Deck Building Cost in Los Angeles (2026)
Average cost in Los Angeles
US$6,335 — US$20,871
US$45 — US$90 per sq ft
Cost Breakdown
ItemizedSkilled installation and framing
40%
Decking boards, posts, and hardware
45%
LADBS plan check and building permits
5%
Clearing, leveling, or old deck removal
5%
Seismic and structural plans
5%
Sales Tax at 7.25%
📋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$7,080 — US$10,620
Based on 9 sources and market data for Los Angeles. Actual costs may vary depending on specific project requirements.
🏢Top Deck Build Contractors in Los Angeles
Verified providersMG Construction & Decks
8430 Santa Monica Blvd # 203, Los Angeles, CA 90069, USA
94 reviews
All Wood Deck Builders
12125 Magnolia Blvd #207, Valley Village, CA 91607, USA
99 reviews
Los Angeles Deck Solutions
1447 E 25th St #105, Los Angeles, CA 90011, USA
58 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, the Los Angeles Department of Building and Safety (LADBS) requires a permit for any deck that is more than 30 inches above grade or exceeds 200 square feet in area. Typical permit fees range from $369 for basic projects to over $1,500 for complex hillside builds.
Los Angeles is in Seismic Design Category D/E. This requires specialized footings and heavy-duty structural connections to meet the 2025 California Building Code, which can add 10-15% to the structural labor and material costs compared to non-seismic regions.
Decks located in 'Very High Fire Hazard Severity Zones' (VHFHSZ) must use ignition-resistant materials such as composite (e.g., Trex), metal, or treated hardwoods. These materials typically cost $12 to $25 per square foot, significantly higher than standard pressure-treated lumber.
In 2026, a professionally built deck in Los Angeles offers an average return on investment of approximately 83%. This high ROI is driven by the city's year-round outdoor living culture and the premium buyers place on usable outdoor square footage.
📊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: today. Updates run weekly. All costs in USD.