What You Pay for ADUs in Portland — Average Prices & Breakdown

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In Portland, adu commonly costs between $1,418 and $4,396 per job, with $2,497 as the typical price.

Because Portland sits in Oregon, local labour supply and material delivery shape much of the price. Confirm up front whether permits and cleanup are included.

Typical cost at a glance

United States planning figures, per job
LevelPrice
Low~$1,418
Typical~$2,497
High~$4,396

Cost by type

TypeLowTypicalHigh
Baseline transaction cost~$1,418~$2,907~$4,396
Below-median price scenario~$1,163~$2,626~$4,088
Above-median price scenario~$1,588~$3,827~$6,066
Lender and government fees~$170~$679~$1,187
Competitive or fast-moving market~$1,730~$4,206~$6,682

All figures per job.

Timing your adu

Urgent adu work is priced for speed: overtime, priority materials and squeezed schedules all add cost. Planning a few weeks ahead is often the simplest way to stay near $2,497.

How to compare quotes for adu

When you compare quotes for adu, line up the scope, the materials and the timeline rather than just the totals. Ask each provider what would make the price rise after the quote is accepted.

What ADUs typically costs

Most buyers in Portland see adu quoted between $1,418 and $4,396 per job. The typical figure is close to $2,497, and that is the number worth writing into a budget before you request quotes.

Who sets adu prices

adu prices are set by the providers who do the work, not by a regulator or a single market rate. Their costs, capacity and risk assessment decide the figure you see.

What moves the price of adu

What pushes adu toward the top of its range? Premium materials, awkward access, urgent scheduling, extra permits and disposal. Each is optional to a degree, and each should be itemised before you compare totals.

Frequently asked questions

How much does adu cost?
Most adu falls between $1,418 and $4,396, with a typical figure near $2,497 per job. The low end is a straightforward job with no surprises; the high end covers complex scope, premium materials or urgent timing. For Portland, ask a provider to put that in writing with the quote.
What affects the price of adu?
No single factor decides it — scope, materials, access and timing all move the total, and the biggest swings usually come from access and scheduling. Providers serving Portland can tell you how it affects a typical job.
Is ADUs cheaper in smaller cities?
Often, but not always. Smaller markets can carry a travel or availability premium that offsets a lower local rate, so it is worth checking a nearby city before assuming the lowest published figure applies to you. Where you are in Portland can change the detail, so compare nearby quotes.
How many quotes should I get for adu?
Two or three written quotes are enough to see the real market range. Compare the same scope side by side, and ask each provider what is excluded and what would change the price after the quote is accepted. The specifics vary across Portland, so confirm them with the provider you hire.

Keep comparing

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These are planning ranges drawn from public price data and market research. They are not a quote, an offer or financial advice, and your actual price depends on the provider, the location and the scope of the work.