Hot Tub Rules: Gresham vs Portland
How do hot tub rules rules compare between Gresham, OR and Portland, OR?
Gresham and Portland have similar restriction levels.
Gresham, OR
Multnomah County
Hot tub installations in Multnomah County require an electrical permit for the 240V circuit and must comply with Oregon Residential Specialty Code Appendix G if classified as a 'pool' (water deeper than 24 inches). A lockable ASTM F1346 safety cover may substitute for a fence on most spas. Setbacks follow underlying zoning; typical 3-5 ft from side property lines.
View full Gresham rules →Portland, OR
Multnomah County
Portland requires a plumbing and electrical permit for hot tubs and spas; a locking rigid ASTM F1346 cover can substitute for a full fenced barrier.
View full Portland rules →Key Facts Comparison
| Fact | Gresham | Portland |
|---|---|---|
| Electrical Permit | Required 50A 240V | - |
| Safety Cover | ASTM F1346 substitute | - |
| GFCI | Required NEC 680.41 | - |
| Setbacks | 5 ft Portland R-5 | - |
| Discharge | No storm drain | - |
| - | - |
Highlighted rows indicate differences between cities.
Gresham FAQ
Do I need a fence around my Portland hot tub?
Not if you install an ASTM F1346 lockable safety cover. This is the common alternative to a 48-inch barrier under Oregon Residential Specialty Code Appendix G.
Who enforces hot tub rules rules in Multnomah County?
Multnomah County's code enforcement division is responsible for swimming pools ordinances. You can report violations or request information through the Multnomah County government website or by calling the main municipal line.
Portland FAQ
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