feet of office space distributed across seven floors within three interconnected Class A buildings. The buildings offer large floorplates. The property connects to 450 Alaskan Street-level retail, including Il Terrazzo Carmine and General Porpoise Donuts.

Key Highlights

  • 135,000 square feet of space
  • Three interconnected Class A buildings
  • Seven floors

Property Analytics

Current Use

HAINLINE | Construction Expert ... Construction Company UniSacs: Stylish Bags (Bike/Boat/Book/etc) Store Mentor Law Group, ... Law Firm AssureStart Insurance Agency FedEx Drop Box Postal Service

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Pet Grooming Service Tanning Salon Veterinary Clinic Pet Store Pet Store & Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

9,671
Businesses Nearby

Demographics for 98104, WA

16,157
Population
10,803
Households
1.5
Avg Household Size
38
Median Age
45%
College-Educated
83%
High-School Grad
0.9 sq mi
ZIP Area
17,952
Density / Sq Mi
$61,866
Median Household Income
$57,791
Median Earnings
$1,511
Median Rent
$663,000
Median Home Value

Market

Lease Benchmarks for Seattle, WA

$32.9 /SF/Yr
Avg Asking Price
$22–$42.5 /SF/Yr
Price Range
34,248 SF
Avg Space Size

Vacancy Rate% for Office in Seattle, WA

8.5% 2019
13.4% 2020
17.6% 2021
19.5% 2022
24.3% 2023
30% 2024
32.3% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Office building - 135,000 SF office space in three interconnected Class A buildings.
Where is this office building located?
The property is located at 411 1st Avenue South Seattle, WA.
What are key features of this property?
This property features: 135,000 square feet of space; Three interconnected Class A buildings; Seven floors
More about this property
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