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whiterosesinbloom

Garage - one car to two - up and over or 90 degree? clear span?

1960's ranch in upstate NY. Nice neighborhood, great location, many homes here doing the same to their garages, if they weren't originally built with a two-car garage.

This home is sideways on its narrow lot (see photos). The septic is about 12' out to the left, so there should be room for a 10' expansion, which is the local limit before the town requires stamped blueprints.

There is a step down in the roof to the garage, on the north side of the roof. A 90 degree addition would form an area against that step-down that would accumulate snow and ice on the north side of the roof - not good. Therefore I think building up about four feet, then over - making the step down into a step up - would be better.

I envision the existing load bearing wall being taken out, the floor being level across the old and new, and the span being clear - no posts.

Would any good contractor be able to handle this without an engineer drawing up plans? Or would that be a mistake?

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