• Photo courtesy of David Papazian

  • Photo courtesy of David Papazian

Terwilliger Plaza, Parkview Expansion

Portland, OR

Project Categories

Portland
High-performing buildings
All-Electric
Housing + hospitality

Business Type

High-rise senior living facility

Size

370,000 square feet

The largest Passive House project on the west coast AND the largest senior living Passive House, this community demonstrates how passive house principles can be scaled up for high-rise construction projects while still balancing cost, resident comfort, and performance.

Architect

LRS Architects

Owner

Terwilliger Members (Resident-Owned)

Project Partner

Walsh Construction

Services

Mechanical engineering

Electrical engineering

Plumbing engineering

LUMA Lighting Design

Sustainability

Certifications

  • Energy Trust of Oregon (ETO) Path to Net Zero
  • Architecture 2030
  • Passive House

Special features

  • EUI of 13, which is lower than the EUI of 18 required for Architecture 2030
  • PV panels on rooftop
  • Superior indoor air quality and thermal comfort
  • All-electric, including heat pump clothes dryers and induction stovetops
  • Heat pump domestic hot water heater
  • Skybridge connects the building to the campus
  • High efficiency VRF mechanical systems
  • High-performance triple-pane windows
  • DOAS with energy recovery for continous 100% fresh ventilation without drafts
  • 27% below code for lighting energy consumption

Media Coverage

Seniors Housing Business: Terwilliger Plaza CCRC in Portland, Oregon Completes $105M Expansion Project

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BD+C: Nation's largest Passive House senior living facility completed in Portland, Ore.

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Cascade Business News: Terwilliger Plaza Senior Living Community Opens Parkview Expansion & Iconic Skybridge in Downtown Portland

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DJC Oregon: Residential campus expansion completed in Portland

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DJC: Portland project comes with connector

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Business Tribune: Parkview expansion reaches skybridge milestone

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AIA Oregon Newsletter: Terwilliger Plaza Installs Groundbreaking SkyBridge

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Construction Dive: Terwilliger Plaza, One of the Largest Passive House Certified Senior Living Buildings in the U.S.

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Portland Business Journal: A 370,000-square-foot tower rises at Terwilliger Plaza in Southwest Portland

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