Simple answer
Total collapse and locking up of the market.
Nobody will be able to afford the Fire and/or Mortgage Insurance. If you have say a $500,000.00 home and the only thing available is FAIR PLAN. That only covers 75%. So on top of the 20% down payment. You’ll also be required to have the difference between the FAIR PLAN and the amount of the mortgage. How many people will have $100k for the 20% down and another 100k to make up the difference in insured value?
Let’s not forget, the FAIR PLAN is already upside down and is seeking a 50% increase in premiums to make up for the insured losses and keep the program from becoming insolvent.
Finally, if/when the market does collapse and said $500,000 house that has property taxes at 1.75% of assessed value is only now worth $250,000.00 the property owner is going to get a reassessment from the county assessor like what happened from 2007-2012. Their will only crater the LG tax base which in turn, put increased pressure on LG budgets. Last time this happened PERS went from high 70% range funding to high 60% range funding.
This cascading event will have the potential to do what the GREAT RECESSION didn’t do, bring down entire state governments.