Carport Rules: Gresham vs Troutdale
How do carport rules rules compare between Gresham, OR and Troutdale, OR?
Gresham and Troutdale have similar restriction levels.
Gresham, OR
Multnomah County
Gresham Community Development Code Section 7.0420 (Design Standards for Single Detached, Duplex, Triplex and Quadplex) treats carports as accessory structures that face the street. Attached and detached garages and carports facing the street may not exceed 50 percent of the street frontage, must be set back at least 4 feet behind the street-facing wall closest to the street, and the front-yard driveway width is limited to the carport width. Building permits are administered under the Oregon Residential Specialty Code.
View full Gresham rules →Troutdale, OR
Multnomah County
Troutdale requires a building permit to construct, demolish, or move any carport over 200 square feet in floor area or over 10 feet in height (measured from finished floor to top plate). Smaller non-habitable accessory structures are permit-exempt but must still meet zoning setbacks. Carports also have to satisfy Troutdale Development Code parking dimensions and the underlying residential zone's setback and height standards. Confirm zone-specific setbacks with the Community Development Department at 503-665-5175.
View full Troutdale rules →Key Facts Comparison
| Fact | Gresham | Troutdale |
|---|---|---|
| Code Section | CDC 7.0420 | - |
| Street Frontage Cap | 50% (garages + carports) | - |
| Street-Wall Setback | 4 ft behind | - |
| Driveway Width | = carport width (front yard) | - |
| Building Code | Oregon Residential Specialty Code | Oregon Residential Specialty Code |
| Permit Threshold | - | Over 200 sq ft OR over 10 ft top-plate height |
| Permit Exemption | - | Non-habitable accessory under 200 sq ft and 10 ft |
| Fabric-Cover Exemption | - | Up to 500 sq ft, 1 story, 3 ft from line |
| Zoning Setbacks | - | Per residential zone (TDC Ch. 3) - confirm with Planning |
| Parking Standards | - | Troutdale Development Code Chapter 8 |
| Building Division | - | 503-674-7272 / inspection@troutdaleoregon.gov |
| Planning Phone | - | 503-665-5175 |
Highlighted rows indicate differences between cities.
Gresham FAQ
How far back from the street does a carport have to sit in Gresham?
A carport facing the street must be set back at least 4 feet behind the street-facing wall of the dwelling closest to the street under Gresham CDC Section 7.0420. As an alternate, a wall plane with a street-facing primary entry may be set back up to 8 feet behind the carport wall if a covered porch of at least 30 square feet and 5 feet wide is provided.
Can I cover my whole front yard with a carport in Gresham?
No. Gresham CDC Section 7.0420 caps the combined street-facing width of attached and detached garages and carports at 50 percent of the street frontage per parent lot. The front-yard driveway is also limited to the width of the carport itself, and the carport requires a building permit under the Oregon Residential Specialty Code.
Troutdale FAQ
Do I need a permit to build a carport in Troutdale?
Yes, if it is more than 200 square feet in floor area or more than 10 feet in height measured from finished floor to the top plate. Smaller non-habitable accessory structures are permit-exempt but must still meet zoning setbacks.
How tall can a carport be in Troutdale?
Troutdale's accessory-structure height limits are set by the underlying residential zone in the Development Code. Confirm the cap for your zone (R-4, R-5, R-7, R-10, R-20) with the Community Development Department at 503-665-5175 before building.
How far does my carport have to sit from the property line?
Setbacks vary by zoning district. The city has not published a single citywide carport setback - confirm side, rear, and front setbacks for your zone with Community Development at 503-665-5175.
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