Ryan Flattery - Portland Architect
Specializing in Portland Zoning, ADUs, and Modern Residential Design
Designing for the Pacific Northwest
Ryan Flattery founded Cascade Studio with a simple mission: to demystify the complex process of building in Portland. With over 12 years of architectural experience, Ryan specializes in navigating Multnomah County zoning codes, environmental overlays, and the specific challenges of the Residential Infill Project (RIP).
Whether maximizing a small lot with a detached ADU in North Portland or managing a commercial tenant improvement in the Pearl District, Ryan creates spaces that are sustainable, cost-effective, and deeply connected to their environment.
Design Philosophy
"Modern, Sustainable, Context-Aware."
Service Areas
Portland, Beaverton, Lake Oswego, Oregon Coast.
Education & Credentials
Licensed Architect (Oregon), NCARB Certified, University of Oregon.
Navigating Portland's residential zoning codes can be complex. At Cascade Studio, we simplify the process. Whether you are planning a ground-up custom home, a garage conversion ADU, or a major kitchen remodel, we handle the technical details so you can focus on the design.
We specialize in:
- ADU Architecture: Maximizing your property value with detached and internal accessory dwelling units.
- Residential Remodels: Modernizing historic Portland bungalows while preserving their character.
- Feasibility Studies: Helping you understand exactly what you can build on your lot before you break ground.
What We Do
Discover our range of professional services and innovative solutions.
Commercial New Construction
Expert commercial architect in Portland offering ground-up design for retail, office, and mixed-use buildings. We navigate zoning to maximize your investment.
Commercial Tenant Improvements
Transform your Portland business space with Cascade Studio. Specializing in Tenant Improvements (TI) that blend brand identity with code-compliant design.
Residential New Construction
Design your dream home in the Pacific Northwest. We create sustainable, site-specific custom homes tailored to the unique topography of Portland, Oregon.
Residential Additions
Need more space? We design seamless home additions in Portland that respect your existing architecture while providing the modern functionality you need.
Residential Remodels
Revitalize your Portland home. From historic bungalow restorations to modern whole-house remodels, we bring new life to older properties.
Accessory Dwelling Unit (ADU) New Construction
Maximize your property with a custom detached ADU. We are Portland’s experts in backyard cottages, dealing with all permitting and design requirements.
Get in Touch
We'd love to hear from you and discuss how we can help.