Compare adu construction estimates in Vancouver, WA
Free adu construction quotes in Vancouver, Washington. Typical range $168,000 – $336,000.
Low
$168,000
Average
$252,000
High
$336,000
Vancouver crews quote about $280 – $560 per square foot.
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What drives adu construction prices in Vancouver
Local labor, permitting and climate move Vancouver prices away from the national average.
Labor market
Clark County crews serve the Portland metro at slightly lower rates.
Permits
City permits required for exterior and structural work.
Climate
Wet winters make flashing and drainage critical.
How to compare Vancouver quotes
- Collect three written quotes. Anything under $126,000 usually has scope missing.
- Compare line items — materials, labor, permits, disposal — not just the total.
- Confirm license, insurance and workmanship warranty length before you sign.
- Ask what triggers a change order and how it gets priced.
Vancouver questions
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