Deck Building Cost in Modesto, CA (2026)
Across Modesto, a typical price to build a deck falls between $8,800 and $17,600, centering on roughly $13,400. That places local pricing about 17% above the U.S. average for this project.
Per sq ft in Modesto: $30-$60. Figures above assume a 300 sq ft deck (300 sq fts).
Why Deck Building costs differ in Modesto
Permitting timelines and licensed-contractor requirements in Western states can add both cost and scheduling delay. With a local cost index well above the national baseline, labor-driven work here tracks accordingly - which is why our estimate for Modesto differs from a flat national number.
Local cost of living in Modesto feeds directly into labor rates, which is why deck building here tends to sit about 17% above the U.S. average. Comparing itemized quotes side by side is the best way to avoid overpaying.
| Estimate | Low | Average | High |
|---|---|---|---|
| Modesto (localized) | $8,800 | $13,400 | $17,600 |
| U.S. national average | $7,500 | $11,400 | $15,000 |
Labor vs. materials in Modesto
On a typical deck building in Modesto, CA, here is roughly how the average of $13,400 divides between labor and parts. Because local wages drive the labor line, this split is a big part of why pricing in Modesto differs from other metros.
| Component | Estimated cost | Share |
|---|---|---|
| Labor | $7,100 | 53% |
| Parts & materials | $6,200 | 47% |
What affects the price
Deck cost is priced per square foot and depends heavily on decking material - pressure-treated wood is cheapest, composite and hardwood run higher.
- Decking material - PT wood, composite, hardwood
- Deck size and height
- Railings, stairs, and footings
- Permits and inspections
- Site access and grading
Tips for Modesto homeowners
When you request quotes in Modesto, ask each contractor to itemize labor, materials, permits, and disposal separately. That makes it much easier to compare bids and to spot where a deck building quote is padded.
Deck Building in Modesto: FAQ
How much does Deck Building cost in Modesto, CA?
Is Deck Building more expensive in Modesto, CA than the U.S. average?
Wood or composite decking?
Do I need a permit to build a deck?
How long does a deck take to build?
Deck Building prices near Modesto
How Deck Building pricing in Modesto, CA compares with nearby metros:
| City | Typical average | |
|---|---|---|
| Modesto, CA (this page) | $13,400 | |
| Los Angeles, CA | $13,400 | View |
| San Diego, CA | $13,400 | View |
| San Jose, CA | $13,400 | View |
| San Francisco, CA | $13,400 | View |
| Fresno, CA | $13,400 | View |