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Buying, SellingPublished April 10, 2026
The Rise of ADUs in Oregon and Washington: Is It Right for You?
The Rise of ADUs in Oregon and Washington: Is It Right for You?
If you have been looking at real estate in the Portland or Vancouver metro areas recently, you have probably heard the term "ADU." Accessory Dwelling Units (often called mother-in-law suites, granny flats, or backyard cottages) are booming across the Pacific Northwest. Thanks to recent zoning changes in both Oregon and Washington, building an ADU has never been easier.
Why Are Homeowners Building ADUs?
- Passive Income: The rental market in the PNW is highly competitive. Renting out a backyard cottage or basement ADU is a fantastic way to offset your own mortgage or generate steady passive income.
- Multi-Generational Living: With housing costs rising, many families are using ADUs to keep aging parents close by or to give adult children a private place to live while they save for their own homes.
- Increased Property Value: Adding livable square footage to your property is one of the most effective ways to boost your home’s resale value.
What to Consider Before Building While the zoning laws have relaxed, building an ADU still requires permits, utility hookups, and a solid budget. You will need to decide whether a detached unit (like a backyard cottage), an attached unit (like an addition), or a conversion (like finishing a basement or garage) makes the most sense for your specific lot.
Curious if your property is a good fit for an ADU? Whether you want to buy a home that already has one or find a property with a great yard for building, we can help.
Call us today to discuss your PNW real estate goals!
Call: (503) 300-6614