Hansen Design | Architecture Firm in Seattle, Washington

From Land Potential to Built Reality.

DEVELOPMENT STRATEGY · MASTER PLANNING · ARCHITECTURE

2311 N 45th Street, Seattle, WA 98103

320 SW Century Drive #324, Bend, OR 97702

WELCOME TO
HANSEN ARCHITECTURE

Hansen Architecture is an architecture firm based in Seattle, WA and Bend, OR working at the intersection of architecture, real estate development, and strategic planning. We help landowners, developers, and investors evaluate opportunities, unlock development potential, and deliver successful commercial and mixed-use projects.

From early feasibility and site planning through entitlements, architectural design, and construction, we connect development strategy with practical design solutions.

Specialties: Retail; Mixed-Use Development · Commercial Master Planning · Development Advisory · Property Repositioning · Site Feasibility · Grocery-Anchored Retail · Town Center Development · Architectural Design, Documentation and Construction Admin; Project Delivery

DESIGNING THE BIG PICTURE
MASTER PLANNING

At Hansen Architecture, we focus on creating long-range frameworks that guide sustainable growth and smart land use. From initial site evaluation and master planning through design, entitlement coordination, and construction, David Hansen brings an owners perspective to the development process — balancing design quality, project economics, constructability, and market demand.

Whether you’re starting with a blank site or looking to reorganize an existing one, we help you define a clear vision and turn it into a practical, scalable roadmap.

Learn More

FEATURED PLANNING PROJECTS

The Waterfront Vancouver

The Steps of Tehaleh

Tanasbourne Master Plan

Lloyd District, Portland

25+ YEARS OF EXPERIENCE
ARCHITECTURE

Our approach extends beyond traditional architectural services. We collaborate with landowners and development teams early in the process to evaluate site potential, establish development programs, assess market opportunities, and create practical, financially informed strategies that support leasing, investment, and long-term asset performance.

David Hansen is particularly interested in building long-term relationships with developers, property owners, and investment partners seeking an experienced architectural and strategic advisor who can help shape opportunities from concept through realization.

Learn More