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Andrew C. Florance net worth and biography

Andrew Florance Biography and Net Worth

CEO of CoStar Group
Andrew C. Florance founded CoStar Group in 1987, fundamentally changing the way commercial real estate professionals access, use and share information. Through CoStar, Mr. Florance pioneered the concept of commercial real estate firms outsourcing research functions to a third-party information provider, combining the operational efficiencies of a computer-based information system with the more thorough, standardized and higher quality property information produced by the industry’s first independent research organization.

Mr. Florance’s enduring commitment to innovation has been repeatedly recognized by Forbes magazine, which has named CoStar among the 100 Most Innovative Growth Companies in the world, as well as one of Forbes Fast Tech 25 and one of Fortune magazine’s 100 Fastest Growing Companies. Headquartered in Washington, D.C., the company maintains offices throughout North America, Europe and Asia with a staff of more than 4,750 worldwide.

Mr. Florance has directed CoStar Group’s expansion from start-up, to its successful IPO in July 1998, and to its market-leading position today as a publicly traded enterprise (NASDAQ: CSGP) and the leading provider of commercial real estate information, analytics and online marketplaces. CoStar Group’s major holdings include:

CoStar, the largest provider of commercial real estate research, analytics and data, offering in-depth information on building attributes, historical lease and sale transactions, tenants, true owners and professionally captured images. Ninety-five percent of the top 1,000 brokerages turn to CoStar for client-ready reports, market analysis, news and information to make profitable decisions
LoopNet, including Showcase, CityFeet, and CoStar, the most heavily trafficked online commercial real estate marketplaces with more than 16 million average network monthly visits
The network, the premier rental home resource for renters, property managers and owners with over 1 billion visits in 2020, including, ApartmentFinder, ApartmentHomeLiving,,,,,, Westside Rentals and Off Campus Partners
BizBuySell, the Internet’s largest and most heavily trafficked business-for-sale marketplace
Lands of America, the largest rural real estate marketplace in the country
STR, the leading provider of premium data benchmarking, analytics and marketplace insights for global hospitality sectors
Ten-X, the leading platform for conducting commercial real estate online auctions and negotiated bids
Homesnap, an industry-leading online and mobile software platform that provides user-friendly applications to optimize residential real estate agent workflow and reinforce the agent-client relationship.
Mr. Florance has co-authored a number of academic articles on commercial real estate economics and received Best Manuscript Prize Awards and the Scholar Practitioner Prize from the American Real Estate Society. He is active in education having served on six school boards over 28 years. He served on the board of several public company boards and six non-profit boards. Mr. Florance is currently the Chair of the Board of the Cathedral Chapter overseeing the Washington National Cathedral and sits on the board of the Protestant Episcopal Cathedral Foundation, the American Real Estate Society and Management Leadership for Tomorrow, a nonprofit that develops diverse leaders. Mr. Florance is a graduate of Princeton University with a B.A. in Economics and received an honorary doctorate from Virginia Commonwealth University in 2019.

How old is Andrew C. Florance?

Mr. Florance is currently 58 years old. There are 4 older executives and no younger executives at CoStar Group. Learn More on Andrew C. Florance's age.

What is Andrew C. Florance's salary?

As the CEO of CoStar Group, Inc., Mr. Florance earned a total compensation package of $22,164,341.00 in 2021. Mr. Florance earned a salary of $905,769.00, stock awards of $16,703,568.00, options awards of $2,007,200.00, non-equity compensation of $2,405,000.00, and other compensation of $142,804.00. Learn More on Andrew C. Florance's salary.

How do I contact Andrew C. Florance?

The corporate mailing address for Mr. Florance and other CoStar Group executives is 1331 L STREET NW, WASHINGTON DC, 20005. CoStar Group can also be reached via phone at (202) 346-6500 and via email at [email protected] Learn More on Andrew C. Florance's contact information.

Has Andrew C. Florance been buying or selling shares of CoStar Group?

Andrew C. Florance has not been actively trading shares of CoStar Group in the last ninety days. Most recently, Andrew C. Florance sold 19,570 shares of the business's stock in a transaction on Wednesday, March 10th. The shares were sold at an average price of $818.37, for a transaction totalling $16,015,500.90. Learn More on Andrew C. Florance's trading history.

Who are CoStar Group's active insiders?

