Wood Railing Cost — 20×16 Deck
A ~64 lf of wood railing on a 20×16 (320 sqft) deck costs $1,792-$3,520 installed. Traditional 2×2 baluster + 2×4 rail wood construction, PT pine or cedar. Lowest material cost, highest labor cost, requires biennial sealing to last past year 8.
25-year cost of ownership breakdown
Install cost + lifetime maintenance for 64 lf of wood railing.
Code compliance + warranty
Build-to-code requires precise 4″ sphere spacing (R312.1.3). DIY builds typically fail inspection on inconsistent baluster spacing — use a spacing template not eyeball.
PT lumber 25 yr (rot only), no system warranty. Confirm specifics with the manufacturer for your chosen product line.
When to pick wood
Budget DIY builds, traditional architecture, period homes, owners willing to commit to biennial maintenance. Easiest to color-match to existing decor.
True 25-year TCO often EXCEEDS composite once maintenance is factored. Splintering balusters are a safety issue and a deal-killer at resale. Cedar costs ~50% more than PT for marginal lifespan gain.
Open the calculator with wood pre-loaded
The full deck cost calculator dials in your exact railing height, post spacing, baluster style, and stair handrail spec for accurate quoting.
FAQ — wood on 20×16
How much does wood railing cost on a 20×16 deck?▾
For a 20×16 (320 sqft) deck, you need approximately 52 linear feet of perimeter railing plus ~12 lf for a single stair = ~64 lf total. At wood's $28-$55/lf installed range, that's $1,792-$3,520. Numbers are 2026-Q1 national retail at average labor.
Does wood railing meet IRC R312 code?▾
Build-to-code requires precise 4″ sphere spacing (R312.1.3). DIY builds typically fail inspection on inconsistent baluster spacing — use a spacing template not eyeball.
What's the 25-year cost of wood railing?▾
For a 20×16 deck (~64 lf railing): install $2,656 + 25-year maintenance ~$1,024 = $3,680 total cost of ownership. Re-seal every 2-3 years (~$0.85/lf per cycle). Replace splintering balusters every 8-12 years. Top rail typically warps + needs replacement at year 10-15.
Is wood railing right for a 20×16 deck?▾
Best for: Budget DIY builds, traditional architecture, period homes, owners willing to commit to biennial maintenance. Easiest to color-match to existing decor. Watch-outs: True 25-year TCO often EXCEEDS composite once maintenance is factored. Splintering balusters are a safety issue and a deal-killer at resale. Cedar costs ~50% more than PT for marginal lifespan gain.
What warranty does wood railing carry?▾
Typical: PT lumber 25 yr (rot only), no system warranty. Confirm specifics with the manufacturer for your chosen product line — warranties often include exclusions for salt-air, fastener corrosion, or improper install. Keep your install paperwork to file warranty claims.