Railings

The deck guard that wobbles when the kids lean against it. The porch baluster that came loose three winters ago and the homeowner has been meaning to fix. The cedar top rail that finally rotted through at the post and a hand went through it. The cable run that was tight on install day in 2019 and now sags low enough to fail the 4-inch sphere rule. The stair handrail that was glued to the wall and pulled out the first time a guest grabbed it on the way down. Railings is the trade for every guard, baluster, and handrail outside (and the interior stair rails where a fall is a real risk) — five material systems with very different price floors, very different maintenance profiles, and one shared code reference. Every system Handis builds meets IRC R312 — 36-inch minimum guard height (42 inches in some Seattle-area jurisdictions where the deck sits more than 30 inches above grade), the 200-pound concentrated load capacity at the top rail, and the 4-inch sphere rule for infill. Pure carpentry — no licensed sub is required for the railing itself. From $2,500 for a small pressure-treated wood replacement to $16,000 for a frameless tempered laminated glass run on a view deck.

Railings hub image — wide shot of a recently finished Seattle deck guard in early-evening light, a stainless cable infill stretched between black powder-coated steel posts with a clear cedar top rail, the cables tensioned tight enough that a 4-inch sphere is visibly blocked, and a tape measure left on the corner post showing the 36-inch guard height from the decking.

Systems

Wide editorial photo of a Handis railing install in progress — lead carpenter setting the last cable tensioner on a stainless cable railing run, a torque wrench in hand, the powder-coated steel posts already plumbed and through-bolted to the deck framing, and a stack of clear cedar top rail blanks staged on a drop cloth on the lawn just below the deck.
Pricing

Railings Pricing

Final pricing depends on the linear footage, the material selected, the post style (wood, aluminum, steel, stainless), any returns or stair runs, and whether the existing framing meets the 200-pound load requirement (older decks sometimes need post blocking added before the railing install). Each material page lists detailed pricing for that system. Request a free in-home estimate for an accurate quote against your actual deck and railing run.

Tell us the railing run (linear feet, stair count, any returns) and the material you are leaning toward — we will quote the full install.

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Why Seattle Homeowners Book Handis for Railings
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Why Seattle Homeowners Book Handis for Railings

A failing deck railing is not a cosmetic problem. It is the only thing between someone and a fall, and IRC R312 wrote the 36-inch height and the 200-pound load capacity into code because falls from residential decks are the most common single source of serious deck injury in the US — the CPSC has tracked it for decades. The deck guard that wobbles when leaned on, the baluster that pulls loose in a hand, the cable run that sags wide enough that a toddler can put a head through it — every one of those is a liability that should be on the next-fix list, not the someday list. Handis carpenters install every system to code, document the post connections in the photos we send at closeout, and tell you on the call which material is the right pick for the actual use case (kids and dogs, view deck, low-maintenance retirement, deliberate craftsman wood profile).

Estimate

Tell us the railing run (linear feet, how many stair runs, any returns or corners), the deck height above grade (drives the 36 vs 42-inch height question), the material you are leaning toward (wood, cable, glass, aluminum, composite), and any constraints — view deck, dogs and kids, a hot tub on the deck, a fixed budget. We send back a clear estimate and a project timeline.

Service cost estimate illustration
Reviews

What Our Customers Say

Recent railing-install reviews from verified Seattle-area Handis customers across all five material systems.

FAQ

Frequently Asked Questions

Common questions about Handis railing installs — code requirements, material trade-offs, maintenance, pricing, permits, and what fits one carpentry crew versus a multi-trade project.

