The Senate's increase of the SALT deduction cap to $40,000 for 2025–2029 benefits high-tax states like NY, CA, and NJ by improving housing affordability and boosting demand, especially in suburban areas. Middle-to-upper-middle-class homeowners gain the most, enhancing mortgage affordability and investment potential. Key opportunities lie in undervalued suburbs and multifamily housing, while urban luxury markets face income phaseouts. The 2030 sunset calls for strategic, medium-term investments.