Oregon deck costs are above the national average in 2026, particularly in the Portland metro area. Expect to pay $22 to $40 per square foot for pressure-treated wood and $40 to $74 per square foot for composite decking. A standard 12×16 deck in Oregon typically costs between $6,000 and $13,500.
Estimates are for planning purposes only and based on 2025 contractor data.
Always get at least 3 quotes before hiring. Prices vary by ZIP code, site conditions, and contractor availability.
Deck costs in Oregon are above the national average in 2026, particularly in the Portland metro area. Expect to pay $22 to $40 per square foot for pressure-treated wood and $40 to $74 per square foot for composite decking. A standard 12×16 deck in Oregon typically costs between $6,000 and $13,500.
Frequently Asked Questions
How much does a deck cost in Oregon in 2026?
Oregon homeowners typically pay between $5,500 and $14,000 for a new deck in 2026. Portland and the Willamette Valley run higher than eastern Oregon and rural areas. Labor costs in the Portland metro are among the highest in the Pacific Northwest.
What is the best decking material for Oregon?
Composite decking and western red cedar are both excellent choices for Oregon due to heavy rainfall west of the Cascades. Composite requires less maintenance while cedar is locally sourced, naturally rot-resistant, and popular throughout the Pacific Northwest.
Do I need a permit to build a deck in Oregon?
Yes, Oregon requires building permits for most deck projects. Portland has detailed requirements including structural calculations for larger decks. Permit costs range from $150 to $800 depending on your city or county.
When is the best time to build a deck in Oregon?
June through September is the best building window in Oregon west of the Cascades. Western Oregon gets significant rainfall from October through May. Eastern Oregon has a drier climate and a longer building season.