Hi heidi-
My brother lived in NoRo (that's txtspeak for North Royalton) for 3-4 years and he liked it quite a bit. It's a nice area. He lived on the side that borders Strongsville near Rt.82 & W.130th near the Mill Stream Run Reservation. I also had a really good friend that lived in the North Royalton area for a long time - he liked it as well. Safe area that I am aware of. My aunt and uncle also live there - we would always go over to their house for family Christmas parties, etc. and they live in a nice, safe neighborhood.
Im surprised that you can't find anything on it.
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Hopefully that will help a bit

Sorry for being so vague - it is a good city and always seemed safe to me and everyone that I know who lived/lives there.
Where is the house that you found located within NoRo, if you don't mind me asking?