

937,038
CoStar owns Loopnet. Co star is good if you can afford it. Many agents try Loopnet, and I've put land on there at times, but it never really generated much interest. Usually i just get emails from them claiming I need to upgrade to paid account because several people are interested in my listing but i can't see them. More interest comes from print ads and the mls.
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Bob Crane
Stevens Point, WI
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Annie Adjchavanich
Los Angeles, CA
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Nina Hollander, Broker
Charlotte, NC
6,774,263
Not a fan of Loopnet, their attempts at double dipping result in both sides being ripped off with a substandard listing of properties.
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Bob Crane
Stevens Point, WI
8,244,237
5,184,314
CoStar = LoopNet on steroids
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Fred Griffin Florida R...
Tallahassee, FL
1,014,938
I've only used loopnet with mixed results - usually I get inquiries years after the properties have sold
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Jessie Cochran
Panama City, FL
5,396,475
I know nothing about either of these as I only do residential real estate.
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John Pusa
Glendale, CA
3,074,716
1,269,775
Costar more selection, easy to search. Suggest a 6 month or shorter subcription to try out. Loopnet is very slow to access for toward business opportunities.
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Fred Griffin Florida R...
Tallahassee, FL
5,205,781
I've not used either since I'm residential real estate only.
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Nina Hollander, Broker
Charlotte, NC
4,420,511
Annie Adjchavanich CoStar provide more data, and owns loopnet.
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Nina Hollander, Broker
Charlotte, NC
3,764,591
1,466,257
Annie Adjchavanich CoStar because it provides better commercial options.
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Nina Hollander, Broker
Charlotte, NC
5,293,200
3,988,144
1,618,024
2,719,053
4,796,388
I sell residential only - our brokerage does not allow me to sell commercial without additional training. It seems the LoopNet is preferred by those I know.
4,434,277
1,066,352
232,119
4,322,295
Annie Adjchavanich - it was a pleasure meeting you at our Meet Up.
To answer this question - LoopNet is more popular.
2,443,346
321,664
Our office uses Costar. I also post to Loopnet which a Sales rep. immediately called me to up sell his services. Costar has so much more information & they own Loopnet I believe. I'm watching for more input from others.
2,448,781
1,231,903