Where do companies like Costar, Xceligent, etc. get their property owner info?
Specifically, owner's phone numbers. 
[{"id": "dortyuq", "text": "They have an army of new grads working call centers", "replies": [{"id": "dorvhhj", "text": "Can affirm. Get monthly calls requesting info on my buildings and store leases in NYC", "replies": [{"id": "dorvpnw", "text": "How did they get your phone number?\n\nEdit: I'm also in NYC. Do you own any large warehouse properties?", "replies": [{"id": "doudyi7", "text": "They'll usually just put pieces together. Have you worked with a property and listed ANYTHING on the internet? If your number is out there somewhere in the aether, they'll find it and ask you about that property.", "replies": [], "depth": 4}], "depth": 3}], "depth": 2}, {"id": "dosc7wy", "text": "&gt;They have an army of ~~new grads~~ *nearly unemployable slaves* working call centers \n", "replies": [], "depth": 2}], "depth": 1}, {"id": "dorulce", "text": "County Appraisal Districts. Most counties have an online GIS system where you can find a property and it will tell you the owner and appraised value. Some counties have these GIS systems connected to the real record databases so you can actually pull up deeds and such. Big companies like Zillow have ways of extracting data from county records for a large number of properties.", "replies": [{"id": "dorvf8f", "text": "What about phone numbers? I noticed Co-Star and other programs have them, even though they're not in the record databases\n", "replies": [{"id": "dorw9x3", "text": "I\u2019m not sure on that one. They may have a connection with title companies or such who provide them. ", "replies": [{"id": "dotc7hu", "text": "Na. They literally look up the property owner or address to get their contact info. They also have an army of people in the Philippines going over public records data too. They also go through SEC filings.  ", "replies": [], "depth": 4}], "depth": 3}], "depth": 2}], "depth": 1}, {"id": "dorzhl1", "text": "They\u2019re incorrect a large part of the time when corroborated with the city appraisal district. ", "replies": [{"id": "dosa9ti", "text": "Why is that?", "replies": [], "depth": 2}], "depth": 1}, {"id": "dos1nlu", "text": "RCA is a great database we utilize.", "replies": [{"id": "dos98zq", "text": "What\u2019s RCA?", "replies": [{"id": "dos9ky2", "text": "Real Capital Analytics, it is mind blowing the amount of data you get access to.", "replies": [], "depth": 3}, {"id": "doscl50", "text": "It's primarily transaction data, though they list holding data but its less accurate.  ", "replies": [], "depth": 3}], "depth": 2}, {"id": "dosa50y", "text": "You work for a company like Costar? Or a real estate firm?", "replies": [{"id": "dosbm12", "text": "I work at Real Capital Markets, it is a marketing platform for all types and global CRE, utilizing a database of 45,000+ qualified principals.  It is free to signup and receive deals via email based on the criteria that you set.  I would recommend signing up, the only time we charge anything is when you wish to list a property with us and use our database.", "replies": [{"id": "dosmq8o", "text": "I just want to get owner contact phone numbers. Would that be free?", "replies": [{"id": "dotc9gt", "text": "Honestly it's not too hard to find this info yourself. Unless you're trying to go after a ton of properties extremely quickly for mailings or something like that? \n\nYou can also check out Loopnet and Showcase. Both are CoStar properties.", "replies": [], "depth": 5}], "depth": 4}], "depth": 3}], "depth": 2}, {"id": "dotj2hw", "text": "Costar owns rca", "replies": [], "depth": 2}], "depth": 1}, {"id": "dos1sqc", "text": "They all have Nexis*", "replies": [{"id": "dosa7io", "text": "What's Nexus? I don't see anything about them on Google", "replies": [{"id": "dosbejg", "text": "Lexis Nexis* my bad I\u2019ve never had to actually spell it out.\n\n[check it out](https://www.lexisnexis.com) \n\nAre you in the industry, if so I would find it almost impossible to believe you haven\u2019t heard of it. ", "replies": [], "depth": 3}], "depth": 2}], "depth": 1}, {"id": "dose05q", "text": "They call agents all day everyday asking for information, which is why I don\u2019t use Costar. I use LandVision and enjoy it and it is MUCH cheaper.", "replies": [{"id": "doudw12", "text": "It's a super aggressive business model, which puts a lot of people off. Trust me, most of those people know that whoever they're calling is being hounded, but hey, gotta meet those performance metrics.", "replies": [{"id": "dov7plx", "text": "Can confirm\n\nSource: I work there.", "replies": [{"id": "dov90km", "text": "In sales? You poor bastard.", "replies": [], "depth": 4}], "depth": 3}], "depth": 2}], "depth": 1}, {"id": "dosg3cj", "text": "They butts.", "replies": [], "depth": 1}, {"id": "dpaisk0", "text": "Reonomy has owner phone numbers and emails. ", "replies": [], "depth": 1}]