1201 Third Avenue Plaza

Seattle, WA

An outdoor plaza provides three levels of shops, services and rooftop gardens with sweeping, unobstructed view of Elliot Bay, the Olympic Mountains and Downtown Seattle.

A multi-level exterior plaza at a high-rise office building located in the heart of Downtown Seattle. This project included demolition of existing mortar set paver system, removal and reinstallation of granite panels at the fountain, permanent pavers and other feature areas. The work involved removal of existing waterproofing system to bare concrete for new Laurenco waterproofing system with PMMA terminations in the fountain, planters, and below the pavers. Installation of new mortar set pavers, new landscaping and irrigation at planters. Construction was performed over occupied tenant and retail spaces in phases allowing for public use and access of the surrounding plaza at all times.

Wright Runstad & Company
ico-office building.2
ico-pen holder.3
Evolution Architecture
10,000 sf
Exterior Renovation, Occupied Renovation


  • Effective waterproofing solutions were developed through team collaboration
  • Phased construction to maintain access for the public at all times

1201 Third Avenue Plaza

A multi-level exterior plaza in the heart of downtown Seattle.

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