What Are the West Main Tower 1 Sale Terms?
West Main Tower 1 is being marketed as a fee-simple sale. The fully leased, 364,868-square-foot building is reportedly under contract for about $340 million, or $931.84 per square foot.
Sale structure
Newmark is the exclusive advisor and marketing representative for the property. The tower was listed in February 2026 without a publicly disclosed asking price.
The reported transaction value reflects later deal activity, rather than an announced initial price. It is substantially above the $140.9 million assessed value cited in early coverage.
The building is leased to Amazon on a long-term, net-lease basis, providing the buyer with an existing tenant and contracted occupancy. Tower 1 is fully leased to Amazon.
Closing timeline
October 2026 reporting described the sale as pending, with closing expected in the fourth quarter. Final details were still being worked through, and early reports had not publicly confirmed a finalized buyer.
Completion remained subject to the sale process and closing steps.
Bellevue’s luxury market has also seen record-setting property valuations, including a mansion listed for $79 million.
What Makes West Main Tower 1 Distinctive?
Beyond its reported sale terms, Tower 1 stands out for a façade designed to shift in appearance with changing light and viewing angles.
Nicknamed “Push Pull,” the tower uses a gridded mullion system and 10 panel types to create depth across its exterior.
Fins with subtly varying depths form a graduated pattern, producing a wave effect across city-facing elevations.
The treatment gives Tower 1 a distinct design identity within West Main’s three-building campus.
Anodized stainless steel is a defining material, including cool blue-toned elements.
A stainless steel mosaic wall, reported to comprise roughly 65,000 tiles, adds a reflective surface inspired by natural elements.
Large graphic patterns at street level further distinguish the tower.
Together, the layered panels, fins, and mosaic create an exterior that reads differently as illumination and viewing angles change throughout the day.
Bellevue’s commercial growth is also reflected in its $25.2 million sale of a vacant 96,500-square-foot office building.
Why Is Amazon’s Lease Key to the Sale?
Because Tower 1 is fully leased to Amazon on a long-term basis, its sale is centered on contracted income rather than the uncertain prospect of filling vacant space.
For a buyer, the lease reduces near-term leasing risk and makes cash flow easier to assess. Marketing materials identify Amazon as an investment-grade tenant, strengthening confidence in rent payments and financing.
Amazon’s AWS operations also anchor the building’s role as a Bellevue hub.
- Predictability: Contracted rent offers long-term income in a volatile office market.
- Simpler oversight: Single-tenant occupancy can streamline underwriting and asset management.
- Operational evidence: Amazon has moved teams into upper floors of the 2023 building.
Together, these factors make the tower more marketable to institutional investors than vacant or partially leased offices. They also support interest in a transaction near $340 million.
Why Is the Sale Price Above Assessed Value?
A sale price above assessed value does not necessarily signal an inflated deal. County assessments are designed for taxation, while buyers typically price commercial properties based on expected income, lease security and market demand.
A tax assessment may also lag changes in occupancy, rents and buyer interest.
For an Amazon-leased tower, dependable rent can reduce vacancy risk and support stronger cash-flow projections than the public valuation reflects. Institutional buyers often place substantial weight on a national-credit tenant and a long-term lease, valuing the building as an income-producing asset rather than by its tax roll figure.
Limited availability of large, fully leased Bellevue towers can add a market premium. Comparable Amazon-occupied properties have sold above assessed value, suggesting investors will pay more for scarce, stabilized assets.
The gap may also reflect expectations for future appreciation and refinancing potential, not simply the building’s physical cost.
What Could the Sale Mean for Bellevue Offices?
The near-$340 million sale of an Amazon-leased Bellevue tower could reinforce investor confidence in premium office buildings, even as downtown vacancy remains elevated.
Three signals for Bellevue’s office market
1. A price benchmark: The transaction could reset expectations for fully leased, high-quality towers after downtown office valuations fell by a reported $1.61 billion from 2022 to 2025.
2. A stabilizing vacancy picture: Office vacancy reached 23.7% in Q3 2026, but 755,000 square feet was leased and awaiting occupancy.
Leasing activity had matched all of 2018 by Q3, while forecasts point to vacancy easing toward 19% or below 20% within a year if absorption continues.
3. A sharper divide: Amazon’s continued presence may support rent stability and investor confidence in Class A buildings.
With no new Eastside office deliveries expected in 2026, tenant-ready premium space could hold attention as weaker properties face greater pressure.
Assessment
The pending sale of West Main Tower 1 will put a high-value Bellevue office asset in focus as Amazon’s lease supports the transaction. Its outcome may offer a limited but closely watched signal of investor appetite for well-leased properties amid wider office-market uncertainty.
The deal’s significance will depend on its final terms and whether the tower’s pricing can be sustained beyond a single tenant-backed transaction. For Bellevue, the sale will mark a consequential benchmark, not proof of a broad office recovery.
