Portland, OR · zoning record
RM1 zoning in Portland.
The dimensional standards that govern what you can build in the RM1 district, straight from Portland's ordinance, with every figure quoting its source. Check a specific address to see how these rules apply to a real lot.
Free · Every figure cited · Read from the current code
RM1 dimensional standards.
These are the letter-of-the-law limits for the base RM1 district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.
Permitted uses in RM1
- single-familyby-right
- two-familyby-right
- multi-familyby-right
- manufactured-homeby-right
Sources
Every figure above is quoted verbatim from the current ordinance. We never substitute a typical-for-zone default: a field absent from the record shows nothing, not a guess.
Check a real Portland lot against RM1.
See how these standards resolve on a specific parcel, with the overlays that actually apply, in about 20 seconds.
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