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Material Guide · Thuja plicata

Western Red Cedar for LA outdoor builds

Cedar is the most popular fence wood in North America for a reason — it's affordable, easy to work, and looks great on day one. The catch in LA: cedar requires annual sealing to last past 8 years. Skip a year and the boards cup, spot-rot, and grey unevenly. We build with cedar when the budget calls for it, when an HOA requires it, or when a hybrid (cedar body + Cumaru caps and posts) gives 80% of the premium look at 60% of the cost. For long-term hardwood durability, we recommend Cumaru or Garapa instead.

  • 350
    Janka hardness
  • 8–14 yrs
    lifespan
  • Class C
    fire rating
  • Inland
    tolerance

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Why we build with Western Red Cedar

What Western Red Cedar actually delivers in the field.

01

350 Janka — built for the long horizon.

Western Red Cedar measures 350 on the Janka scale (oak runs 1290 for reference). That density is what gives Western Red Cedar its 8–14-year lifespan in LA's climate without structural intervention.

02

Variable reddish-brown with strong grain pattern → Ages to silver-grey; unsealed cedar will spot-rot in LA's UV without yearly sealing.

Day one, Western Red Cedar reads as variable reddish-brown with strong grain pattern. Over time the color settles: ages to silver-grey; unsealed cedar will spot-rot in la's uv without yearly sealing. Annual sealing required.

03

Best for inland builds.

Western Red Cedar handles inland LA's UV and dry heat well, but is best avoided on coastal exposures. UV exposure should be managed with periodic sealing.

Western Red Cedar — full spec

Everything we know about Western Red Cedar after 14 years of LA builds.

Cedar is the most popular fence wood in North America for a reason — it's affordable, easy to work, and looks great on day one. The catch in LA: cedar requires annual sealing to last past 8 years. Skip a year and the boards cup, spot-rot, and grey unevenly. We build with cedar when the budget calls for it, when an HOA requires it, or when a hybrid (cedar body + Cumaru caps and posts) gives 80% of the premium look at 60% of the cost. For long-term hardwood durability, we recommend Cumaru or Garapa instead. Thuja plicata is the botanical name; you'll see it sourced from pacific northwest (oregon, washington, bc). We've built with Western Red Cedar continuously since 2011, and it shows up on roughly 8% of our completed projects.

Vs Cumaru: Cedar lasts a third as long and costs roughly half. Vs Ipe: Cedar is in a different category — short-life softwood vs structural-grade tropical hardwood. Hybrid cedar + Cumaru caps is our most-spec'd budget compromise. For most LA homeowners, the right western red cedar build comes down to three questions: how long do you intend to own the home, how much annual maintenance are you willing to do, and how the wood looks against your existing architecture. Western Red Cedar is our recommended spec when: tight-budget fence projects; hoa-required cedar specifications; hybrid builds (cedar body + cumaru caps).

Pricing for western red cedar varies by application: $55–$95 per linear foot for fence builds, and $45–$85 per square foot for deck builds, fully installed. Raw board-foot pricing runs $3–$6 for reference. FSC and SFI cedar widely available. Most Pacific Northwest cedar is certified through one of those systems.

  • Best for: Tight-budget fence projects
  • Best for: HOA-required cedar specifications
  • Best for: Hybrid builds (cedar body + Cumaru caps)
  • Best for: Short-term holds (selling the home in 5–7 years)
  • Not ideal for: long-term holds (5+ years, hardwood is a better investment)
  • Maintenance: Annual sealing required.
  • Fire rating: Class C (untreated). Class B with intumescent coating..
  • Salt tolerance: low; UV tolerance: moderate.

Pricing

Western Red Cedar pricing across applications

Western Red Cedar is priced by application. The bands below cover typical fully-installed pricing across Los Angeles in 2026.

  • Western Red Cedar fence (per linear ft)
    Standard 6-ft height, post-and-rail or horizontal
    $55$95/ application
  • Western Red Cedar deck (per sq ft)
    Ground-level or hillside, hidden fastening
    $45$85/ application
  • Western Red Cedar raw lumber (per board ft)
    Material only, kiln-dried, S4S
    $3$6/ application

Reflects 2026 LA market. Final quote is fixed-price after walkthrough.

Questions homeowners ask

Western Red Cedar — frequently asked

What is Western Red Cedar and why does it last in Los Angeles?
Western Red Cedar (Thuja plicata) is a tropical hardwood from pacific northwest (oregon, washington, bc). It rates 350 on the Janka scale and lasts 8–14 years in LA's climate. Cedar is the most popular fence wood in North America for a reason — it's affordable, easy to work, and looks great on day one.
How much does Western Red Cedar cost installed?
For fence builds, Western Red Cedar runs $55–$95 per linear foot fully installed. For decks, $45–$85 per square foot. Raw board-foot pricing is $3–$6. Final price depends on hardware spec, structural complexity, and finish detailing.
What's the maintenance for Western Red Cedar?
Annual sealing required. Skip a year and the boards spot-rot, cup, and grey unevenly. Reseal every spring before the summer UV peaks.
Western Red Cedar vs the alternatives — when does it win?
Vs Cumaru: Cedar lasts a third as long and costs roughly half. Vs Ipe: Cedar is in a different category — short-life softwood vs structural-grade tropical hardwood. Hybrid cedar + Cumaru caps is our most-spec'd budget compromise.
Is Western Red Cedar fire-rated?
Class C (untreated). Class B with intumescent coating.. Most LA fire-zone projects either upgrade with intumescent coating or use a higher-rated hardwood depending on the Severity Zone classification.
Where does Western Red Cedar come from and is it sustainably sourced?
Pacific Northwest (Oregon, Washington, BC). FSC and SFI cedar widely available. Most Pacific Northwest cedar is certified through one of those systems.

Related

Compare Western Red Cedar to the alternatives

Material choice is the most consequential decision in an outdoor build. Each of these woods has a different strength.

Build with Western Red Cedar that outlives the trend cycle.

Free walkthrough, fixed-price contract, lifetime craftsmanship warranty in writing.

IA

Reviewed by the founder

Israel Acquino · Founder & General Contractor · CSLB #964664 · Building in Los Angeles since 2011

Page reviewed May 2026

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