MasTec Inc
NYSE: MTZ · INDUSTRIALS · ENGINEERING & CONSTRUCTION
Updated 2026-04-29
MasTec Inc (MTZ) Stock Valuation Analysis
Fair value estimate, historical valuation range, and quality signals for MTZ.
Valued
Valuation reasonably reflects current fundamentals. Limited margin of safety at these levels.
MTZ historical valuation range
Where current P/E sits in MTZ's own 5Y range.
MTZ intrinsic value (DCF)
DCF-based fair value estimate vs current market price.
Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.
MTZ valuation signals
Quick-read green flags, caution flags, and risks based on current metrics.
P/E Ratio — History
Current: 72.94x
P/S Ratio — History
Current: 2.04x
Is MTZ overvalued in 2026?
MasTec Inc (MTZ) currently trades at $370.55 per share with a market capitalization of $29,209,641,000.00. Based on our multi-factor framework, the stock trades at a fair valuation with a Smart Value Score of 53/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.
The stock trades at a P/E ratio of 72.9x, above its 5-year median of 50.5x. The PEG ratio of 2.28 indicates the price has run ahead of the underlying growth rate.
Looking at its own history, MTZ is currently trading more expensive than 83% of the last 5Y on P/E. This places it in the 83th percentile of its historical range, a zone where forward returns have typically been muted.
Our discounted cash flow model estimates MTZ's intrinsic value at $176.42 per share, against the current market price of $370.55. This implies a premium to fair value of -50.20%. The current price sits well above what projected cash flows justify, implying investors are paying for growth that has not yet materialized.
The Piotroski F-Score of 4/9 puts financial quality in a middling range, neither a standout strength nor an obvious red flag.
Bottom line: MTZ trades at a fair valuation on our framework, with a Smart Value Score of 53/100. The valuation is defensible but offers no obvious bargain. Patience or a better entry price may reward disciplined buyers.
Frequently asked questions
Is MTZ overvalued in 2026?
Based on a Smart Value Score of 53/100, MTZ is fairly valued. Price reasonably reflects current fundamentals with limited cushion in either direction.
What is MTZ's fair value?
Our DCF model estimates MTZ's intrinsic value at $176.42 per share, versus the current price of $370.55. This produces a margin of safety of -50.20%.
What P/E ratio does MTZ trade at?
MTZ trades at a P/E of 72.9x on trailing twelve-month earnings, compared to its 5-year median of 50.5x.
Is MTZ a buy based on valuation?
WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 53/100 reflects the combined read on growth, quality, and price. The profile is balanced. Best suited for investors with an existing thesis.
How does MTZ's valuation compare to its history?
On P/E, MTZ currently sits in the 83th percentile of its own 5Y range. That is historically expensive relative to where it has traded over the period.
What is MTZ's Smart Value Score?
MTZ's Smart Value Score is 53/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.