Central Depository-Archive
1314 Bedford Avenue, Suite 102
Baltimore, Maryland 21208

T (443) 548-3065
F (410) 653-3451

About NESAD™

NESAD™: A National Environmental Site Assessment Depository™ and Archive are Founded


The National Environmental Site Assessment Depository, Inc.™, operating as NESAD™, NESAD US™,  and the NESAD Network™, is the cumulative result of years of critical “think tank” and “roundtable” discussions with input from the commercial mortgage lending, real estate loan origination, brokering, real estate law, insurance, and professional real estate due diligence inspection and evaluation industries. NESAD™ is a concept that has been painstakingly examined, critiqued, and tested by real estate lending and inspection professionals. NESAD™ was legally incorporated in May of 2015. NESAD™ is a concept whose time has arrived. The NESAD™ depository-archive grows daily and is anticipated to continue growing indefinitely.

NESAD™ is an appropriately-insured, cyber-secure, searchable, national reference depository of environmental, structural, and related physical due diligence report documents established to support and assist the commercial real estate mortgage lending, brokering, loan origination, and insurance industries with their environmental and structural due diligence and real estate asset evaluation objectives. Through NESAD’s™ proprietary (patent pending) real estate “file mapping” program, NESAD Map Search™, registered NESAD™ subscribers are able to identify contributing, depositing real estate due diligence professionals and like service providers that have performed environmental assessments, structural inspections, and all other manner of physical due diligence investigations and related work on a location-by-location basis. Nearly all NESAD™ subscribers are also active NESAD™ depositors.

Developed primarily by environmental and engineering professionals and with critical input from commercial mortgage lending officers, NESAD’s™ primary mission is to augment through collective intelligence the due diligence objectives of commercial and residential real estate lenders, credit risk managers, portfolio managers, real estate investment trusts (REITs), private real estate investors, and subscribing real estate professionals. NESAD™’s secondary mission to introduce to all NESAD™ subscribers the quality real estate professionals who through their active participation in the NESAD Network™ desire to introduce their companies and proven professional services and assist with your real estate due diligence and evaluation needs. NESAD™’s collective intelligence mapping application is the next logical step in satisfying real estate due diligence. Contact NESAD™ now to become an active depositor and subscriber…due diligence report paper management has officially become report data management. NESAD™ is Where Collective Intelligence Meets Due Diligence.™

Among several other professional real estate organizations, NESAD™ is a registered ASTM Member on Committee E50 for Environmental Assessment, Risk Management, and Corrective Action, and ASTM Committee 2018 for Property Condition Assessments: Baseline Property Condition Assessment Process. NESAD™ is a member of the Environmental Bankers Association (www.envirobank.org).

Come visit NESAD™ on Facebook®, Twitter®, and Linkedin®. The links are provided at the bottom of this webpage.

NESAD Map Search™: Where Collective Intelligence Meets Real Estate Due Diligence™


NESAD’s™ proprietary, patent pending NESAD Map Search™ aspect took two full years to develop, and through a licensing agreement with Google®, employs specialized programming that geospatially identifies, codes, ranks, chronologies, and categorizes all subscribing and depositing real estate, environmental and structural due diligence professionals and their work product documents on the specific properties of your choosing. These real estate professionals know your specific property… because they’ve already inspected or otherwise worked on it. Become a NESAD™ subscriber and/or depositor, enter the NESAD™ depository-archive, and instantly access over 317,000,000 discrete address locations in the continental U.S., Puerto Rico, and U.S. territories.

NESAD map search real estate records

NESAD’s Map Search™ gives subscribers the power to network instantly with thousands of real estate inspection, testing, valuation, and repair professionals and their work…saving you invaluable due diligence, transaction, and credit analysis time, money, and effort.

NESAD’s™ proprietary, patent pending NESAD Map Search™ is easy to use and intuitive…even if you’ve never used any program similar to it. Simply type in your site location address or a street address near your property (if your search location has no street address) and click the magnifying glass link. The NESAD Map Search™ program will deliver you to either a map or satellite view (your choice) of your subject location. Each locational icon has been precisely hand-geocoded…the icons are located directly on the properties with archived documents deposited by the real estate professionals who produced them. You are then invited to contact the depositing real estate professional(s) directly, as each real estate professional’s contact information has been prominently provided along with your real estate search location.

Come visit NESAD™ on Facebook®, Twitter®, and Linkedin® (links below).

Collective intelligence is the capacity of human collectives to engage in intellectual cooperation in order to create, innovate, and invent.

— Pierre Levy, French Philosopher, Cultural Theorist, Media Scholar, Author, University of Ottawa (Canada)

Talent wins games, but teamwork and intelligence wins championships.


— Michael Jordan, NBA Championship Winner, MVP, Chicago Bulls, Washington Wizards



Where no counsel is, the people fall: but in the multitude of counsellors there is safety.

— King Solomon, Holy Bible, King James Version (KJV), Proverbs: 11:14

NESAD Map Search™ Depository-Archive

Millions of Properties. Millions of Documents. Millions of Hours Saved. Thousands of RE Professionals Making it Happen.

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