Selected Projects
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- ACT Theatre Renovation
- Allen Institute for Brain Science Tenant Improvement
- Bellevue Art Museum
- Bill & Melinda Gates Foundation Campus
- Bill & Melinda Gates Foundation – Miscellaneous Projects
- Bill & Melinda Gates Foundation Visitor Center
- Blessed Sacrament Parish Remodel
- Cornish College of the Arts, Sculpture & Visual Arts Renovation
- Edmonds Center for the Arts
- FareStart Restaurant and Training Facility
- KEXP’s New Home
- KING FM TI
- Museum of History & Industry (MOHAI)
- Museum of Flight
- Museum of Flight, Aviation Pavilion
- Museum of Flight, B52 Memorial
- Museum of Flight, Expansion
- Museum of Flight, Pedestrian Bridge
- Museum of Flight, Space Gallery
- Nathan Hale High School Performing Arts Center
- Northwest Boychoir & Vocalpoint! Seattle
- Pacific Northwest Ballet – Francia Russell Center
- Paramount Theatre Renovation
- Pike Place MarketFront
- PONCHO Forum at Seattle Repertory Theatre
- Rainier Vista Boys & Girls Club
- Seattle Art Museum Expansion
- Seattle Art Museum “Mirror” Exhibit
- Seattle Art Museum Olympic Sculpture Park
- Seattle Prep, Our Lady of Montserrat Chapel
- Seattle Storm – Center for Basketball Performance
- Seattle University Lee Center for the Arts
- St. Mark’s Cathedral
- Station Space
- Tacoma Art Museum, Haub Family Gallery Addition
- The Triple Door
- Treehouse Office Building
- Vashon Center for the Arts
- Woodland Park Zoo
- Woodland Park Zoo, 1899 Grove
- Woodland Park Zoo – Forests for All
- Woodland Park Zoo, Komodo Dragon Exhibit
- Washington State University – Brelsford Visitor Center
- Chief Leschi School
- Cornish College of the Arts, Sculpture & Visual Arts Renovation
- Epiphany School Expansion & Renovation
- Nathan Hale High School Performing Arts Center
- Pacific Lutheran University, Morken Center for Learning and Technology
- Seattle Prep Peyton Hall Renovation
- St. Thomas School
- St. Thomas School – Completing our Campus
- University of Puget Sound, Lowry Wyatt Hall and Collins Memorial Library
- University of Puget Sound Science Center
- University of Washington Campus Projects
- UW Alaska Airlines Arena at Hec Edmundson Pavilion
- UW Montlake Triangle
- UW Red Square
- UW Conibear Shellhouse Renovation & Addition
- UW Foster School of Business, Dempsey Hall
- UW Foster School of Business, PACCAR Hall
- UW Medicine Phase 2
- UW Medicine Phase 3.1
- UW Tacoma Learning Commons and Engineering Renovation
- CHI Franciscan Health, Family Medicine Clinic
- CHI Franciscan Health, Point Ruston Clinic Renovation
- Franciscan Medical Pavilion Bonney Lake
- Group Health Eastside Hospital
- Mountlake Terrace Campus Refresh, Annex
- Mountlake Terrace Campus Refresh, HUB
- MultiCare Health System, Covington Emergency Department
- MultiCare Covington Hospital
- MultiCare Health System, Tacoma General Inpatient Pharmacy
- MultiCare Health System, Milgard Pavilion Expansion
- MultiCare Health System, Tacoma Rainier Tower
- Providence Monroe Medical Building
- Seattle Children’s Hospital
- Seattle Children’s Hospital, Bellevue Clinic & Surgery Center
- Seattle Children’s Hospital, Forest B
- Seattle Children’s Hospital, Friends of Costco Building
- Seattle Children’s Hospital – Miscellaneous Projects
- Seattle Children’s Hospital – NICU Remodel
- Seattle Hand Surgery Group Renovation
- St. Anthony Hospital – Miscellaneous Projects
- St. Anthony Hospital and MOB
- St. Anthony Hospital Replacement
- St. Clare Hospital, East Wing Expansion
- St. Elizabeth Hospital
- St. Joseph Medical Center 4th Floor Remodel
- St. Joseph Medical Center, Intensive Care Unit
- Swedish, Edmonds Ambulatory Care Center
- Swedish First Hill – Enabling and Make-Ready Work
- Swedish, Lytle Center for Pregnancy and Newborns
- Swedish Medical Center, First Hill Campus
- Swedish Medical Center, Issaquah Campus
- Swedish Medical Center, Orthopedic Institute
- Swedish Medical Center – Reid Family ITU
- Swedish, True Family Women’s Cancer Center
- The Polyclinic Madison Center & Marion Parking Garage
- Helen Sommers Building
- 1100 Eastlake
- 1525 11th Avenue
- 1918 Eighth Avenue
- 1918 Eighth Avenue, Tenant Improvement
- 2201 Westlake / ENSO
