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Architecture services in Renton, WA. Custom homes, home additions, ADUs, and renovation along the south Lake Washington corridor. Free consultation. Call 425-753-6452.

Designing a detached garage in Seattle. Size limits, setbacks, permit requirements, and how to design for future ADU conversion. By Piper Cole Architects.

Guide to tiny homes and small house design in Seattle for 2026. ADU vs. tiny home vs. manufactured home — what is permitted, what it costs, and what an architect can design.

Accessible design and aging-in-place strategies for Seattle homeowners. Universal design features, ADU options, permits, and working with an architect on accessible renovation.

Navigating HOA and neighborhood design review for home additions in Seattle, Sammamish, Issaquah Highlands, and other communities with design standards.

Mass timber architecture in Seattle: what it is, where it is being used, structural benefits, sustainability credentials, and costs. By Piper Cole Architects.

Guide to commercial renovation permits in Seattle for 2026. Tenant improvements, change of occupancy, ADA requirements, and working with a commercial architect.

Designing and permitting a restaurant in Seattle. Kitchen layout, fire suppression, ADA, health department approval, and realistic build-out costs for 2026.

Architect first or contractor first? The answer for Seattle homeowners depends on your project. A practical guide to sequencing professional hires for renovations.