Zoning & Size Limits
| Requirement | Salem, OR | Bend, OR |
|---|
| Allowed Zones | Accessory to detached single-family dwellings in residential | All residential zones |
| Max Size (Detached) | 900 sq ft (or 75% of the main building gross floor area, whichever is less) | 800 sq ft maximum floor area |
| Max Size (Attached) | 900 sq ft (or 75% of the main building gross floor area, whichever is less) | 800 sq ft maximum floor area |
| Max Height | Confirm with Salem Planning (SRC 700.007) | Per underlying zoning district; Confirm with Bend |
| Parking Required | Not required (Oregon HB 2001 prohibits ADU-specific parking | Not required (no minimum on-site parking for ADUs) |
| Owner Occupancy | Not required | Not required |
Setback Requirements
| Setback | Salem, OR | Bend, OR |
|---|
| Rear Setback | Confirm with Salem Planning (SRC 700.007) | Per underlying zoning district; detached ADU must be at least 6 ft from the main house |
| Side Setback | Confirm with Salem Planning (SRC 700.007) | Per underlying zoning district; Confirm with Bend Planning |
| Front Setback | Confirm with Salem Planning (SRC 700.007) | Per underlying zoning district; Confirm with Bend |
Permits & Timeline
| Detail | Salem, OR | Bend, OR |
|---|
| Permit Timeline | 45-65 days | 40-55 days |
| Permit Fees | $1,800-$3,000 | $1,700-$2,900 |
| Impact Fees | Minimal ($200-$400) | $400-$800 |
| Pre-Approved Plans | Available for detached ADUs | Available |
Construction Costs
| Cost | Salem, OR | Bend, OR |
|---|
| Avg Build Cost | $130,000-$260,000 | $140,000-$280,000 |
| Cost Per Sq Ft | $125-$250 | $140-$280 |
| Garage Conversion | $60,000-$150,000 | $70,000-$160,000 |
| Prefab ADU | $90,000-$210,000 | $100,000-$230,000 |
Rental Income Potential
| Rental | Salem, OR | Bend, OR |
|---|
| 1BR Avg Rent | $1,100-$1,550/mo | $1,300-$1,800/mo |
| 2BR Avg Rent | $1,400-$2,000/mo | $1,700-$2,500/mo |
| Short-Term Rentals | Permitted with license | Yes (vacation rental restrictions apply) |
| Est. ROI | 7-9% annual return | 7-10% annual return |
Which City Is Better for ADUs?
Salem scores 7/10 while Bend scores 7/10 on our ADU-friendliness index.
Both cities offer viable ADU development opportunities — the best choice depends on your specific property, budget, and goals.
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