database for real estate firm

need a database so realtors can place there listings into so they can be displayed over the internet. I would need an administrative area where the realtors can log into and modify the database (add decription of property, upload any photos, place their contact info,MLS property number .) then prospective buyer's can search the database. search criteria(bedrooms,beds,price location,real estate agent,type of property). this needs to be link to an existing website. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform run on a unix prefer mysql and php