Deck Building Cost in Los Angeles (2026)
Average cost in Los Angeles
US$6,335 — US$20,871
US$28 — US$90 per sq ft
Cost Breakdown
ItemizedSkilled installation and framing
38%
Decking boards, joists, and hardware
47%
LADBS permits and plan checks
8%
Clearing, leveling, and footings
7%
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 11 sources and market data for Los Angeles. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$13,111
Today
US$13,570
Deck Building in Los Angeles is ↑ 3.5% compared to roughly a year ago — about US$459 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 Los Angeles
Verified providersMG Construction & Decks
8430 Santa Monica Blvd #202, West Hollywood, CA 90069, USA
100 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 permits for most decks. Fees typically range from $500 to $1,500, though complex hillside projects requiring structural engineering can exceed $3,000.
While pressure-treated wood is cheapest at $28–$50 per sq ft, composite decking ($50–$90 per sq ft) is recommended for 2026 due to its resistance to intense UV exposure and lower long-term maintenance costs in the California sun.
Building on a slope in areas like the Hollywood Hills can increase costs by 30% to 50% due to mandatory seismic engineering, deeper concrete footings, and more rigorous inspection schedules required by city code.
In 2026, a professionally built deck in Los Angeles offers an average return on investment (ROI) of approximately 83%, making it one of the highest-value home improvements for the local real estate market.
📊Our Methodology
How we collect dataAggregated from 11+ 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.