help me with a comparable quote for screen enclosure - tampa, fl

hi guys,
i just got a quote for $4,800 to do a 22' x 12' screened enclosure on the top deck of my two story house. i'm trying to get a feel if this is a decent quote. i travel a lot so getting people to come when i am home on the weekends is very difficult....
here is a link to my porch:
http://beaconlightconsulting.com/backporch.jpg
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robertwilliams had written this in response to http://www.thestuccocompany.com/construction/help-me-with-a-comparable-quote-for-screen-enclosure-tampa-14376-.htm :
Hi,everyone,we are factory,we can supply kinds of shower ho- se,including brass hose,stainless steel hose,PVC hose and so on,
my email: snipped-for-privacy@hotmail.com
telephone:0086+574+63404441
fax:0086+574+63404448 ------------------------------------- WHY THERE IS NO PEPOLE REPLY?
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