Nowadays, conventional clay bricks are being replaced with building blocks such as Compressed stabilized earth brick, hollow blocks, autoclaved aerated Concrete blocks fly ash brick, etc. However, the application of compressed stabilized earth and fly ash bricks has increased within the past few years. To determine the seismic performance of these masonry blocks in filled frames, their compressive strength and elastic modulus must be assessed. The elastic qualities of compressed stabilized earth brick masonry prisms and fly ash brick have been assessed in this work. Brick masonry prism samples within 3 and 4 layers had been cast in cement sand mortar at 1:3, 1:4, and 1:6 ratios. These specimens underwent testing for modulus of elasticity and compressive strength. Masonry prism strength of compressed stabilized earth brick is significantly higher than that of fly ash brick, according to an analysis of compressive strength test results. According to the research, compressed stabilized earth bricks also have higher modulus of elasticity than regular brick masonry.