There's also increasing a lot of supply. Without building.
The biggest problem in the country is that investment capital is swooping in any buying any valuable property up and re-selling it for a lot more OR renting it out for a lot.
Because investment is just buying everything for cash, they don't really care.
We need a massive tax on investment property, something that'll require the house to become completely unaffordable to re-sell, so investing will have negative returns due to taxation.
Then suddenly a ton of houses will fly back on the market because investors will be trying to dump inventory.
ALSO property taxes can help: If you live in a house, your property tax is identical to today. If you don't, your property tax is say 10x'd.
Being a real-estate investor won't be very lucrative. Meanwhile this won't affect regular homebuyers since they won't have this tax.