Pisa lays the bricks, Petra supplies them, and Panama handles the mortar. This approach allows the construction process to be divided among specialized machines, bringing it closer to continuous, automated operation.
Computer vision ensures accuracy.
Robots need to precisely determine the position of each brick before laying it. Monumental employs machine vision, kinematic chains, and spatial coordinate mapping. The system accounts for the brick's X, Y, and Z position and its orientation, then adjusts the laying operation accordingly.
Robots are already working on construction sites.
Unlike many experimental construction robots, Monumental’s technology is already being used on real-world sites. The company reports having over 100 robots , more than 100 houses built , and over 40 completed projects .
From simple masonry to autonomous construction
Monumental is developing a system for more complex architectural designs, including vertical bricklaying, and is also working on automating other construction site operations. The company's goal is to gradually transition from a standalone bricklaying robot to a coordinated autonomous system.
Monumental’s technology combines computer vision, autonomous control, and the Atrium software platform. This allows the system to be classified as autonomous robotics and Physical AI, although the robots do not design buildings themselves but rather execute operations based on digital designs and construction parameters.
Date of last major update: April 30, 2026
Latest major corporate event: July 15, 2026 — $32 million Series B
Additional information
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Pisa directly lays the bricks. Petra supplies the robot with bricks, while Panama handles the mortar delivery. Together, they form a coordinated fleet in which the various stages of masonry work are distributed among specialized machines.
Monumental employs computer vision and spatial coordinate matching. The robot determines the brick's position within the gripper—based on X, Y, and Z coordinates—as well as its orientation. The resulting offset is factored into the laying process, enabling real-time adjustments to the robot's movement.
According to Monumental, by 2026, the company’s fleet comprises over 100 robots . They have been used to build more than 100 houses and complete over 40 projects . In January 2026, the company also reported laying approximately 170,000 bricks over the preceding year.
Monumental is expanding its capabilities to handle more complex architectural designs. In one project scheduled for 2026, the robots were required for the first time to work with vertically placed bricks—a configuration known as a " soldier course ." This necessitated greater precision in both brick recognition within the gripper and positioning.
The company is working on the automatic installation of wall anchors, automated mortar joint finishing, autonomous lifting platforms, automatic material feeding, more precise brick placement, and operations within the confined spaces of scaffolding.
On July 15, 2026, Monumental announced that it had raised $32 million in a Series B round . The round was led by Khosla Ventures. The company stated that the funding would be used to scale its autonomous construction robots and expand into the US market.
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