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Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements
12 Months Ended
Dec. 31, 2025
Noncontrolling Interest [Line Items]  
Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements Noncontrolling Interests on the Company’s Consolidated Financial Statements
Common Units of the Operating Partnership

The Company owned an approximate 99.1% and 99.0% common general partnership interest in the Operating Partnership as of December 31, 2025 and 2024, respectively. The remaining approximate 0.9% and 1.0% common limited partnership interest as of December 31, 2025 and 2024, respectively, was owned by non-affiliated investors in the form of noncontrolling common units. There were 1,133,562 and 1,150,574 common units outstanding held by these investors as of December 31, 2025 and 2024, respectively.

The noncontrolling common units may be redeemed by unitholders for cash. Except under certain circumstances, we, at our option, may satisfy the cash redemption obligation with shares of the Company’s common stock on a one-for-one basis. If satisfied in cash, the value for each noncontrolling common unit upon redemption is the amount equal to the average of the closing quoted price per share of the Company’s common stock, par value $0.01 per share, as reported on the NYSE for the ten trading days immediately preceding the applicable redemption date. The aggregate value upon redemption of the then-outstanding noncontrolling common units was $43.2 million and $46.8 million as of December 31, 2025 and 2024, respectively. This redemption value does not necessarily represent the amount that would be distributed with respect to each noncontrolling common unit in the event of our termination or liquidation. In the event of our termination or liquidation, it is generally expected that each common unit would be entitled to a liquidating distribution equal to the liquidating distribution payable in respect of each share of the Company’s common stock.

Noncontrolling Interest in Consolidated Property Partnerships

Refer to Note 11 “Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements” for additional information regarding these consolidated property partnerships.
Kilroy Realty L.P.  
Noncontrolling Interest [Line Items]  
Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements
Consolidated Property Partnerships

The noncontrolling equity interests in 100 First LLC and 303 Second LLC as of December 31, 2025 and 2024 were $160.3 million and $169.4 million, respectively. The remaining amount of noncontrolling equity interests in consolidated property partnerships represents the third party equity interests in Redwood LLC. This noncontrolling equity interest was $4.7 million and $4.9 million as of December 31, 2025 and 2024, respectively.