Østerdalen Byggeservice AS is a Norwegian Norgeshus-affiliated builder serving Stor-Elvdal, Rendalen and Åmot. It delivers detached timber-frame homes and cabins from Norgeshus catalogue concepts, with layouts and specifications adapted to project requirements.

The local company manages planning, site coordination, construction and completion, supported by shared design, engineering and procurement resources. Its services also cover extensions, renovation and related timber construction work within the regional market.