Belltown condominium between Seattle Center and the waterfront.
3104 Western Avenue · Belltown · Seattle
Building note: An August 2006 presales article forecast completion in spring 2007, but actual built records and later specialist coverage date the finished building to 2008. The original 2006 presales article and recent NWMLS-derived listings report 116 homes. Some later specialist marketing reported 161, which conflicts with those records.
Belltown's experimental mid-rise at a three-way intersection
Trio arrived on Western Avenue in the mid-2000s wave of Belltown condominium development, with a more playful, accessible character than a luxury tower. Its busy location near Denny Way and Queen Anne Avenue put it close to Seattle Center and the northern waterfront, but also presented real street-level noise and view constraints. An August 2006 presales story documented the original design language: cork or bamboo floors, glass-tiled bathrooms, metal details and sliding glass walls. Those choices give Trio a distinct history that is more interesting than the usual 'modern condo near restaurants' description.
Trio building exterior
A memorable floor plan
Two-story live/work-style lofts at street level
Early descriptions of Trio identify a mix of compact single-level homes and two-story ground-floor loft arrangements. Combined with the original sliding-glass partitions, the layouts suggest a development team experimenting with how small urban spaces could adapt to work and home life. That does not itself establish legal permission for commercial use or any particular business. Check the recorded unit type and governing documents before relying on a live/work claim.
The people and timing
Triad and Clark Design Group during the condo rush
A 2013 building review credits Triad Development and completion in 2008; independent specialist records identify Clark Design Group as architect. A contemporary 2006 sales preview described the project as planned for roughly 116 homes over six stories. Some later property profiles instead list 161 homes or seven to eight stories, despite more recent NWMLS-derived records returning to 116 and six. The original count and current assessor-linked data offer stronger support for 116 than the inconsistent secondary marketing figures.
Material choices
Bamboo, cork and sliding glass
Before construction, the developer's sales materials described bamboo or cork flooring, glass bathroom tile, metal accents and movable glass room dividers. The palette is very much of its era, when downtown condo designers were experimenting with warm sustainable-looking materials and flexible, less enclosed interiors. These features are interesting architectural history, but a unit that has been remodeled may contain none of them. Buyer-facing material should never imply an original finish still exists without photographs or inspection.
The street condition
The intersection was always part of the compromise
Contemporary commentary highlighted the junction of Denny Way, Western Avenue and Queen Anne Avenue as both an exceptionally convenient address and a potential source of noise. The building is relatively low compared with nearby towers, so some views may be blocked by adjoining structures. That is not a defect unique to Trio: it is what happens when density, access and lower-rise urban design meet. Walk the exact block during commute and evening hours and test the windows from the residence itself.
Living in a smaller building
One lounge and one roof can go a long way
Historical building profiles describe an owners' lounge or game room, an entertaining area with kitchen, a theater-style space and a roof terrace with barbecues. Unlike the amenity package at a 40-story luxury building, the emphasis is on approachable shared spaces for a smaller community. Current availability, equipment and reservation policies must be confirmed with the association. A roof-deck photograph from years ago does not prove a particular amenity's present condition or operating schedule.
The range of homes
Not every Trio residence feels like the next
Early marketing covered studios, one- and two-bedroom plans, plus open loft forms. The two-story street-level arrangements can provide very different furniture, privacy and sound conditions from an upper-floor apartment. Even within the same size category, a home oriented toward the busy intersection will feel unlike a quieter courtyard or rear-facing configuration. Ask for actual dimensions and building records, particularly for mezzanine spaces and whether reported square footage matches the usable layout.
The long-term picture
An honest guide looks beyond the design brochure
Trio is now an established building, not new construction. That makes roof and envelope maintenance, insurance, reserves and the association's current financial planning as important as the original material palette. Modern listing records generally identify 116 community units and a 2008 build year, but the sale of any particular property still depends on its legal description, allocated parking or storage and actual interior condition. This is a building worth judging home by home, not by a stock amenities list.
Good to know
Before choosing a home here
01Verify any street-level loft's permitted use and correct recorded area; a two-level layout is not proof of commercial zoning.
02Visit during traffic periods and test the actual window and balcony exposure before relying on view or quiet claims.
03Review current HOA documents, parking/storage rights, roof-deck operating rules and capital maintenance.
Architecture and project-history references describe the original design. Current amenity access, financial condition, building rules and individual property features must be verified from the latest association and listing records.
Homes for Sale
Currently available at Trio
Explore available homes, photography and pricing from the live NWMLS feed.
Pinnacle GroupLuke Bartlett
Windermere Mercer Island
Listing data is provided by Northwest Multiple Listing Service (NWMLS) through IDX Broker. Information is deemed reliable but not guaranteed and must be independently verified.
Building amenities
Secure parking
Resident lounge
Rooftop deck
Parking
Secure parking
Amenities are reported in public building and listing sources. Confirm current access, reservations, fees, and any parking or storage assignment with the association.
Rental & Leasing
Leasing at Trio
Rental cap
No building rental cap · publicly reported
Minimum lease
Current HOA documents required
Short-term rentals
Current HOA documents required
More rental details+
Cap status / waitlist
No building rental cap publicly reported
Subleasing
Current HOA details required
Lease / registration
Current HOA details required
Rental / move-in fees
Current HOA details required
Background checks
Current HOA details required
Source status
Needs verification
Last verified
August 10, 2026
Leasing rules and availability may change. Confirm current terms with the condominium association before purchasing or leasing.
What Buyers Should Know
Due-diligence checklist
Resale certificate
Reserve study
Budget and financial statements
Insurance
Assessments
Capital projects
Litigation
Rental rules
Owner occupancy
Financing / warrantability
Parking and storage rights
View / future development
Building systems and age
What Sellers Should Know
Who you compete with
Sellers compete with current same-building inventory, similar stacks, floor height, views, parking, condition, amenities and nearby buildings.
Association rental and leasing rules, rental caps, current cap availability, waitlists, minimum lease terms, fees and short-term-rental policies can change at any time. Information should be independently verified through the current resale certificate, declaration, rules and regulations, association management and applicable City of Seattle requirements before purchase or lease.
