MasTec (MEX:MTZ) Long-Term Debt: MXN44,911 Mil (As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MEX:MTZ MasTec Inc MEX:MTZ
59 GF Score
Price MXN4,661.57
GF Value MXN3,325.62
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is MasTec Long-Term Debt?

MasTec MEX:MTZ 59 Long-Term Debt is MXN44,911 Mil as of Jun. 2026. GuruFocus rates MEX:MTZ with a GF Score™ of 59/100 and a GF Value™ of MXN3,325.62 (Significantly Overvalued). The stock has 4 warning signs investors should review.

MasTec's Long-Term Debt for the quarter that ended in Jun. 2026 was MXN44,911 Mil.

MasTec's quarterly Long-Term Debt increased from Dec. 2025 (MXN39,187 Mil) to Mar. 2026 (MXN42,851 Mil) and increased from Mar. 2026 (MXN42,851 Mil) to Jun. 2026 (MXN44,911 Mil).

MasTec's annual Long-Term Debt declined from Dec. 2023 (MXN49,023 Mil) to Dec. 2024 (MXN42,504 Mil) and declined from Dec. 2024 (MXN42,504 Mil) to Dec. 2025 (MXN39,187 Mil).

MasTec  (MEX:MTZ) Long-Term Debt Explanation

Long-Term Debt is the sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. Long-Term Debt includes notes payable, bonds payable, mortgage loans, convertible debt, subordinated debt and other types of long term debt.

MasTec Long-Term Debt Related Terms

MasTec Long-Term Debt Historical Data

* Premium members only.

The historical data trend for MasTec's Long-Term Debt 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.

MasTec Long-Term Debt Chart

MasTec Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Long-Term Debt
Get a 7-Day Free Trial Premium Member Only Premium Member Only 38,489.04 59,505.56 49,022.61 42,504.27 39,187.10

MasTec Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Long-Term Debt Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 39,480.60 40,347.81 39,187.10 42,851.23 44,910.92
MEX:MTZ
59GF Score
MasTec Inc MEX:MTZ
Long-Term Debt is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis
Frequently Asked Questions Learn more about Long-Term Debt →
What does a Long-Term Debt of MXN44,911 Mil mean?
MasTec (MEX:MTZ) has a Long-Term Debt of MXN44,911 Mil as of Jun. 2026.
Is MasTec's Long-Term Debt too high?
MasTec's current Long-Term Debt is MXN44,911 Mil. Overall, MasTec has a GF Score™ of 59/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does MasTec's Long-Term Debt compare to EME and STRL?
MasTec's Long-Term Debt of MXN44,911 Mil can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Long-Term Debt for a Construction company?
A good Long-Term Debt depends on the Construction industry context. However, Long-Term Debt should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Long-Term Debt mean?
A high Long-Term Debt can signal that a stock is expensive relative to its fundamentals. MasTec's current Long-Term Debt is MXN44,911 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is MasTec stock overvalued right now?
Based on GuruFocus' analysis, MasTec (MEX:MTZ) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN3,325.62, compared to a current price of MXN4,661.57 — trading 40.2% above its estimated fair value. The current Long-Term Debt is MXN44,911 Mil. MasTec's overall GF Score™ is 59/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Long-Term Debt calculated?
Long-Term Debt is calculated from a company's financial statements. For MasTec (MEX:MTZ), the current Long-Term Debt is MXN44,911 Mil as of Jun. 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 MasTec (MEX:MTZ) Overvalued in 2026?

Based on GuruFocus' analysis, MasTec stock appears to be overvalued. The current stock price of MXN4,661.57 is trading 40.2% above its estimated GF Value™ of MXN3,325.62. GuruFocus considers MasTec to be Significantly Overvalued.

Key valuation signals for MEX:MTZ:

  • Long-Term Debt: MXN44,911 Mil
  • GF Value™: MXN3,325.62 vs. price of MXN4,661.57 (40.2% above fair value)
  • GF Score™: 59/100 with 4 warning signs

No single metric tells the full story. See the MEX:MTZ stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

MasTec Business Description

Other Exchanges MTZ:USAMY8:Germany
Address 800 S. Douglas Road, 12th Floor, Coral Gables, FL, USA, 33134
MasTec is a leading infrastructure construction company operating mainly in North America across a range of industries. Its primary activities include engineering, building, installing, maintaining, and upgrading communications, oil and gas, utility, renewable energy, and other infrastructure. MasTec reports its results under five segments: communications; clean energy and infrastructure; pipeline infrastructure; power delivery; and other.
59GF Score

Get the complete analysis for MEX:MTZ

Long-Term Debt is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN4,661.57
Price
MXN3,325.62
GF Value