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 Various retrofit methods exist, each with distinct approaches but unified by a common goal: seismic resilience. Popular techniques include unique moment frames, wood frame shear walls, prefabricated shear walls, steel beams, and steel cantilever columns. 

 SMFs reinforce more significant soft-story buildings by installing frames connected to new foundation footings. There are more cost-effective solutions, and unique moment frames should be considered only when necessary. 

 Shear walls offer cost-effective engineering solutions, resisting lateral forces during earthquakes by preventing easy bending. Anchored to existing wall segments and the foundation, they prevent separation and collapse, effectively distributing the building's weight. 

 Steel shear walls, manufactured by industry leaders like Simpson Strong-Tie and MiTek Industries, offer robust reinforcement similar to wood-framed shear walls. Resistant to lateral forces, they're ideal for low-clearance parking areas, ensuring tenant parking safety and structural integrity. 

 Steel or grade beams function like shear walls, supporting the building's weight on the foundation. While effective, this retrofitting method may incur higher costs due to using quality steel for beam construction. 

 Cantilever I-Beams are a top choice for retrofitting, particularly for smaller buildings with sound wood frames. However, pressure from the wood components against the steel columns can lead to potential damage or breakage during earthquakes.