Deck Building Cost in Portland (2026)
Average cost in Portland
US$5,258 — US$65,000
US$35 — US$95 per sq ft
Cost Breakdown
ItemizedSkilled installation and framing
42%
Decking boards, hardware, and footings
45%
Architectural plans and site prep
10%
City permits and 12% state surcharge
3%
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 12 sources and market data for Portland. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$21,255
Today
US$22,148
Deck Building in Portland is ↑ 4.2% compared to roughly a year ago — about US$893 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
79 reviews
Cascade Fence & Deck
6529 NE Sandy Blvd Suite 207, Portland, OR 97213, USA
191 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, in Portland, a permit is required if the deck is attached to the house, more than 30 inches above the adjacent grade, or larger than 200 square feet. Even if exempt from a building permit, zoning setbacks and lot coverage limits still apply.
Oregon mandates a 12% state surcharge on all local building, electrical, and plumbing permit fees. This is collected by the Portland Bureau of Development Services (BDS) at the time of issuance and is in addition to the base permit and plan review fees.
Due to high rainfall, composite decking (like Trex or AZEK) and Western Red Cedar are the most popular choices. Composite costs $45–$85 per sq ft installed but offers a 25+ year lifespan, while Cedar costs $30–$55 per sq ft but requires annual sealing to prevent rot.
For a standard residential deck, combined building permit and plan review fees typically range from $200 to $600. However, complex projects or those requiring tree preservation reviews can see fees exceed $1,000 once the 12% state surcharge is applied.
📊Our Methodology
How we collect dataAggregated from 5+ 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: 4 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.