After you connected the first stringer then follow the same process for the rest of the stringers and risers.
How to build deck stairs with a landing in the middle. Place the landing in the proper place. Build the stringers for the lower section and dry fit them. They have risers also called toe kicks treads and railings.
They rest on a solid foundation and are attached to the deck with hangers. Use L brackets and screws to attach everything. Essentially the technique is use the foundation as a landing area and delete the rest of the floors.
Project a board or something level with the deck surface to where you would like the stairs to end. Lay out the Stairs. When the deck is freestanding and not connected to the house then the stair footing and all other footings for the deck.
Make sure that they all are in uniform length. If your deck is on the second floor or higher you have another piece of the building code to factor in. You would also have stairs going to your door from outside or a front deck.
Step 5 Cut the Stringers Since you know the rise and the tread size you are ready to cut the stringers that hold up the stairs. Set the posts for the landing and build the stairs to the landing. There are several pieces of building code to consider when building your deck stair landing.
The stairs should be at least 36 inches wide. This image shows a contemporary technique where solid stringers and open risers are set higher up against the fascia and angle brackets secure them to the deck. How To Build Deck Stairs With A Landing In The Middle Easy Tutorial How To Build Deck Stairs With A Landing In The Middle.