General	9 Months Ended
Sep. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
General	General Basis of Presentation: The condensed consolidated financial statements included herein have been prepared by Granite Construction Incorporated (“we,” “us,” “our,” the “Company” or “Granite”) pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), are unaudited and should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2025 (“Annual Report”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted. Further, the condensed consolidated financial statements reflect, in the opinion of management, all normal recurring adjustments necessary to state fairly our financial position at September 30, 2026 and the results of our operations and cash flows for the periods presented. The December 31, 2025 condensed consolidated balance sheet data included herein was derived from audited consolidated financial statements but does not include all disclosures required by U.S. GAAP. Share Repurchase Program: On February 1, 2022, the Board of Directors authorized us to purchase up to $300.0 million of our common stock at management’s discretion. During the three and nine months ended September 30, 2026 there were 300,000 shares repurchased under the 2022 authorization, compared to 51,120 shares and 51,320 shares repurchased in three and nine months ended September 30, 2025, respectively. The share repurchases are included in Repurchases of common stock on the Condensed Consolidated Statements of Shareholders’ Equity and within Financing activities on the Condensed Consolidated Statements of Cash Flows. As of September 30, 2026, $121.0 million of the authorization remained available. Seasonality: Our operations are typically affected more by weather conditions during the first and fourth quarters of our fiscal year which may alter our construction schedules and can create variability in our revenues and profitability. Therefore, the results of operations for the three and nine months ended September 30, 2026 are not necessarily indicative of the results to be expected for the full year.

Basis of Presentation: The condensed consolidated financial statements included herein have been prepared by Granite Construction Incorporated (“we,” “us,” “our,” the “Company” or “Granite”) pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), are unaudited and should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2025 (“Annual Report”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted. Further, the condensed consolidated financial statements reflect, in the opinion of management, all normal recurring adjustments necessary to state fairly our financial position at September 30, 2026 and the results of our operations and cash flows for the periods presented. The December 31, 2025 condensed consolidated balance sheet data included herein was derived from audited consolidated financial statements but does not include all disclosures required by U.S. GAAP.

Share Repurchase Program: On February 1, 2022, the Board of Directors authorized us to purchase up to $300.0 million of our common stock at management’s discretion. During the three and nine months ended September 30, 2026 there were 300,000 shares repurchased under the 2022 authorization, compared to 51,120 shares and 51,320 shares repurchased in three and nine months ended September 30, 2025, respectively. The share repurchases are included in Repurchases of common stock on the Condensed Consolidated Statements of Shareholders’ Equity and within Financing activities on the Condensed Consolidated Statements of Cash Flows. As of September 30, 2026, $121.0 million of the authorization remained available.

Seasonality: Our operations are typically affected more by weather conditions during the first and fourth quarters of our fiscal year which may alter our construction schedules and can create variability in our revenues and profitability. Therefore, the results of operations for the three and nine months ended September 30, 2026 are not necessarily indicative of the results to be expected for the full year.