Deck Building Cost in Portland (2026)
Average cost in Portland
US$5,500 — US$55,000
US$40 — US$110 per sq ft
Cost Breakdown
ItemizedSkilled installation and framing
45%
Decking boards, joists, and hardware
40%
City of Portland structural permits
6%
Grading and old deck removal
5%
Plans and seismic compliance
4%
None at 0%
📋What's Included
ScopeTypically Includes
- Pressure-treated lumber
- Concrete footings
- Railing system
- Stairs (1 set)
- Hardware & fasteners
- Labor
Typically Excludes
- Composite or hardwood decking
- Built-in seating or planters
- Pergola or roof
- Lighting
- Permits
Based on a standard 200 sq ft pressure-treated wood deck.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$6,352 — US$9,528
Based on 11 sources and market data for Portland. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$20,440
Today
US$21,768
Deck Building in Portland is ↑ 6.5% compared to roughly a year ago — about US$1,329 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Deck Build Contractors in Portland
Verified providersNext Level Decks and Exteriors
8725 SW Chestnut St, Tigard, OR 97223, USA
88 reviews
Cascade Fence & Deck
6529 NE Sandy Blvd Ste 207, Portland, OR 97213, USA
210 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
In Portland, a building permit is required if the deck's walking surface is more than 30 inches above the adjacent grade. Decks at or below 30 inches are generally exempt from structural permits, though zoning setbacks still apply.
Skilled labor rates for deck construction in the Portland metro area average approximately $55 per hour in 2026, which is roughly 12-15% higher than the national average due to local demand and cost of living.
Permit fees are based on project valuation. For example, a $15,000 deck project typically incurs approximately $850 to $1,100 in permit fees, which includes a mandatory 12% State of Oregon surcharge.
Due to high moisture levels, contractors recommend composite decking (like Trex or TimberTech) or naturally rot-resistant Western Red Cedar. Composite materials typically cost $35-$65 per sq ft installed but offer better long-term value in the Pacific Northwest.
📊Our Methodology
How we collect dataAggregated from 11+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 3 days ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.