
The Bay Area's climate is unusually friendly to decks. Mild summers, mild winters, modest rainfall. But the coastal moisture, occasional 100°F+ inland heat, and significant UV exposure mean that not all deck materials perform the same here. Three options dominate real Bay Area deck construction: composite (TimberTech and Trex), ipe hardwood, and pressure-treated redwood/cedar.
Composite (TimberTech AZEK, Trex, etc.)
Pros
- 20–30 year manufacturer warranty
- No staining, sealing, or oiling — ever
- Won't splinter, crack, or warp
- Hidden fastener systems give clean appearance
- Many colors and grain patterns
Cons
- Gets hot in direct sun — dark colors can reach 140°F+ on a hot summer day. Lighter colors are better.
- Visible scratching shows on some products
- Looks like a synthetic material up close (better than 10 years ago, but not indistinguishable from wood)
Cost (installed, 2026 Bay Area)
$45–$75 per sq ft for a typical 200–400 sq ft deck. Premium TimberTech AZEK lines run $65–$95 per sq ft.
Ipe (Brazilian walnut hardwood)
Pros
- Dense, hard, almost impossible to damage — Class A fire rating
- 50+ year lifespan with basic maintenance
- Beautiful natural grain that ages to silver-gray (or stays brown with oil)
- Stays cooler in direct sun than dark composite
- Premium look, especially for modern architecture
Cons
- Higher upfront cost
- Requires oiling every 1–2 years to maintain the brown color (skip the oil and it goes silver — which many people prefer)
- Heavy — denser than most domestic woods, harder to work
- Sourcing matters — only buy from FSC-certified suppliers
Cost (installed, 2026 Bay Area)
$60–$110 per sq ft. Custom installations with hidden fasteners and miter detail run $90–$140 per sq ft.
Pressure-treated redwood/cedar
Pros
- Lowest upfront cost
- Easy to source locally
- Natural look
Cons
- Requires sealing every 1–2 years or it grays and degrades
- 15–25 year lifespan vs 30+ for composite or 50+ for ipe
- Will splinter, warp, and crack over time
- Coastal moisture accelerates wear
Cost (installed, 2026 Bay Area)
$30–$55 per sq ft.
Which to pick for your Bay Area deck
You want true zero-maintenance: Composite. TimberTech AZEK in a lighter color is the safest bet.
You want the deck to look like real wood and outlast you: Ipe. Don't oil it if you're OK with the silver patina that develops.
You're remodeling for resale soon: Composite is the safest. Buyers prefer "no maintenance" even if ipe is technically more premium.
You have a coastal property (Pacifica, Half Moon Bay, Marin coast): Composite or ipe. Skip pressure-treated wood — coastal salt accelerates degradation.
Budget-driven and OK with maintenance: Pressure-treated redwood. Just commit to sealing every 18 months.
You want the deck to integrate with modern architecture: Ipe. Nothing else looks as clean with steel cable rail and modern detailing.
See a recent composite deck project, an ipe deck around a Hillsborough pool, or learn more about our deck construction.
Planning a Bay Area remodel?
High Touch Consulting & Development is a licensed general contractor serving the San Francisco Peninsula and Silicon Valley. We provide free on-site consultations and fixed-scope written proposals.


