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1501 4th Avenue, Seattle, WA 98101

30-story office building with modern amenities and convenient transit access.

Space Size2,094 SF - 25,369 SF
Days on Market287

Property Features for 1501 4th Avenue

General Information

Standard status Active
Size 2,094 SF - 25,369 SF
Property subtype Office

Spaces For Lease

at 1501 4th Avenue Contact us

Suite 400

Size
25,369 SF
Type
Office
Availability
Available
4th Floor
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Suite 1010

Size
9,644 SF
Type
Office
Availability
Available
Floor 10
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Suite 1140

Size
6,395 SF
Type
Office
Availability
Available
Floor 11
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Suite 200

Size
10,727 SF
Type
Office
Availability
Available
Floor 2
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Suite 2300

Size
16,180 SF
Type
Office
Availability
Available
Floor 23
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Suite 2350

Size
6,416 SF
Type
Office
Availability
Available
Floor 23
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Suites 2300 + 2350

Size
22,596 SF
Type
Office
Availability
Available
Floor 23
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Suite 2800

Size
5,742 SF
Type
Office
Availability
Available
Floor 28
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Suite 300

Size
2,631 SF
Type
Office
Availability
Available
Floor 3
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Suite 303

Size
2,094 SF
Type
Office
Availability
Available
Floor 3
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Suite 510

Size
9,179 SF
Type
Office
Availability
Available
Floor 5
Contact us
Listing Agency: CBRE
Listed By: Laura Ford
Source: Cbre
Added: Nov 22, 2025 Changed: Sep 4 Last Checked: Sep 4 at 2:21AM

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.

Century Square, a 30-floor commercial office building, offers efficient and well-designed workspace in a central Seattle location. The property, encompassing 614,723 square feet, has undergone a recent $10 million lobby renovation and is LEED-EB Silver Certified. It features 11 high-speed passenger elevators, on-site parking, and 24-hour security. Building hours are Monday-Friday from 7:00 a.m. to 6:00 p.m. and Saturday from 9:00 a.m. to 1:00 p.m. The building provides sweeping views of the Sound, mountains, and surrounding cityscape. Tenants have access to state-of-the-art conference facilities with a catering kitchen, a fitness center with locker rooms, showers, and towel service, and secure bike storage. Food options include a New Yard House restaurant, a food court featuring Starbucks and Chipotle. The building also features recently upgraded lobbies and common space art installations. On-site building management and banking/ATM services are available. Natural light is present on all floors. The location provides convenient access to Highway 99 and Interstate 5, and is close to Metro bus stations, the transit tunnel, Link Light Rail, and the South Lake Union Streetcar.

Key Highlights

  • Prime central Seattle location with convenient access to major transportation routes.
  • LEED‑EB Silver Certified, indicating energy efficiency and sustainability.
  • Recently renovated with a $10 million lobby upgrade and upgraded lobbies throughout.

Property Analytics

Current Use

Chase Mortgage Loan Service Davis Wright & Tremaine ... Law Firm PRR Advertising Agency Advanced Dentistry at Century ... Dental Office N C Soft ... (Bike/Boat/Book/etc) Store

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Pet Grooming Service Electrical Service Pet Store Pet Store & Service Butcher

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

20,199
Businesses Nearby

Demographics for 98101, WA

16,237
Population
13,193
Households
1.2
Avg Household Size
36
Median Age
71%
College-Educated
96%
High-School Grad
0.5 sq mi
ZIP Area
32,474
Density / Sq Mi
$128,143
Median Household Income
$106,620
Median Earnings
$2,476
Median Rent
$741,400
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
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Frequently Asked Questions

What type of property is this?
Office building - 30-story office building with modern amenities and convenient transit access.
Where is this office building located?
The property is located at 1501 4th Avenue Seattle, WA.
What are key features of this property?
This property features: Prime central Seattle location with convenient access to major transportation routes.; LEED‑EB Silver Certified, indicating energy efficiency and sustainability.; Recently renovated with a $10 million lobby upgrade and upgraded lobbies throughout.
More about this property
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