Tetra Tech Inc (TTEK) fair value: what the stock is really worth
As of Sep 23, 2026: fair value of Tetra Tech Inc $27.20, price $34.90, upside -22.1%, quality 63 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
- Fair value above price? No
- Good quality? Yes
- Add to watchlist
Tetra Tech Inc
TTEK · USOvervalued / MonitorQuality is not strong enough to offset the price risk.
What runs behind every stock
69 individual criteria per stock, every one traceable See the method →
Price vs Fair Value
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 24, 2026.
How to read this chart
60‑month range $23.19 – $49.87 · fair‑value band $18.09 – $36.31 · the $34.90 price screens above the $27.20 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). 1 fiscal year is left out: there the valuation rested on only a fraction of the usual models. Dashed = 300-day average. As of Sep 24, 2026.
Every Wednesday you see whether Tetra Tech is on track or worth a review, plus price against fair value. Free, up to 3 stocks.
We send you a confirmation link. Unsubscribe with one click.
Company profile
Tetra Tech, Inc. provides consulting and engineering services focusing on water, environment, and sustainable infrastructure in the United States and internationally. The company operates through two segments, Government Services Group (GSG) and Commercial/International Services Group (CIG).
Show more
Tetra Tech, Inc. provides consulting and engineering services focusing on water, environment, and sustainable infrastructure in the United States and internationally. The company operates through two segments, Government Services Group (GSG) and Commercial/International Services Group (CIG). The GSG segment offers consulting and engineering services, including water resources analysis and water management, environmental monitoring, data analytics, government consulting, waste management, and civil infrastructure master planning and resilient engineering design for facilities, as well as transportation and local development projects primarily to government clients, including federal, state, and local, as well as international development agencies. It also offers sustainable solutions, such as energy management consulting, and greenhouse gas inventory assessment, certification, reduction, and management services. The CIG segment provides consulting and engineering services, including natural resources, energy, and utilities, as well as sustainable infrastructure master planning and engineering design for facilities; and transportation and local development projects to commercial and international clients, including the commercial and government sectors. The company offers early data collection and monitoring, data analysis and information management, science and engineering applied research, engineering design, project management, and operations and maintenance services; climate change consulting; greenhouse gas inventory assessment, certification, reduction, and management services; environmental remediation and reconstruction services, industrial water treatment and reuse services; and engineering services, such as data centers, advanced manufacturing, security systems, training and audiovisual facilities, clean rooms, laboratories, medical facilities, and disaster preparedness facilities. The company was founded in 1966 and is headquartered in Pasadena, California.
Stock analysis
Tetra Tech Inc (TTEK) currently trades at $34.90, while our model-based Fair Value estimate is $27.20, implying the stock looks roughly 28.3% overvalued today.
Show more
Valuation
Bull case: the Growth DCF group reads highest at a median of $31.90 per share, and 2 of the 26 models we run sit above the $34.90 price.
Bear case: the Dividend Discount group reads lowest at $3.79, and 24 of the 26 models stay below the price. Evidence for this calculation is high.
Scenario range: $18.09 (bear) to $36.31 (bull), the price of $34.90 sits inside it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 63/100 (solid quality), in the Industrials sector.
Healthy Growth: Revenue growth appears healthy and is supported by profitability and cash-flow quality.
Tetra Tech Inc reported revenue of $5.4B in FY2025 versus $3.2B in FY2021, a compound +14.1%/yr. Reported net income was $248M in FY2025, compounding +1.6%/yr from FY2021.
Key figures
Market cap $9.3B · P/E ratio 20.9 · P/S ratio 0.95 · EPS (TTM) $1.67 · Dividend yield 0.7% · Net margin 4.6% · Return on equity 25.7% · Return on assets (EBIT) 11.9%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 48 out of 100 (low confidence).
What moves the price
The share trades about 18% below its 52-week high and 33% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Industrials peers we cover trades at −31% fair-value upside, at −22%, TTEK screens cheaper than that median.
Fair Value models
All 26 models by family
Notify me when TTEK reaches fair value
Put TTEK on your watchlist. We get in touch as soon as price and fair value meet or the trend turns.
