Artificial Turf: Gresham vs Portland
How do artificial turf rules compare between Gresham, OR and Portland, OR?
Gresham has fewer restrictions than Portland.
Gresham, OR
Multnomah County
Artificial turf is permitted throughout Multnomah County without building permits for residential installations. HOAs cannot prohibit artificial turf under Oregon ORS 94.776 (HB 2571, 2023). Portland's Stormwater Management Manual treats turf as impervious surface for stormwater calculations over 500 sq ft, which may trigger BES review.
View full Gresham rules →Portland, OR
Multnomah County
Portland allows artificial turf in residential yards subject to PCC Title 24 drainage and stormwater rules; many sustainability programs discourage it in favor of permeable landscape.
View full Portland rules →Key Facts Comparison
| Fact | Gresham | Portland |
|---|---|---|
| HOA Ban | Prohibited ORS 94.776 | - |
| Permit | Not required | - |
| Stormwater Trigger | Over 500 sq ft Portland | - |
| Crumb Rubber | Discouraged | - |
| Surface Heat | Up to 150°F+ | - |
| - | - |
Highlighted rows indicate differences between cities.
Gresham FAQ
Can my Portland HOA ban artificial turf?
No. Oregon HB 2571 (ORS 94.776) voids HOA prohibitions on synthetic turf. HOAs may impose reasonable quality standards but cannot ban it.
Who enforces artificial turf rules in Multnomah County?
Multnomah County's code enforcement division is responsible for landscaping 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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