How much does a railing install cost?
Five material systems, five price floors — wood starts at $2,500 (25-linear-foot pressure-treated replacement), aluminum and composite both start at $3,500 (standard 25-linear-foot run), cable starts at $4,500 (316 stainless on aluminum posts), and glass starts at $6,000 (framed tempered laminated on a small balcony). Top-end pricing on each system runs $7,000 (clear cedar or mahogany with shaped balusters), $9,000 (premium aluminum with textured color), $9,000 (top-tier composite like Trex Signature with aluminum balusters), $12,000 (premium cable on powder-coated steel posts), and $16,000 (frameless standoff glass on a long view run). You get a written estimate before any work begins.
Does the railing have to meet a specific code?
Yes — IRC R312 (the International Residential Code) governs residential guards. The three load-bearing requirements are 36-inch minimum guard height (measured from the deck or stair surface to the top rail), the 200-pound concentrated load capacity at the top rail (the assembly cannot deflect or fail under a 200-pound point load applied at any direction at the top rail), and the 4-inch sphere rule (no opening in the infill wide enough that a 4-inch sphere can pass through — set by manufacturer spec for aluminum and composite, set by cable tension and 3-inch on-center spacing for cable, set by glass panel sizing for glass). Some Seattle-area jurisdictions amend the height to 42 inches for decks more than 30 inches above grade — we check the AHJ before quoting.
Do I need a permit for a railing replacement?
Usually not for a like-for-like replacement on an existing deck — Seattle DCI does not require a building permit for replacing a deck railing on an existing deck where the deck framing itself is not being altered. New construction (a new deck or a deck addition) does require a permit, and the railing spec is included in that permit. A change in guard height (raising from 36 to 42 inches to meet a jurisdiction amendment), a change in structural support (adding posts where none existed), or any work that touches the framing under the deck typically does. We tell you on the estimate visit which scope needs a permit and who pulls it — for pure railing work we typically self-perform without one.
How long does a railing install take?
Most railing projects finish in one to three working days. A 25-linear-foot pressure-treated wood replacement is one day. A 40-linear-foot cable or aluminum run is two days. A long composite or cable run with stair returns is two to three days. A frameless glass install is two to three days because the glass panels often need a lead time of 1 to 2 weeks from the fabricator and the install itself wants a careful set. We give a working-day schedule at contract signing and stick to it.
Which material is right for me?
It depends on the use case. Wood for a craftsman or farmhouse aesthetic where you do not mind refinishing every few years — the lowest material cost. Cable for a view deck where the sight-line is the whole reason for the deck and you accept an annual re-tensioning visit for the first two to three years. Glass for the strongest sight-line and the highest budget — the most maintenance (monthly squeegee), the highest material cost. Aluminum for the lowest-maintenance install where you want zero refinishing and zero re-tensioning — a clean modern look in black, bronze, or white. Composite when the deck itself is composite and you want the railing tone to match the decking line out of the box. We walk through the trade-offs on the estimate visit.
Do cables really need re-tensioning?
Yes — every cable system. The stainless cable creeps under load and the natural seasoning of the deck framing settles in the first two to three years; both pull tension out of the cable run. The result is a railing that was at the 3-inch on-center spacing on install day and is now at 4-plus inches on the bottom cables. We schedule a free first-year re-tension visit at install and walk you through the annual inspection and re-tension routine after that. Cables stabilize after year three and need re-tension every two to three years thereafter. If a cable run is left untouched for five-plus years, the bottom cables can fail the 4-inch sphere rule and need attention.
How does the railing connect to the deck framing?
The single most important detail in a railing install. Posts are through-bolted with washers (not lag-screwed into the end-grain of the rim joist — that connection pulls out as the wood seasons and is the leading cause of deck guard failure). Inside the rim joist at every post location we add solid blocking (a piece of framing the same depth as the joist, full-width between the joists, glued and screwed) so the through-bolt has solid wood to clamp through. If the existing deck does not have blocking, we add it as part of the install (priced at $125 per post on the quote). The blocking is hidden inside the framing once the deck skirt is reinstalled; the connection is what carries the 200-pound code load.
What about a stair handrail — is that separate?
Stair handrails are a separate code requirement (IRC R311.7.8) and we install them as either part of a full deck-and-stair railing project or as a stand-alone add-on. A code-compliant stair handrail must be graspable (the cross-section that fits in a closed hand — typically 1.25 to 2 inches in diameter for a round rail, with specific geometry rules for shaped rails), continuous over the full stair run with returns at top and bottom, mounted between 34 and 38 inches above the stair nosing. We can match the handrail to the deck railing material (pressure-treated, cedar, aluminum) or install a separate code-compliant rail on its own. Priced at $65 per linear foot for a stand-alone install.
Do you cover homes outside Seattle proper?
Yes — most of the Puget Sound region is in service area, from north Seattle and Shoreline through Bellevue, Redmond, Kirkland, Issaquah, Sammamish, Renton, Tukwila, Burien, and south to Federal Way and Auburn. View-deck cable and glass installs on the I-90 corridor (North Bend, Snoqualmie) and the Olympic Peninsula side (Kingston, Poulsbo) are covered with a travel premium added to the project price; we will name it on the quote before you sign. Outside that radius we will tell you on the call if the math works.
Is the work guaranteed?
Yes. Handis carries general liability and workers' compensation; every technician has cleared a background screening. Our 30-day workmanship guarantee covers caulk joints, finish, and any cosmetic punch-list item. The 2-year structural warranty covers the post connections, the rail-to-post fasteners, and the infill anchoring — if a post loosens, a cable tensioner fails, a glass clip loosens, or a baluster pulls inside 2 years from our installation, we come back and fix at no charge. Manufacturer warranties on the materials themselves run 10 years (most cable hardware) to 25 years (TimberTech, Trex, Fiberon composite) and pass through to the homeowner at install — we hand over the warranty paperwork at closeout.

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