So as long as the proceeds from the sale go into a similar type of property/business then you can defer taxes for a future date.
[0]:https://www.irs.gov/newsroom/like-kind-exchanges-under-irc-c...
Their taxes are ~$5k; mine are ~$9k. Some of that is certainly from the purchase price as assessed in 2010, but at least $2k is for the couple minor things I've pulled permits for where the city's reassessed us each time and jacked them up.
I'm about done pulling permits.
Although, at this point all starter homes that go on sale in our city are being purchased by developers, torn down and rebuilt.
I suspect having to pay capital gains taxes on appreciation over > $500k is a way bigger barrier to moving.
e.g. Even if you can't basis transfer, imagine you bought for $500k 20 years ago; it's now worth $1.5M. You should be paying $19k a year in property taxes, instead you are paying maybe $9k.
That extra $10k year going forward is not all that much (16 years of time to matter!) compared to the 33%*$500k = $165k in cap gains taxes you will owe on the sale.
Prop13 keeps people in starter homes for much longer.
Anyone older than 55 is allowed to transfer their basis to a new property
Not all CA counties allow that, to my knowledge.