CoStar Group (MIL:1CSGP) Tax Provision: €-21 Mil (TTM As of Mar. 2026)


MIL:1CSGP CoStar Group Inc MIL:1CSGP
56 GF Score
Price €26.23
GF Value €89.53
Valuation Significantly Undervalued
! 1 Warning Sign
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What is CoStar Group Tax Provision?

CoStar Group MIL:1CSGP 56 Tax Provision is €-21 Mil as of Mar. 2026. GuruFocus rates MIL:1CSGP with a GF Score™ of 56/100 and a GF Value™ of €89.53 (Significantly Undervalued). The stock has 1 warning sign investors should review.

CoStar Group's tax provision for the three months ended in Mar. 2026 was €-8 Mil. Its tax provision for the trailing twelve months (TTM) ended in Mar. 2026 was €-21 Mil.

CoStar Group Tax Provision Historical Data

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The historical data trend for CoStar Group's Tax Provision can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

CoStar Group Tax Provision Chart

CoStar Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Tax Provision
Get a 7-Day Free Trial Premium Member Only Premium Member Only -98.59 -110.45 -116.46 -67.81 -19.64

CoStar Group Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Tax Provision Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -7.40 -13.35 12.70 -12.30 -7.79
MIL:1CSGP
56GF Score
CoStar Group Inc MIL:1CSGP
Tax Provision is just one metric. See GF Score™, valuation, warning signs, and more.
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CoStar Group Tax Provision Calculation

Tax to be paid.

Tax Provision for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €-21 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Tax Provision →
What does a Tax Provision of €-21 Mil mean?
CoStar Group (MIL:1CSGP) has a Tax Provision of €-21 Mil as of Mar. 2026. Provision for taxes is the amount of tax the company owes based on pre-tax income. View historical data on CoStar Group and its competitors.
Is CoStar Group's Tax Provision too high?
CoStar Group's current Tax Provision is €-21 Mil. Overall, CoStar Group has a GF Score™ of 56/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does CoStar Group's Tax Provision compare to JLL and BEKE?
CoStar Group's Tax Provision of €-21 Mil can be compared against companies in the Real Estate industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Provision for a Real Estate company?
A good Tax Provision depends on the Real Estate industry context. However, Tax Provision should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Tax Provision mean?
A high Tax Provision can signal that a stock is expensive relative to its fundamentals. Provision for taxes is the amount of tax the company owes based on pre-tax income. View historical data on CoStar Group and its competitors. CoStar Group's current Tax Provision is €-21 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CoStar Group stock overvalued right now?
Based on GuruFocus' analysis, CoStar Group (MIL:1CSGP) is currently considered Significantly Undervalued. The stock's GF Value™ is €89.53, compared to a current price of €26.23 — trading 70.7% below its estimated fair value. The current Tax Provision is €-21 Mil. CoStar Group's overall GF Score™ is 56/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Provision calculated?
Tax Provision is calculated from a company's financial statements. For CoStar Group (MIL:1CSGP), the current Tax Provision is €-21 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is CoStar Group (MIL:1CSGP) Overvalued in 2026?

Based on GuruFocus' analysis, CoStar Group stock appears to be undervalued. The current stock price of €26.23 is trading 70.7% below its estimated GF Value™ of €89.53. GuruFocus considers CoStar Group to be Significantly Undervalued.

Key valuation signals for MIL:1CSGP:

  • Tax Provision: €-21 Mil
  • GF Value™: €89.53 vs. price of €26.23 (70.7% below fair value)
  • GF Score™: 56/100 with 1 warning sign

No single metric tells the full story. See the MIL:1CSGP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

CoStar Group Business Description

Address 1201 Wilson Boulevard, Arlington, VA, USA, 22209
CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.
56GF Score

Get the complete analysis for MIL:1CSGP

Tax Provision is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€26.23
Price
€89.53
GF Value