The following links will provide additional information regarding the real estate industry.
Realtor.com - The official website of the National Association of Realtors
The Appraisal Institute - Professionals Providing Real Estate Solutions
The Appraisal Foundation - Source of Appraisal Standards & Qualifications
The Philadelphia Zoning Map - Map of Zoning Districts in Philadelphia
Philadelphia Zoning Ordinance - Online Zoning Code for Philadelphia
Nationwide Directory of Gov't Agencies - Useful links to County and City Websites throughout the USA
Federal Emergency Management Agency -Flood Maps Available for FREE
Ellis Harrison & the E-team - Real Estate Agents @ Keller Williams Realty
Looplender - A great resource for Commercial Mortgages
National Real Estate Investor - A monthly, national magazine that provides research for all facets of real estate: office, industrial, apartment, retail, and more.
Deeds - Everything you want to know about deeds, but were afraid to ask. This site will explain all the different types of deeds available, and then some.