1% of price the year purchased.

200k would be 2k taxes and add 2%./year after that

Every town is different big cities more, small rural places less (generally)

Right now equally built homes would be 50% more in base value and base tax year.

So a home alone of say 2000 sq ft would hold 500k base year tax value (assuming $250/sq ft.for construntion) and tax would be 5000. mow that can be + or - depending on how the home is finished, if the place is on acreage or a lot and accessory structures would add also
CA has Proposition 13 protection that was voted in years ago. People bought a home in the 60's and as values went up were assessed more and more until being taxed out of their homes. Especially prevalent in the large cities and suburbs of LA or Bay Area.

In our case we bought when values were low and our tax is lower than a similar home down the road in far worse shape (needs roof residing, no shop) bought last year and his taxes are 30% higher than ours.