Step 1.
Riverside county parcel owner mailing address is free. No contract no fee.
They told me they disable the public free access since.
They remove owner info from free download dataset since.
You have to email the gis lady at the time for that.
Step 2.
San Bernadino county owner mailing address is not free,
you have to sign contract with county and pay about $50 each month.
Step 3.
Orange county owner mailing address,
I get it from corelogic by paying annual fee. I am not sure how much is it at the time.
Step 4.
Los Angeles County parcel owner mailing address isn't free.
It is about $50 for county wide parcel owner each month.
https://assessor.lacounty.gov/real-estate-toolkit/data-sales
call or email them, they will give you sample, fill out form to set up order.


Step 5.
street name is parcel physical address,
M street name is owner's mailing address.
For example this owner does not living on his house,
owner's mailling address is different than house address.

Step 6.
owner name

Step 7.
situs address is house physical address
owner may not live in situs address,
that is why mailing address may different from situs address

Step 8.
join parcel with excel by apn

Step 9.
join parcel with excel by apn

Step 10.
in order to make excel owner name, becomes permanently as part of parcel layer attribute,
export Parcel layer to a new layer parcel_owner

Step 11.
new parcel_owner layer, owner is show up.

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