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CoStar Group (CSGP, Real Estate Services) Stock Valuation & Fair Value High quality, attractively priced for its growth

CoStar Group (CSGP, Real Estate Services) trades at a blended P/E of 27.3, about 60% below its historical normal valuation, with a forward growth estimate of 27.8% and a PEG of 0.98. Analysts' one-year estimates have been hit 45% of the time.

DATA AS OF 2026-08-21
Blended P/E
27.3
Normal P/E
68.7
PEG
0.98
Fwd growth
27.8%
Div yield
0.0%
RSI (14)
54.5
Neutral

The Street vs SeerForecast

Wall Street's mean price target for CSGP is $37.10 across 20 analysts, 15.0% above the current price. The average analyst rating is Buy. Our SeerForecast read of the same stock, formed without analyst targets: high quality, attractively priced for its growth. When the two disagree, start your digging there.

Valuation flags

Verdict history

tickerseer's rating moved from quality business with a solid forward outlook (2026-06-10) to high quality, attractively priced for its growth (2026-08-21).

Price and rating by weekClose moved -5.4 percent from 2026-06-10 to 2026-08-17, with 3 rating changes over 20 recorded weeks.2026-06-10: Quality business with a solid forward outlook, close 34.23 (recalculated)2026-06-14: Quality business with a solid forward outlook, close 32.84 (recalculated)2026-06-16: Quality business with a solid forward outlook, close 31.97 (recalculated)2026-06-21: Quality business with a solid forward outlook, close 30.12 (recalculated)2026-07-02: High quality, attractively priced for its growth, close 30.00 (recalculated)2026-07-06: High quality, attractively priced for its growth, close 28.70 (recalculated)2026-07-09: High quality, attractively priced for its growth, close 29.19 (recalculated)2026-07-12: High quality, attractively priced for its growth, close 28.39 (recalculated)2026-07-13: High quality, attractively priced for its growth, close 28.77 (recalculated)2026-07-14: High quality, attractively priced for its growth, close 27.68 (recalculated)2026-07-20: High quality, attractively priced for its growth, close 29.68 (recalculated)2026-07-22: High quality, attractively priced for its growth, close 27.69 (recalculated)2026-07-25: Fairly valued, close 27.66 (recalculated)2026-07-27: Fairly valued, close 29.17 (recalculated)2026-07-31: Fairly valued, close 28.76 (recalculated)2026-08-03: Fairly valued, close 28.762026-08-07: High quality, attractively priced for its growth, close 30.24 (recalculated)2026-08-10: High quality, attractively priced for its growth, close 30.242026-08-14: High quality, attractively priced for its growth, close 32.38 (recalculated)2026-08-17: High quality, attractively priced for its growth, close 32.3834322026-06-102026-08-17
Attractively valuedFairly valuedAbove fair valueLarger dot: a stronger reading

Not every point was recorded live. Points marked recalculated apply today's valuation rules to the metrics tickerseer archived that week.

2026-06-10P/E 31.4-54%Quality business with a solid forward outlook
2026-06-14P/E 31.4-54%Quality business with a solid forward outlook
2026-06-16P/E 31.4-54%Quality business with a solid forward outlook
2026-06-21P/E 31.4-54%Quality business with a solid forward outlook
2026-07-02P/E 26.4-62%High quality, attractively priced for its growth
2026-07-06P/E 26.9-61%High quality, attractively priced for its growth
2026-07-09P/E 26.9-61%High quality, attractively priced for its growth
2026-07-12P/E 25.2-63%High quality, attractively priced for its growth
2026-07-13P/E 25.2-63%High quality, attractively priced for its growth
2026-07-14P/E 25.2-63%High quality, attractively priced for its growth
2026-07-20P/E 26.2-62%High quality, attractively priced for its growth
2026-07-22P/E 26.2-62%High quality, attractively priced for its growth
2026-07-25P/E 24.1-65%Fairly valued
2026-07-27P/E 24.1-65%Fairly valued
2026-07-31P/E 25.5-63%Fairly valued
2026-08-03P/E 24.9-64%Fairly valued
2026-08-07P/E 25.4-63%High quality, attractively priced for its growth
2026-08-10P/E 26.0-62%High quality, attractively priced for its growth
2026-08-14P/E 28.2-59%High quality, attractively priced for its growth
2026-08-17P/E 27.6-60%High quality, attractively priced for its growth
2026-08-21P/E 27.3-60%High quality, attractively priced for its growth ← now

Frequently asked questions

Is CoStar Group stock overvalued?

At a blended P/E of 27.3 versus its historical normal P/E of 68.7, CoStar Group trades about 60% below its typical valuation, with a PEG of 0.98 on 27.8% forward growth. tickerseer currently rates it high quality, attractively priced for its growth.

What is CoStar Group's fair value and PEG?

CoStar Group trades at a blended P/E of 27.3 against a historical normal P/E of 68.7, a PEG of 0.98, and a forward growth estimate of 27.8%.

Has tickerseer's rating of CoStar Group changed?

tickerseer's rating moved from quality business with a solid forward outlook (2026-06-10) to high quality, attractively priced for its growth (2026-08-21).

What is the analyst price target for CoStar Group?

The mean Wall Street price target for CoStar Group is $37.10 across 20 analysts, 15.0% above the current price. tickerseer's SeerForecast verdict is formed independently of analyst targets.

Industry: Real Estate Services. Create a free account to see the full analysis: the SeerAI score, its five quality sub-scores, valuation history, and the AI research note. Options setups and metric history are part of the paid plans.

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