Deck Building Cost in Portland (2026)
Average cost in Portland
US$5,250 — US$55,000
US$45 — US$110 per sq ft
Cost Breakdown
ItemizedProfessional installation and framing
45%
Decking boards, joists, and hardware
40%
Architectural plans and grading
10%
City of Portland filing fees and surcharges
5%
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 8 sources and market data for Portland. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$21,287
Today
US$22,394
Deck Building in Portland is ↑ 5.2% compared to roughly a year ago — about US$1,107 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
83 reviews
Cascade Fence & Deck
6529 NE Sandy Blvd Ste 207, Portland, OR 97213, USA
202 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
Yes, if the walking surface is more than 30 inches above the adjacent grade. Decks at or below 30 inches are generally exempt from building permits, though zoning setbacks still apply.
Permit fees are based on project valuation. For a $12,000 deck, expect to pay approximately $577 to $750, which includes the base fee and the mandatory 12% State of Oregon surcharge.
Composite (like Trex) or PVC are highly recommended for their rot resistance. While more expensive upfront ($35-$65/sq ft installed), they save $300-$500 annually in maintenance compared to wood.
A well-constructed deck in the Portland market currently offers a high ROI of 75% to 85%, significantly increasing home resale value due to the high demand for outdoor living spaces.
📊Our Methodology
How we collect dataAggregated from 8+ 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: 2 weeks 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.