CoStar Group's insider roster includes Michael Desmarais (Insider), Andrew Florance (CEO), John Hill (Director), Laura Kaplan (Director), Lisa Ruggles (VP), Frederick Saint (Insider), and Scott Wheeler (CFO). Learn More on CoStar Group's active insiders.

Are insiders buying or selling shares of CoStar Group?

During the last year, insiders at the technology company sold shares 6 times. They sold a total of 11,096 shares worth more than $807,698.26. The most recent insider tranaction occured on November, 3rd when Director John W Hill sold 3,650 shares worth more than $288,058.00. Insiders at CoStar Group own 1.4 % of the company. Learn More about insider trades at CoStar Group.

Information on this page was last updated on 11/3/2022.

Andrew C. Florance Insider Trading History at CoStar Group

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/26/2020Sell15,584$848.16$13,217,725.44View SEC Filing Icon  
3/2/2020Sell33,600$663.90$22,307,040.00View SEC Filing Icon  
7/26/2019Sell24,210$628.64$15,219,374.40View SEC Filing Icon  
3/4/2019Sell55,322$473.38$26,188,328.36View SEC Filing Icon  
4/30/2018Sell5,839$369.05$2,154,882.95View SEC Filing Icon  
4/30/2018Sell24,821$371.03$9,209,335.63View SEC Filing Icon  
4/26/2018Sell7,782$372.34$2,897,549.88View SEC Filing Icon  
5/3/2017Sell43,536$244.46$10,642,810.56View SEC Filing Icon  
5/3/2017Sell21,768$244.19$5,315,527.92View SEC Filing Icon  
5/2/2017Sell21,768$244.73$5,327,282.64View SEC Filing Icon  
3/2/2017Sell26,271$205.31$5,393,699.01View SEC Filing Icon  
11/11/2015Sell17,612$205.10$3,612,221.20136,127View SEC Filing Icon  
3/2/2015Sell33,187$197.90$6,567,707.30View SEC Filing Icon  
10/28/2013Sell54,400$179.08$9,741,952.00View SEC Filing Icon  
7/30/2013Sell72,128$156.42$11,282,261.76View SEC Filing Icon  
3/4/2013Sell32,330$102.85$3,325,140.50View SEC Filing Icon  
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Andrew C. Florance Buying and Selling Activity at CoStar Group

This chart shows Andrew C Florance's buying and selling at CoStar Group by year and by quarter.

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CoStar Group Company Overview

CoStar Group logo
CoStar Group, Inc. provides information, analytics, and online marketplace services to the commercial real estate, hospitality, residential, and related professionals industries in the United States, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing properties and land; CoStar COMPS, a robust database of comparable commercial real estate sales transactions; CoStar Market Analytics to view and report on aggregated market and submarket trends; and CoStar Tenant, an online business-to-business prospecting and analytical tool that provides tenant information. The company also provides Lease Comps and Analysis, a tool to capture, manage, and maintain lease data; CoStar Lease Analysis; Public Record, a searchable database of commercially-zoned parcels; CoStar Real Estate Manager, a real estate lease administration, portfolio management, and lease accounting compliance software solution; and CoStar Risk Analytics and CoStar Investment. In addition, it offers apartment marketing sites, such as,,,,,,,, and Off Campus Partners; LoopNet Premium Lister; LoopNet Diamond, Platinum, and Gold Ads;,, and for rural land for-sale;,, and for operating businesses and franchises for-sale; Ten-X, an online auction platform for commercial real estate; and HomeSnap, an online and mobile software platform, as well as, a homes for sale listings site. CoStar Group, Inc. was founded in 1987 and is headquartered in Washington, the District of Columbia.
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Today's Range

Now: $82.95
Low: $81.08
High: $83.07

50 Day Range

MA: $76.55
Low: $69.57
High: $84.16

2 Week Range

Now: $82.95
Low: $49.00
High: $85.37


2,574,709 shs

Average Volume

2,273,750 shs

Market Capitalization

$33.73 billion

P/E Ratio


Dividend Yield



This Skill Could Change The Way You Trade!
It’s the most valuable strategy for traders to learn, but somehow, most of of them miss out!

Don’t be one of them! Get expert trader Thomas Wood’s guide “Naked Trading Mastery” and see the difference…

Get your free copy here!