A modular ladder assembly includes a lower sleeve with a plurality of first engagement points and a plurality of second engagement points. An upper sleeve is slidably insertable into the lower sleeve to extend along a full height of a framed wall. The upper sleeve has a plurality of primary engagement points and a plurality of secondary engagement points. A plurality of first pegs is attachable to a respective one of the first engagement points or a respective one of the primary engagement points to facilitate a user to climb on the plurality of first pegs. A plurality of second pegs is insertable into a respective one of the second engagement points to engage the framed wall. A plurality of third pegs is insertable into a respective one of the second engagement points to engage the framed wall.

A modular ladder assembly includes a lower sleeve with a plurality of first engagement points and a plurality of second engagement points. An upper sleeve is slidably insertable into the lower sleeve to extend along a full height of a framed wall. The upper sleeve has a plurality of primary engagement points and a plurality of secondary engagement points. A plurality of first pegs is attachable to a respective one of the first engagement points or a respective one of the primary engagement points to facilitate a user to climb on the plurality of first pegs. A plurality of second pegs is insertable into a respective one of the second engagement points to engage the framed wall. A plurality of third pegs is insertable into a respective one of the second engagement points to engage the framed wall.