Bend welcomes ADU development with by-right approval and generous size allowances. The city's rapid growth and housing shortage have made ADU policy progressive, creating excellent conditions for residential infill development.
Zoning & Size Requirements [1]
Yes, you can build an ADU in Bend. A detached ADU can be up to 800 sq ft under current Oregon and Bend zoning rules.
| Allowed Zones | All residential zones |
| Max Size (Detached) | 800 sq ft maximum floor area |
| Max Size (Attached) | 800 sq ft maximum floor area |
| Max Size (JADU) | N/A (Oregon does not use a separate JADU category) |
| Max Height | Per underlying zoning district; Confirm with Bend Planning |
| Max Units | Up to 2 ADUs per lot |
Setback Requirements [1]
Bend requires a rear setback of about 6 ft for a detached ADU, and no additional parking is required. Owner-occupancy is not required — you can rent it out without living on the property.
| Rear Setback | Per underlying zoning district; detached ADU must be at least 6 ft from the main house |
| Side Setback | Per underlying zoning district; Confirm with Bend Planning |
| Front Setback | Per underlying zoning district; Confirm with Bend Planning |
| Parking Required | Not required (no minimum on-site parking for ADUs) |
| Owner Occupancy | Not required |
| Min Lot Size | 4,000 sq ft |
Permit Process & Fees
An ADU permit in Bend typically costs $1,700-$2,900 and takes 40-55 days, through a ministerial, by-right review.
| Approval Process | By-right with building permit |
| Review Timeline | 40-55 days |
| Permit Fees | $1,700-$2,900 |
| Impact Fees | $400-$800 |
| Plan Check | 2-3 weeks |
| Pre-Approved Plans | Available |
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Construction Costs [2][3]
Building an ADU in Bend typically costs $140,000-$280,000 ($140-$280 per sq ft); a garage conversion runs $70,000-$160,000.
| Average Build Cost | $140,000-$280,000 |
| Cost per Sq Ft | $140-$280 |
| Garage Conversion | $70,000-$160,000 |
| Prefab ADU (Installed) | $100,000-$230,000 |
Finance Your ADU Project
Most ADU projects are funded through HELOCs, construction loans, or cash-out refinancing. Compare rates from top lenders.
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Rental Income Potential [4][5]
A 2-bedroom ADU in Bend rents for around $1,700-$2,500/mo, an estimated 7-10% annual return.
| Avg Rent (1 Bedroom) | $1,300-$1,800/mo |
| Avg Rent (2 Bedroom) | $1,700-$2,500/mo |
| Short-Term Rental | Yes (vacation rental restrictions apply) |
| Est. Annual ROI | 7-10% annual return |
Explore Prefab ADU Options
Prefab ADUs can save 20-40% vs. traditional construction and cut build time in half.
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Recent Law Changes
What's Changed Recently
- Oregon HB 2138 (signed 2025): voids HOA/CC&R restrictions on ADUs and middle housing; operative January 1, 2027
- Bend allows up to two ADUs per lot (max 800 sq ft floor area each) with no minimum on-site parking required
- ADUs limited to lots with single-unit homes, townhomes, or manufactured homes; special standards apply in NorthWest Crossing and historic districts
- ADUs allowed in all residential zones under statewide HB 2001
Tips for Building an ADU in Bend
- Bend's mountain resort appeal attracts strong vacation rental market
- Tourism season creates peak rental demand; plan for seasonal variations
- Lower cost basis than Portland; excellent ROI potential
- Quick approval process means faster project start and revenue generation
ADU Builders in Bend
Looking for an ADU builder in Bend? ADU projects need a contractor experienced with local zoning, the permit process, and utility connections — not every general contractor has built one. We match Bend homeowners with experienced local ADU contractors who provide free, no-obligation quotes. Getting at least three bids typically saves 20-40% on the same scope.
Sources & References
All data on this page is sourced from official government records and verified market data. View our full methodology.
- ADU Code Requirements — City of Bend Planning Department — Accessed 2026-06-28
- Angi — ADU Construction Cost Data Market Data — Accessed 2026-02-24
- Angi — Local ADU Contractor Costs Market Data — Accessed 2026-02-24
- Zillow Rental Manager — Market Rent Data Market Data — Accessed 2026-02-24
- HUD Fair Market Rents Government Data — Accessed 2026-02-24
- Oregon 2025 Legislative Session Overview (HB 2138) — DLCD Government Data — Accessed 2026-06-28
Frequently Asked Questions
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