- 4545 Roosevelt Way
- 909 A Street – Multiple Tenant Improvements
- 9th and Thomas
- Aleutian Spray Fisheries, Emerald Landing
- Rufus 2.0 – Amazon HQ
- AT&T Redmond Town Center Campus
- Bill & Melinda Gates Foundation Campus
- Boston Consulting Group Tenant Improvement
- Brooks Running Headquarters
- Building 42, Tenant Improvement
- Building 92
- Cascadian
- Century Square
- US Bank Centre
- Classmates Tenant Improvement
- Columbia Bank Center
- Committee for Children TI
- Federal Center South
- Filson Headquarters
- Fisher Plaza
- GSA Region 10 Relocation
- Jewish Family Service, Capitol Hill Addition
- Key Center
- PATH Headquarters Tenant Improvement
- Amazon – Doppler Tower
- Amazon – Day One Tower
- Amazon – re:Invent Office Tower
- Amazon – The Spheres
- Russell Investments Headquarters Tenant Improvement
- UW Tower
- Centre 425
- Madison Centre
- 501 Fairview
- Sellen Construction Headquarters
- TOTE Tenant Improvement
- Treehouse Office Building
- Vulcan Blocks 26W & 32
- WaMu Tower
- Watermark Tower
- West 8th Tenant Improvement
- West Lake Union Center
- 1918 Eighth Avenue, Tenant Improvement
- 2201 Westlake / ENSO
- 901 Fifth Avenue Lobby Renovation
- 909 A Street – Multiple Tenant Improvements
- ACT Theatre Renovation
- Allen Institute for Brain Science Tenant Improvement
- Alliant Tenant Improvement
- AT&T Redmond Town Center Campus
- Boston Consulting Group Tenant Improvement
- Brooks Running Headquarters
- Building 42, Tenant Improvement
- Building 92
- Classmates Tenant Improvement
- Committee for Children TI
- Cornish College of the Arts, Sculpture & Visual Arts Renovation
- DaVita Tenant Improvement
- F5 Tower Tenant Improvement
- FareStart Restaurant and Training Facility
- Filson Headquarters
- CHI Franciscan Health, Point Ruston Clinic Renovation
- GSA Region 10 Relocation
- Inn at the WAC Renovation
- Jewish Family Service, Capitol Hill Addition
- KEXP’s New Home
- KING FM TI
- Mountlake Terrace Campus Refresh, Annex
- MultiCare Health System, Tacoma General Inpatient Pharmacy
- NanoString Tenant Improvement
- Northwest Boychoir & Vocalpoint! Seattle
- Parkshore Remodel
- PATH Headquarters Tenant Improvement
- Russell Investments Headquarters Tenant Improvement
- Centre 425
- Seattle Hand Surgery Group Renovation
- Seattle Prep Peyton Hall Renovation
- Seattle Sounders, The Ninety
- Seed IP Tenant Improvement
- St. Anthony Hospital – Miscellaneous Projects
- St. Clare Hospital, East Wing Expansion
- St. Joseph Medical Center 4th Floor Remodel
- St. Joseph Medical Center, Intensive Care Unit
- St. Mark’s Cathedral
- Station Space
- Stoel Rives Tenant Improvement – Phases I & II
- Swedish, Lytle Center for Pregnancy and Newborns
- Swedish Medical Center, Orthopedic Institute
- Swedish Medical Center – Reid Family ITU
- Swedish, True Family Women’s Cancer Center
- Tetra Tech TI
- The Triple Door
- TOTE Tenant Improvement
- Treehouse Office TI
- Unicorn Tenant Improvement
- WaMu Tower
- West 8th Tenant Improvement
- Wild Ginger at The Bravern
- Woodland Park Zoo, 1899 Grove
- Woodland Park Zoo, Komodo Dragon Exhibit
We work with world-class private and public companies, organizations and institutions that make the Pacific Northwest their home. From high-rises and hospitals, to historic renovations and high-tech facilities, Sellen has delivered some of the region’s most important projects. Our clients tell us that over the years we have become more than a trusted and innovative construction company – they consider Sellen a strategic partner and valuable member of their development team.
Sellen builds a variety of project types, including but not limited to:
- Arts, Culture & Non-Profit
- Education
- Healthcare
- Historic Renovation
- Hotel
- Life Science
- Mixed-Use
- Office
- Residential
- Large and Small Tenant Improvements
- Sports Facilities
LEED certified projects and counting.
Building one-of-a-kind projects.
Working to reduce our footprint and increase efficiency in all we do.
We do what’s right for the project and have fun while we’re at it!
Since building our first job in 1944, we’ve completed more than 700 projects.
Design-build, IPD or negotiated, we have the expertise to bring value at every step.