Insurance wind mitigation for condo association

Have a condo association that wants a wind mitigation for their umbrella coverage for the development. This is not for 1 unit. The buildings are 3 story, 4-5 buildings with dozens of units. Any ball park on pricing for a job like this? How many attics need to be accessed? (1 per building?). This is located in Central Florida. Im assuming Id use form 1802? Advice appreciated by anyone who’s done it. Thank you.