How do you get phone numbers for cold calling?
Talked to some people on this subreddit who said they spend too much time digging through online records to find the contact info of building owners so that they can cold call them. I was wondering who else here goes through a similar process of hunting for contact information by building and what tools do you use?

Thanks for any feedback!
[{"id": "d8wdnip", "text": "What are you selling?", "replies": [{"id": "d8wjaa4", "text": "Not selling yet just trying to validate an idea. I'm working on a site where you can just enter an address and see who the owner is and get the contact information. Do you think its something you might find useful?", "replies": [{"id": "d8wmqsd", "text": "Not me personally, but I'm sure for others.  Big question is what other competitors are out there, and how much they cost the end user.", "replies": [], "depth": 3}, {"id": "d8wwr0p", "text": "We have something like that in FL called EarthPlat", "replies": [], "depth": 3}, {"id": "d8wwvdd", "text": "That exists, it's called CoStar", "replies": [{"id": "d8xc13r", "text": "Sure, CoStar MIGHT connect you to the Asset Manager of a class A tower if you are lucky. But a lot of their middle market properties will simple have \"1234 main street LLC\" as the contact.\n\nA database that could somehow connect that LLC to the state corporate search database, to the tax address, to the similar entity tax address, to the GP/President of the firm, to that GP's phone number would be absolutely incredible and unprecendented.", "replies": [{"id": "d8xqtd5", "text": "Is this process of looking through different databases what you are currently doing to get a phone number?", "replies": [{"id": "d8xs7n5", "text": "If I am desperate for a phone number, yes", "replies": [], "depth": 6}], "depth": 5}, {"id": "d8y1clj", "text": "I'm in the southern California market and I've been pretty impressed with the records that CoStar produces.  We do a pretty large amount of cold calling and I can almost always pinpoint the ownership company through the CoStar data.  The Contacts page which most of the time contains a true owner or the Sale page which will contain the deed.  Do a little bit of digging and you'll find it pretty quickly.\n\nIf you do just get the LLC and an address then you lookup the LLC in your [state's database](http://kepler.sos.ca.gov/) as well as [corporationwiki.com](https://www.corporationwiki.com/) and start digging from there.\n\nThere will be properties that are hard or near impossible to find the owner, but I don't see how this service will resolve that problem unless it has access to non-public information.", "replies": [], "depth": 5}, {"id": "d97ks28", "text": "There are a ton of startups that already do this, at least in major markets.", "replies": [], "depth": 5}], "depth": 4}], "depth": 3}, {"id": "d97kqwl", "text": "Realize a TON of services are out there offering to do exactly that. A lot of real estate start ups are pulling from the APIs all the publicly available property info from tax records, etc. Others like CoStar and Lexis have spend a ton of money and manhours creating a comprehensive database. You'd have a tough time creating something more comprehensive than they have I'd imagine?", "replies": [], "depth": 3}], "depth": 2}], "depth": 1}, {"id": "d8wnv1c", "text": "Most trade orgs like ULI or NAIOP have a membership directory with contact information. ", "replies": [], "depth": 1}, {"id": "d8wqklp", "text": "Look up Prospect Now", "replies": [{"id": "d8xqvjr", "text": "Yeah this looks good! Do you have experience using this product, does it meet your needs? Thanks!\n", "replies": [], "depth": 2}], "depth": 1}, {"id": "d8zasu4", "text": "There's no magical one stop shop for names, addresses, company, email and phones. There are a ton of resources for recorded ownership. So unless you are going to present a service that connects recorded owner to actual owner and provides contact info, there is nothing new to differentiate you. \n\nThe amount of work involved to create a True Ownership database and keep it updated is immense. Companies like CoStar and Xceligent do these things with fairly well and spend 100's of millions to maintain it. ", "replies": [], "depth": 1}, {"id": "d8zmdqb", "text": "Hire someone on Upwork to compile addresses and then scout tax records online. Use the names from the tax records to compile phone numbers ", "replies": [], "depth": 1}]