![Andrew Florance](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Andrew Florance
Founder at
COSTAR GROUP, INC.
Net worth: 67 M $ as of 31/03/2026
Profile
Founder of CoStar Group, Inc., Andrew C. Florance is President, Chief Executive Officer & Director at this company. Mr. Florance is also Chairman-Cathedral Chapter at Washington National Cathedral and on the board of 9 other companies. In the past Mr. Florance was Chairman-Governors Board at Beauvoir School, Chairman of St. Andrew's School, Co-Chairman at Childrens National Medical Center Foundation and Member of Sierra Club. He received an undergraduate degree from Princeton University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
COSTAR GROUP, INC. 0.39% | 10/03/2026 | 16,51,435 ( 0.39% ) | 67 M $ | 31/03/2026 |
Andrew Florance active positions
| Companies | Position | Start |
|---|---|---|
| COSTAR GROUP, INC. | Founder | 01/01/1987 |
CoStar UK Ltd.
 CoStar UK Ltd. Investment ManagersFinance Provides investment management advisory services | Director/Board Member | 09/01/2003 |
Virginia Commonwealth University
 Virginia Commonwealth University Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
STR Global Ltd.
 STR Global Ltd. Miscellaneous Commercial ServicesCommercial Services Engages in provision of benchmarking data reports to hotel industry | Director/Board Member | 22/10/2019 |
CoStar Europe Ltd.
 CoStar Europe Ltd. Miscellaneous Commercial ServicesCommercial Services Provides information, analytics and marketing services | Director/Board Member | 13/05/2015 |
Property & Portfolio Research Ltd.
 Property & Portfolio Research Ltd. Miscellaneous Commercial ServicesCommercial Services Provides commercial real estate research and portfolio strategy services | Director/Board Member | 17/07/2009 |
CoStar Ltd.
 CoStar Ltd. Miscellaneous Commercial ServicesCommercial Services Provides information services to real estate industry | Director/Board Member | - |
Management Leadership for Tomorrow
 Management Leadership for Tomorrow Miscellaneous Commercial ServicesCommercial Services Operates career development institution | Director/Board Member | 01/01/2017 |
Washington National Cathedral
 Washington National Cathedral Miscellaneous Commercial ServicesCommercial Services Operates as a house of prayer | Corporate Officer/Principal | 01/01/2015 |
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Former positions of Andrew Florance
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|---|---|---|
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Training of Andrew Florance
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
81
1st degree connections
23
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 23 |
|---|---|
CoStar Group, Inc.
 CoStar Group, Inc. Internet Software/ServicesTechnology Services Operates as commercial and residential real estate information, analytics and online marketplace platform | Technology Services |
Princeton University
 Princeton University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Virginia Commonwealth University
Virginia Commonwealth University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Federal Reserve System
 Federal Reserve System General GovernmentGovernment Federal reserve bank | Government |
Sierra Club
 Sierra Club Miscellaneous Commercial ServicesCommercial Services Focuses on spreading awareness on environmental issues | Commercial Services |
CoStar Ltd.
CoStar Ltd. Miscellaneous Commercial ServicesCommercial Services Provides information services to real estate industry | Commercial Services |
National Building Museum (District of Columbia)
 National Building Museum (District of Columbia) Local AgenciesGovernment Local Agencies | Government |
The Shakespeare Theatre Co.
 The Shakespeare Theatre Co. Movies/EntertainmentConsumer Services Operates theatrical performing arts company | Consumer Services |
Management Leadership for Tomorrow
Management Leadership for Tomorrow Miscellaneous Commercial ServicesCommercial Services Operates career development institution | Commercial Services |
Washington National Cathedral
Washington National Cathedral Miscellaneous Commercial ServicesCommercial Services Operates as a house of prayer | Commercial Services |
American Real Estate Society
 American Real Estate Society Miscellaneous Commercial ServicesCommercial Services Operates real estate association | Commercial Services |
Walker & Dunlop, Inc.
 Walker & Dunlop, Inc. Finance/Rental/LeasingFinance Operates as a commercial real estate services and finance company with a focus on multifamily lending, property sale, debt mediation and affordable housing investment management | Finance |
Children's Care Hospital Foundation | |
Protestant Episcopal Cathedral Foundation
 Protestant Episcopal Cathedral Foundation Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment | Miscellaneous |
St. Andrew's School | |
Beauvoir School
 Beauvoir School Other Consumer ServicesConsumer Services Beauvoir School is an educational institution dedicated to providing a nurturing and inclusive learning environment for young students. The private company is based in Washington, DC. | Consumer Services |
CoStar UK Ltd.
CoStar UK Ltd. Investment ManagersFinance Provides investment management advisory services | Finance |
CoStar Private Sale Network
 CoStar Private Sale Network Internet Software/ServicesTechnology Services Provides online solutions for the commercial real estate industry | Technology Services |
Ford's Theatre Society
 Ford's Theatre Society Media ConglomeratesConsumer Services Operates theatre which offers museum exhibits | Consumer Services |
Property & Portfolio Research Ltd.
Property & Portfolio Research Ltd. Miscellaneous Commercial ServicesCommercial Services Provides commercial real estate research and portfolio strategy services | Commercial Services |
Childrens National Medical Center Foundation
 Childrens National Medical Center Foundation Services to the Health IndustryHealth Services Operates as a non-profit organization which provides medical center services | Health Services |
CoStar Europe Ltd.
CoStar Europe Ltd. Miscellaneous Commercial ServicesCommercial Services Provides information, analytics and marketing services | Commercial Services |
STR Global Ltd.
STR Global Ltd. Miscellaneous Commercial ServicesCommercial Services Engages in provision of benchmarking data reports to hotel industry | Commercial Services |
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