Search
Class A Office Building with Column-Free Plates
For Lease
Contact for pricing

1800 9th Ave, Seattle, WA 98101

Class A office building offering flexible, column-free floor plates, a rooftop terrace, and on-site parking garage.

Space Size19,974 SF
Days on Market589

Property Features for 1800 9th Ave

General Information

Standard status Active
Size 19,974 SF
Class A
Property subtype OFFICE

Amenities

Welcoming lobby with on-site 24/7 security personnel
Sustainable features underway, LEED Silver certification and upgraded building systems
Flexible, column-free floor plates with center core systems
Tenant exclusive luxury amenities floor - L4
On-site five level parking garage
Open air rooftop terrace
Bike storage and repair station

Spaces For Lease

at 1800 9th Ave Contact us

Market Ready Offering ~20K SF Vanilla Box

Floor
16
Size
19,974 SF
Type
OFFICE
Rate
Contact for pricing
Lease Type
OTHER
Availability
AVAILABLE
Sublease
No
• Welcoming lobby with on-site 24/7 security personnel for peace of mind and protection •...
show more
Contact us
Listing Agency: Colliers International WA, LLC
Listed By: Geoff Pendergast
Source: Moodyscre
Added: Jan 1, 2025 Changed: Aug 8 Last Checked: Aug 12 at 11:54AM

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 Colliers International WA, LLC

Investment Insights

Based on property information with market context.

This Class A office building features a welcoming lobby with on-site 24/7 security personnel. Interior layouts include flexible, column-free floor plates with center core systems. Building improvements underway include sustainable features with LEED Silver certification, along with upgraded building systems.

Tenants benefit from a tenant-exclusive luxury amenities floor on level 4 (L4). The property also offers an open-air rooftop terrace, plus bike storage and a repair station for sustainable commuting. On-site parking is provided through a five-level parking garage with above-market parking availability.

At 19,974 SF, the building is designed to support flexible office use with amenities that extend beyond the typical workday.

Key Highlights

  • On‑site 24/7 security personnel in a welcoming lobby
  • LEED Silver certification and upgraded building systems with sustainable features
  • Flexible, column‑free floor plates with center core systems

Property Analytics

Current Use

Regence BlueShield Insurance Agency Cambia Grove Association Or Organization Nacht Gary H Law Firm Gifford Joseph MD Physician SemaConnect Charging Station Electric Vehicle Charging Station

Suggested Use

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

18,095
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

$32.75 /SF/Yr
Avg Asking Price
$22–$42.5 /SF/Yr
Price Range
32,434 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
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Office building - Class A office building offering flexible, column-free floor plates, a rooftop terrace, and on-site parking garage.
Where is this office building located?
The property is located at 1800 9th Ave Seattle, WA.
What are key features of this property?
This property features: On‑site 24/7 security personnel in a welcoming lobby; LEED Silver certification and upgraded building systems with sustainable features; Flexible, column‑free floor plates with center core systems
(425) 462-6950 Call to check price and availability
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message