The article is dedicated to the construction history of the Kazan church in the village of Bolshaya Fyokhtalma in Onezskiy district, Arkhangel region. The church was built from 1903 to 1907 as designed by the local architect A. A. Karetnikov. By the early 21st century, Kazan church in Bolshaya Fyokhtalma has remained practically the only evidence of the architect’s unique approach to church construction in the Russian North. A. A. Karetnikov is known predominantly as a wooden architecture restorer. The article is based on archives dedicated to the construction of the Kazan church in Bolshaya Fyokhtalma and on A. A. Karetnikov’s work as a local architect. The article includes detailed architectural drawings, that were done in the course of two expeditions conducted in 2019.