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Conventions for House Addresses (self.openstreetmap)

submitted 1 year ago* (last edited 1 year ago) by beppi to c/[email protected]

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Hey guys, I know this question is probably answered somewhere on the internet but I just can't seem to find it.

In OSM, I have an address, and on that block of land I have many separate small houses, each with the same house number, but different unit/flat numbers. I could assign housenumber 123 to each but from what I understand, duplicating information is bad.

Is it a good idea to instead omit this information from each house, and draw an area around the entire block with addr tags on that specifying housenumber, suburb, street etc. and each actual house only has unit number and building type?

Thanks guys

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[–] [email protected] 3 points 1 year ago* (last edited 1 year ago)

I would indeed add addr:housenumber= to each unit, there is also addr:unit= which I would prefer over constructions like "addr:housnumber=123/4". Drawing a polygon around the lot for the housenumber sounds usable, for which I would use the residential that should already be there but, preferred method for that (afaik) is a singular address node.

There is probably a section in the wiki that describes, or at least proposes, a setup for precisely this use case.

addend: Another adjacent tag to addr:unit= would be ref=, though with buildings this also is often applied to buildings that already have differend housenumbers.