Set up alert →Quality Score breakdown
Of which business quality 63 · Market factors (momentum, volatility) 54
Revenue & earnings trend
Growth Forecast
TTEK screens 28% overvalued. Compare with Quanta Services, Inc →
Earlier news
- Tetra Tech's Board Approves Additional Share Buyback Program
- Tetra Tech Announces $500 Million Increase to its Share Repurchase Program
Compare Tetra Tech Inc with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Engineering & Construction · 822 stocks
Valuation Multiplesvs Engineering & Construction median · lower = cheaper
Strength profile in five axes (Snowflake)
Context: sector, industry, market
- Is the Industrials sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Undervalued stocks: Industrials
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Engineering & Construction stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Quanta Services, Inc PWR | $642.63 | $163.08 | −75% |
| Vinci SA DG | €112.30 | €185.62 | +65% |
| Comfort Systems USA, Inc FIX | $1,625 | $1,122 | −31% |
| Larsen & Toubro Limited LT | ₹3,866 | ₹1,994 | −48% |
| Ferrovial N.V FER | $56.30 | $24.01 | −57% |
| Samsung C&T Corporation 028260 | 367,000 KRW | 264,296 KRW | −28% |
| HOCHTIEF Aktiengesellschaft HOT | €403.60 | €203.87 | −49% |
| ACS, Actividades de Construcción y Servicios, S.A ACS | €95.95 | €75.04 | −22% |
| EMCOR Group EME | $756.50 | $521.87 | −31% |
| MasTec, Inc MTZ | $221.69 | $106.05 | −52% |
Explore undervalued stocks
More undervalued Industrials stocks →
Try a ready-made strategy
Pick a strategy and jump into the live analysis with that exact screen applied.
Discover tools
Frequently asked questions
Is Tetra Tech Inc (TTEK) overvalued or undervalued?
What is the fair value of TTEK?
What is the quality score of TTEK?
What is the price target for Tetra Tech Inc (TTEK)?
What is the Tetra Tech Inc stock forecast for 2026?
What is the revenue of Tetra Tech Inc (TTEK)?
Does Tetra Tech Inc pay a dividend?
What growth is priced into Tetra Tech Inc (TTEK)?
What discount rate (WACC) does the fair value of TTEK use?
What is a reverse DCF?
How much growth has Tetra Tech Inc (TTEK) delivered so far?
How fast is the sector of Tetra Tech Inc (TTEK) growing?
What is the free cash flow yield of Tetra Tech Inc (TTEK)?
What is the intrinsic value of Tetra Tech Inc (TTEK)?
Is Tetra Tech Inc stock overvalued or undervalued in 2026?
Is fair value the same as the market price of TTEK?
How much is Tetra Tech Inc worth?
What do the bullish and bearish scenarios say about TTEK?
What is the P/E ratio of TTEK?
What is the PEG ratio of TTEK?
How solid is the balance sheet of Tetra Tech Inc (TTEK)?
How far is TTEK from its 52-week high?
Which stocks are comparable to Tetra Tech Inc?
Is Tetra Tech Inc stock attractive at the current price?
How is the fair value of TTEK calculated?
Is it still worth investing in stocks now?
What is the share price of Tetra Tech Inc (TTEK)?
What should I pay attention to with Tetra Tech Inc right now?
Where does the earnings growth of Tetra Tech Inc (TTEK) come from?
Key figures of Tetra Tech Inc
How large is the market capitalisation of Tetra Tech Inc (TTEK)?
What is the P/S ratio of Tetra Tech Inc (TTEK)?
What are the earnings per share of Tetra Tech Inc (TTEK)?
What is the dividend yield of Tetra Tech Inc (TTEK)?
What is the net margin of Tetra Tech Inc (TTEK)?
What is the return on equity of Tetra Tech Inc (TTEK)?
What is the EBIT return on assets of Tetra Tech Inc (TTEK)?
What is the operating margin of Tetra Tech Inc (TTEK)?
How fast is revenue growing at Tetra Tech Inc (TTEK)?
How fast are earnings growing at Tetra Tech Inc (TTEK)?
How much net debt does Tetra Tech Inc (TTEK) carry?
Watch Tetra Tech Inc in the live analysis
One click puts Tetra Tech Inc on your watchlist: fair value and trend at a glance, plus comparison, the diversification check and the 35,000+ stock screener. You can also try 14 days of Pro there, no card.
Watch for free →Zero risk: nothing is ever charged. Your watchlist is yours, with or without an account.