Seattle Class A Office Market

TL;DR

• Amazon's combined South Lake Union and Bellevue footprint is the largest single-tenant office occupancy in the US.
• Class A trophy waterfront product (Rainier Square, F5 Tower) trades at $65-$75/sqft.
• Headline vacancy is elevated; trophy is tighter than the CBD average.
• Bellevue across the lake has emerged as a true alternative trophy market.

Overview

Seattle's Class A market is bifurcated by Big Tech occupancy decisions. Amazon's HQ campuses in South Lake Union and Bellevue continue to drive the largest single-tenant footprint in the US. Office return rates and the post-2022 tech contraction drive elevated headline vacancy; trophy waterfront product remains relatively tight.

Market snapshot

Composite of Q1 2026 broker market reports for Seattle.

Lease norms

Modified-gross structures with operating-expense pass-throughs. 10-12 year terms standard for trophy. Free rent of 12-18 months and TI of $100-$150/sqft typical on a 10-year deal.

Transit & access

Sound Transit Link light rail (1 Line) extended in 2024 to Lynnwood; East Link to Bellevue / Redmond opening 2025-26. Streetcar serves South Lake Union. King County Metro bus network anchors local commute.

Tax

21% federal corporate income tax. No Washington State corporate income tax. Washington B&O tax applies to gross receipts (rates vary by activity). Seattle JumpStart payroll expense tax applies to tenants with $7M+ payroll.

Talent

Deepest cloud, AI, and SaaS engineering talent pool in North America. UW and a deep network of T-1 engineering programs feed. Cost-of-living advantage versus Bay Area is structural.

Notable Class A buildings

• Rainier Square · CBD — Amazon-anchored trophy.
• F5 Tower · CBD — F5 Networks anchor; ovular silhouette on the Seattle skyline.
• Russell Investments Center · CBD — Former Washington Mutual HQ, now Russell anchor on Second Avenue.
• The Spheres · South Lake Union — Amazon's biophilic conference centerpiece.
• Lincoln Square Bellevue · Bellevue — Amazon-anchored trophy across the lake.

Class A submarkets in Seattle

• Downtown CBD — Trophy waterfront and financial core. (trophy)
• South Lake Union — Amazon's home campus. (trophy)
• Bellevue — Cross-lake trophy alternative. (trophy)
• Pioneer Square — Boutique creative submarket. (prime)
• Redmond — Microsoft's home campus and adjacent inventory. (prime)

Seattle deep-dives

• Rents and incentives — What does Class A rent cost and what concessions are typical?
• Sublease market — How deep is sublease">sublease availability and how does it price?
• ESG and LEED stock — How much certified stock exists and what premium does it command?
• Transit and commute — Which submarkets have the strongest transit access?
• Talent and salaries — What does the white-collar talent pool look like and how is it priced?
• Fit-out costs — What does a Class A fit-out">fit-out cost per square foot?
• Flex vs lease — When does premium coworking beat a traditional lease?
• Taxes and incentives — What corporate, occupancy, and property taxes apply?
• Neighborhoods overview — Which Class A submarkets exist and how do they compare?
• Notable buildings — Which trophy assets define the market?
• Class A vs Class B — What is the spread between Class A and Class B and why?
• Leasing conventions — What lease structures, terms, and concessions are normal?
• Expansion checklist — What is the operational checklist for opening here?
• Relocation guide — How do you move into this market from another city?
• Frequently asked questions — Quick answers to the questions occupiers ask most.
• Operating expenses — What service charges, OpEx, and pass-throughs apply on top of rent?
• Growth and availability — How tight is current availability and what does the pipeline look like?
• Sustainability pathways — How do tenants land net-zero or science-based-target leases here?
• Hybrid work policy — How are hybrid policies shaping office demand here?
• Security and redundancy — What security, power, and connectivity redundancy are standard?
• Lab and R&D space — What does R&D-grade or wet-lab space look like in this market?
• Brand experience — How do trophy buildings function as brand experiences and showpieces?
• Fund strategy and flag — Which submarkets carry the strongest investor flag for funds?
• Exit and renewal — How do you handle a Class A renewal or exit cleanly here?
• Market cycle position — Where is this Class A market in its cycle right now?

Seattle — frequently compared

• Seattle vs Austin — Americas HQ shortlist: Austin vs Seattle.
• Seattle vs Boston — Americas HQ shortlist: Boston vs Seattle.
• Seattle vs Chicago — Americas HQ shortlist: Chicago vs Seattle.
• Seattle vs Los Angeles — Americas HQ shortlist: Los Angeles vs Seattle.
• Seattle vs Miami — Americas HQ shortlist: Miami vs Seattle.
• Seattle vs New York — Americas HQ shortlist: New York vs Seattle.

Frequently asked questions

How much vacancy is structural versus cyclical?

A meaningful share is cyclical — driven by the 2022-2024 tech right-sizing — but office return rates in the Pacific Northwest remain among the lowest in the US, suggesting a structural component.

Is Bellevue a true alternative to downtown Seattle?

Yes. Amazon's Bellevue expansion, plus East Link light rail, has structurally re-rated Bellevue as a trophy market on par with downtown Seattle.

What is the Seattle JumpStart tax impact?

JumpStart applies to total Seattle payroll above $7M, taxed at 0.7-2.4% on compensation above $174,337. Material for high-headcount Seattle-based tenants.