It is an annex chapel in the Landvik parish which is part of the Vest-Nedenes prosti (deanery) in the Diocese of Agder og Telemark.

The small concrete and wood chapel was built in a long church style in 1980 using designs by the architect .

[1] Østerhus Church is located in an area of Grimstad that was developed in the early 1980s.

Østerhus Church was originally run by a foundation, but its ownership was handed over to the Landvik parish council in 2002.

Typically, this church holds worship services every other Sunday except during the summer months.