NY 158 proceeds winding north alongside the Black Creek as a two-lane road through several residences, crossing over the Bozen Kill.

Now paralleling the Bozen Kill, the route continues north through Guiderland as the waterway merges into the Watervliet Reservoir.

In the hamlet of Parkers Corners, NY 158 continues past some residences and an intersection with Old State Road.

[3] NY 158, now in the town of Rotterdam, continues north into the hamlet of Pine Grove as Guiderland Avenue.

[4][5] The former alignment of NY 158 between Curry Road and the Schenectady city line remained state-maintained as a reference route until April 1, 1980, when ownership and maintenance of the highway was transferred from the state of New York to Schenectady County as part of a highway maintenance swap between the two levels of government.