Yamaichi Architecture
A Hokkaido-based architectural firm specializing in large solid timber homes, timber frame structures, and dovetail log houses in Japan
From custom homes built with natural wood to timber frame residences, dovetail log houses, and steel-frame facilities, we provide architectural design and construction supervision that brings out the full beauty and performance of each material.
SERVICES
Residential Design Services
A first-class architectural office serving clients across Hokkaido
In addition to a wide range of experience in apartments, offices, and commercial facilities, we are deeply committed to timber architecture and support clients seeking high-quality homes and buildings in Japan.
Start with a consultation
Early-stage planning, land conditions, and rough cost guidance
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NEWS
Latest updates and project news
2026.08.12
We are hiring
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2026.08.01
Summer Holiday Closure Notice - Our office will be closed during Obon Week (From 12th August to 16th August)
2026.04.24
Golden Week Closure Notice - Our office will be closed during Golden Week (From 1st May to 6th May)
2025.12.24
A new dovetail log house project is scheduled to begin in Hakone in spring 2026
2025.12.17
Supported the completion of the first dovetail log house in the Tohoku region
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2025.04.07
Launched EASTRIDGE, a Japanese domestic log home brand
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2024.01.24
Established the Japan Timber Frame Association
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2023.10.31
Started construction on the “Dovetail Log Home in Nishiide” project in August 2023
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