CoStar Group (CSGP) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

CoStar Group

NasdaqGS•Real Estate•Real Estate Services

$31.32-0.50(-0.02%)After hours

Market Cap

$12.78B

P/E

71.6x

P/S

3.5x

P/B

1.6x

CoStar Group, Inc. provides information, analytics, and online marketplace services to real estate and related business communities in the United States, Australia, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing, and land properties; CoStar Leasing, a data on lease transactions and tools to manage user-entered lease data; CoStar Sales, a database of commercial real estate sales transactions; CoStar Owners provides detailed portfolio information; CoStar Markets to view and report on market and submarket trends; and CoStar Tenant that provides tenant information. The company also provides hospitality benchmarking that allows hotels to measure performance against competitors; Debt Solutions, a tool for lenders to manage loan portfolios and risk; and real estate and lease management technology solutions, such as lease administration, lease accounting, and transaction management services. In addition, it offers Apartamentos.com, an apartment marketing sites; LoopNet.com, a commercial property marketing sites; Homes.com, a home for sale listings site; Ten-X, an online auction platform for commercial real estate; Land.com, a marketplace for rural land sales; and BizBuySell.com, a marketplace for operating businesses and franchises for sale. It serves sales, leasing, and mortgage brokers; property, real estate investment trust, insurance companies, and asset managers; and government agencies, property owners, mortgage-backed security issuers, appraisers, design and construction professionals, pension fund managers, real estate developers, reporters tenant vendors, bankers, building services vendors, mortgage bankers, communications providers, retailers, institutional advisors, hospitality owners, investors, and real estate agents. The company was founded in 1986 and is headquartered in Arlington, Virginia.

How this company scores

ExcellentMetricSide Score: 80/100

Strongest: Growth (25/25); weakest: Profitability (15/25).

Profitability15/25

Growth25/25

Balance Sheet & Red Flags17/25

Cash & Earnings Quality23/25

Strengths

Growing revenueRising free cash flowRising earningsLow leverage

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 71.6x5y range 71.6x – 4044.5x

Currently below its 20-quarter median.

P/S · 3.5x5y range 3.3x – 16.2x

Currently below its 20-quarter median.

P/B · 1.6x5y range 1.5x – 5.5x

Currently below its 20-quarter median.

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

High Risk

Margin Pressure

Red Flag

The company posted negative operating margins in recent quarters — core operations are unprofitable.

Earnings Quality

Watch

FCF/Net Income has dropped below 0.7x in 3 quarters — monitor for earnings quality deterioration.

Cash Burn

Watch

FCF turned negative in 2 of the last 8 quarters — occasional cash consumption.

Price & Volume

Market Cap $12.78B

Metrics at a Glance

as of September 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue: $3.67B
Q. Revenue: $952.00M
TTM EBITDA: $509.80M
TTM Op. Income: $212.10M
Q. Op. Income: $84.00M
TTM Net Income: $178.50M
Q. Net Income: $74.00M
EPS: $0.18
Shares Out.: $401.60M

$3.67B in TTM revenue grew 20.2% YoY, reaching $952.00M last quarter. TTM EBITDA of $509.80M and TTM operating income of $212.10M show growth is flowing through to the bottom line. TTM net income of $178.50M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 7 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin: 77.8%
EBITDA Margin: 8.8%
Op. Margin: 8.8%
Net Margin: 7.8%

Op. margin of 8.8% is up 15.0% YoY — cost efficiency is improving. Net margin at 7.8% and gross margin of 77.8% show how much of each revenue dollar survives to profit. Across the last 8 quarters, operating margin has risen for 2 consecutive quarters — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio: 71.6x
P/S Ratio: 3.5x
P/B Ratio: 1.6x

At 71.6x P/E, the stock trades above typical market levels — the market expects above-average growth. P/S of 3.5x and P/B of 1.6x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Across the last 8 quarters, P/E has fallen for 3 consecutive quarters — an improving trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets: $10.27B
Cash: $500.00M
Long-Term Debt: $994.00M
Book Value: $7.97B
D/E Ratio: 0.1
Debt/EBITDA: 11.8

With $10.27B in assets and $994.00M in long-term debt, D/E is 0.1and book value is $7.97B — a conservative capital structure with a cushion to weather downturns. Across the last 8 quarters, debt/equity has fallen for 2 consecutive quarters — an improving trend.

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow: $188.00M
TTM Free Cash Flow: $422.30M
FCF Margin: 11.5%
FCF / Net Income: 2.4

TTM FCF of $422.30M on $188.00M in operating cash flow. The FCF / Net Income ratio of 2.4x means free cash flow covers net income — earnings are backed by cash. Across the last 8 quarters, free cash flow has risen for 4 consecutive quarters — an improving trend.