2026 local pricing guide for deck building in Lake Oswego, OR with cost breakdowns and provider data.
Lake Oswego, OR Average
$4,400 – $13,200
Most homeowners pay around $8,800
Low
$4,400
Typical
$8,800
High
$13,200
Based on national averages adjusted for OR cost of living (+10% vs. national average).
12
Licensed Providers in Lake Oswego
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| Project Type | Low | Typical | High |
|---|---|---|---|
| Pressure-Treated Wood Deck | $4,400 | $7,700 | $12,100 |
| Composite Deck (Trex, TimberTech) | $8,800 | $16,500 | $27,500 |
| Cedar Deck | $6,600 | $11,000 | $17,600 |
| Deck Railing Addition | $1,100 | $2,750 | $5,500 |
| Deck Staining/Sealing | $550 | $1,100 | $2,200 |
| Deck Repair | $275 | $825 | $2,200 |
Prices adjusted for Lake Oswego, OR cost of living. Actual costs may vary. Get multiple quotes for accurate pricing.
Deck Building in Lake Oswego, OR typically costs $4,400 to $13,200, with most homeowners paying around $8,800. Costs vary based on project scope, materials, and the contractor you hire.
There are 12 verified deck building providers in Lake Oswego, OR. We recommend getting quotes from at least 3 providers.
Pressure-treated wood decks cost $15 to $30 per square foot. Composite decks cost $25 to $50 per square foot. Cedar falls between at $20 to $40 per square foot.
A simple deck takes 1 to 2 weeks. A multi-level or complex deck with built-in features can take 3 to 4 weeks. Permit approval adds time to the overall timeline.
Almost always yes. Most jurisdictions require a building permit for new decks, especially if attached to the house or elevated above ground level.
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