A cremation niche including a concrete masonry block formed as a single unit having an uninterrupted cross section which includes rectangular sides, top and bottom panels and open rectangular front and rear openings providing access into a hollow horizontally disposed interior of the concrete block. The concrete block material consistency and overall outside dimensions are equal to those of a conventional concrete building block. A plastic liner having an open front is snugly fit within and mating against inner surfaces of the concrete block which define the interior. A decorative faceplate covers the front opening, mating with the front surface and against a perimeter of the front opening of the liner.