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Unit pricing

Fremont deck building pricing per square foot

Deck Building cost per square foot in Fremont, California in 2026.

Low

$5,950

Average

$10,800

High

$16,200

Fremont crews quote about $20 – $110 per square foot.

Multiply local unit rates by your real measurements.

What drives deck building prices in Fremont

Local labor, permitting and climate move Fremont prices away from the national average.

Labor market

Fremont competes with Silicon Valley for the same crews, keeping rates high.

Permits

City permits and plan check apply to most projects.

Climate

Mild climate; seismic requirements add structural cost.

Fremont unit pricing by material

Pressure-treated pine$20 – $47
Cedar$34 – $61
Redwood$41 – $68
Composite (Trex, TimberTech)$41 – $81
PVC / cellular vinyl$47 – $95
Tropical hardwood (ipe, cumaru)$54 – $110
Aluminum$61 – $120

Ways to lower your Fremont price

  • Keep the deck rectangular and under 200 sq ft where codes ease off.
  • Frame with pressure-treated lumber and spend only on the visible deck surface.
  • Build ground level — every foot of elevation adds framing, footings and railing.
  • Schedule in fall when builders discount to keep crews busy.
  • Skip fascia wraps and picture framing details that add labor with no structural value.

Fremont questions

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