ADU Rules in Bend, Oregon

Complete guide to building an Accessory Dwelling Unit in Bend — zoning, setbacks, permits, costs, and more.

Max Size: 800 sq ft maximum floor area Setbacks: Per underlying zoning district; detached ADU must be at least 6 ft from the main house No Parking Required Verified: 2026-06-28
ADU Score: 7/10
Moderately friendly · how we score

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 ZonesAll 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 HeightPer underlying zoning district; Confirm with Bend Planning
Max UnitsUp 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 SetbackPer underlying zoning district; detached ADU must be at least 6 ft from the main house
Side SetbackPer underlying zoning district; Confirm with Bend Planning
Front SetbackPer underlying zoning district; Confirm with Bend Planning
Parking RequiredNot required (no minimum on-site parking for ADUs)
Owner OccupancyNot required
Min Lot Size4,000 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 ProcessBy-right with building permit
Review Timeline40-55 days
Permit Fees$1,700-$2,900
Impact Fees$400-$800
Plan Check2-3 weeks
Pre-Approved PlansAvailable

Get Free ADU Quotes in Bend

Tell us about your project and we'll connect you with ADU builders serving Bend. Free, no obligation — you choose who to work with.

🔒 Your info is secure. We share it only with contractors quoting your project. No spam, no obligation.

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.

Some links on this page are affiliate links. We may earn a commission at no extra cost to you. Learn more

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 RentalYes (vacation rental restrictions apply)
Est. Annual ROI7-10% annual return

Explore Prefab ADU Options

Prefab ADUs can save 20-40% vs. traditional construction and cut build time in half.

Some links on this page are affiliate links. We may earn a commission at no extra cost to you. Learn more

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.

  1. ADU Code Requirements — City of Bend Planning Department — Accessed 2026-06-28
  2. Angi — ADU Construction Cost Data Market Data — Accessed 2026-02-24
  3. Angi — Local ADU Contractor Costs Market Data — Accessed 2026-02-24
  4. Zillow Rental Manager — Market Rent Data Market Data — Accessed 2026-02-24
  5. HUD Fair Market Rents Government Data — Accessed 2026-02-24
  6. Oregon 2025 Legislative Session Overview (HB 2138) — DLCD Government Data — Accessed 2026-06-28

Frequently Asked Questions

Can I build an ADU in Bend?

Yes. ADUs are allowed in All residential zones in Bend. The maximum size for a detached ADU is 800 sq ft maximum floor area. Owner-occupancy is not required, so you can rent out the ADU.

How much does an ADU cost in Bend?

ADU construction in Bend typically costs $140,000-$280,000. Garage conversions run $70,000-$160,000, and prefab ADUs cost $100,000-$230,000.

How much can I rent an ADU for in Bend?

Average ADU rents in Bend are $1,300-$1,800/mo for a 1-bedroom and $1,700-$2,500/mo for a 2-bedroom unit.

Do I need parking for an ADU in Bend?

Not required (no minimum on-site parking for ADUs). Check with Bend planning department for the latest Oregon ADU parking rules, as many states have relaxed requirements in recent years.

How long does it take to get an ADU permit in Bend?

The permit review timeline in Bend is 40-55 days. Fees range from $1,700-$2,900.

Ready to Build in Bend?

Get free, no-obligation quotes from top-rated ADU contractors in Bend.

Get Free Quotes →

ADU Guides for Bend Homeowners

Stay Updated on ADU Law Changes

Get notified when ADU regulations change in your city. Free — no spam, unsubscribe anytime.