Decks, Patios, Porches and Docks - height steps on outdoor stairs

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dvarga
10-09-04, 07:04 AM
I have a 80 year old house with four steps up to the front stoop, then you walk about 6' and you get to the door.

The existing brick and concrete steps are between 7" - 7 1/4" high.

I want to lower the brick walkway that leads up to the first step by 3/4". That would make the first step 8" tall, and it would be slightly taller than the other three steps.

Is that OK, is the individual height OK and is it OK to have one step slightly higher than the others?

I need to do this because there is a slight angle on the brick on the ground, leading up to the steps and this will eliminate that angle.


homebild
10-10-04, 07:55 AM
Step rises in any single set of steps must be uniform. Having one riser of a height different than another is a trip hazard and illegal under most codes.

The exception can sometimes be (at least under the older BOCA codes) that the bottom riser height could be different than the rest of the risers in the stairs, but only if it the bottom riser was smaller than the rest.

Under IRC code, all stair risers must be of equal height with some minor exception.

So, no, in all likelihood, you cannot do as you propose.