Seattle office 206-682-5000

SEATTLE OFFICE 
206-682-5000

Our work

Building Envelope

Investigation, testing and repair of roofs, walls, windows and waterproofing on buildings already standing. We find where water is getting in, document it, and detail the fix.

9 projects

Pier 66 Grand Staircase Replacement, Seattle, WA by Cornerstone Architectural Group Pier 66 Grand Staircase Replacement Location Seattle, WA Completed 2026 View project → Fire Station 87, Granite Falls, WA by Cornerstone Architectural Group Fire Station 87 Location Granite Falls, WA Completed 2025 View project → Terminal 5, Seattle, WA by Cornerstone Architectural Group Terminal 5 Location Seattle, WA Completed 2025 View project → Northshore Senior Center – Exterior Upgrades, Bothell, WA by Cornerstone Architectural Group Northshore Senior Center – Exterior Upgrades Location Bothell, WA Completed 2025 View project → WTCW – Roof Replacement, Seattle, WA by Cornerstone Architectural Group WTCW – Roof Replacement Location Seattle, WA Completed 2023 Value $1.75 million View project → Port of Seattle Pier 66 Roof Upgrades, Seattle, WA by Cornerstone Architectural Group Port of Seattle Pier 66 Roof Upgrades Location Seattle, WA Completed 2025 View project → Net Sheds 3, 4, 5 & 6 Roof Replacement & Net Shed 5 Photovoltaic System, Seattle, WA by Cornerstone Architectural Group Net Sheds 3, 4, 5 & 6 Roof Replacement & Net Shed 5 Photovoltaic System Location Seattle, WA Completed 2018 View project → Cedar River Watershed Education Center Water Intrusion Repair, North Bend, WA by Cornerstone Architectural Group Cedar River Watershed Education Center Water Intrusion Repair Location North Bend, WA Completed ongoing View project → Stanwood High School Building, Stanwood, WA by Cornerstone Architectural Group Stanwood High School Building Location Stanwood, WA Completed 2023 View project →