CoStar GroupMIL:1CSGP 56 Pretax Margin % is 1.34% as of Mar. 2026, which is 93% below its 10-year median of 18.78. GuruFocus rates MIL:1CSGP with a GF Score™ of 56/100 and a GF Value™ of €95.81 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 1,754 Real Estate companies, CoStar Group ranks worse than 68.64% on this metric.
Pre-Tax margin is calculated as Pre-Tax Income divided by its Revenue. CoStar Group's Pre-Tax Income for the
three
months ended in Mar. 2026 was €10 Mil. CoStar Group's Revenue for the
three
months ended in Mar. 2026 was €776 Mil. Therefore, CoStar Group's pretax margin for the quarter that ended in Mar. 2026 was 1.34%.
The historical rank and industry rank for CoStar Group's Pretax Margin % or its related term are showing as below:
MIL:1CSGP'
s Pretax Margin % Range Over the Past 10 Years
Min: 0.92 Med: 18.78 Max: 27.93
Current: 1.43
MIL:1CSGP's Pretax Margin % is ranked worse than 68.64% of 1754
companies
in the Real Estate industry
Industry Median: 12.265
vs MIL:1CSGP: 1.43
CoStar Group (MIL:1CSGP) Pretax Margin % Explanation
The pretax margin, as know as pretax profit margin, is widely used to measure the operating efficiency of a company before deducting taxes.
The pretax margin is sometimes preferred over the net margin as tax expenditures can make profitability comparisons between companies misleading.
It is a useful tool to compare companies operating in the same sector and less effective when comparing companies from other sectors as each industry generally has different operating expenses and sales patterns.
The long term trend of the pretax margin is a good indicator of the competitiveness and health of the business.
CoStar Group Pretax Margin % Related Terms
CoStar Group Pretax Margin % Historical Data
* Premium members only.
The historical data trend for CoStar Group's Pretax Margin % 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.
MIL:1CSGP vs JLL, BEKE, COMP: Pretax Margin % Comparison
For the Real Estate Services subindustry, CoStar Group's Pretax Margin %, along with its competitors' market caps and Pretax Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
CoStar Group Pretax Margin % vs Real Estate Industry
For the Real Estate industry and Real Estate sector, CoStar Group's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where CoStar Group's Pretax Margin % falls into.
* 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 (MIL:1CSGP) has a Pretax Margin % of 1.34% as of Mar. 2026. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on CoStar Group and its competitors. This is 93% below median its historical median of 18.78. Over the past decade, CoStar Group's Pretax Margin % has ranged from 0.92 to 27.93. According to the industry distribution chart, CoStar Group ranks #1204 out of 1754 companies in the Real Estate industry, placing it in the top 68.6%.
Is CoStar Group's Pretax Margin % too high?
CoStar Group's current Pretax Margin % of 1.34% is 93% below median its 10-year median of 18.78. Over the past 10 years, this metric has ranged from a low of 0.92 to a high of 27.93. The Real Estate industry median Pretax Margin % is 12.27. CoStar Group's value of 1.34% is 89.1% below this industry median. Based on the distribution chart, CoStar Group ranks #1204 out of 1754 companies in the Real Estate industry, which is below the industry midpoint. 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 Pretax Margin % compare to JLL and BEKE?
According to the Real Estate industry distribution chart, CoStar Group ranks #1204 out of 1754 companies for Pretax Margin %. This places CoStar Group in the lower half of its industry. The industry median Pretax Margin % is 12.27. CoStar Group's value of 1.34% is 89.1% below this benchmark. Historically, CoStar Group's own Pretax Margin % has ranged from 0.92 to 27.93 over the past decade. While the company's 10-year median is 18.78 vs. the industry median of 12.27, CoStar Group has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Pretax Margin % for a Real Estate company?
The median Pretax Margin % among Real Estate companies is 12.27, based on 1,754 companies in the industry. Companies in the top quartile (top 25%) have a Pretax Margin % significantly above this median, while those in the bottom quartile fall well below. However, Pretax Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. CoStar Group's current Pretax Margin % of 1.34% is 89.1% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Pretax Margin % mean?
A high Pretax Margin % can signal that a stock is expensive relative to its fundamentals. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on CoStar Group and its competitors. For the Real Estate industry, the median Pretax Margin % is 12.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CoStar Group's current Pretax Margin % is 1.34%, which is 93% below median its own 10-year median of 18.78. 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 €95.81, compared to a current price of €26.90 — trading 71.9% below its estimated fair value. The current Pretax Margin % is 1.34%, which is 93% below median its 10-year median of 18.78 and 89.1% below the Real Estate industry median of 12.27. 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 Pretax Margin % calculated?
Pretax Margin % is calculated from a company's financial statements. For CoStar Group (MIL:1CSGP), the current Pretax Margin % is 1.34% 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 €26.90 is trading 71.9% below its estimated GF Value™ of €95.81.
GuruFocus considers CoStar Group to be Significantly Undervalued.
Key valuation signals for MIL:1CSGP:
Pretax Margin %: 1.34% (93% below median its 10-year median of 18.78)
GF Value™: €95.81 vs. price of €26.90 (71.9% below fair value)
Industry Position: 89.1% below the Real Estate median (#1204 of 1754)
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 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
Pretax Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MIL:1CSGP has been successfully added to your 
