Best Background Checked Fence Installation Contractors in Seattle, WA

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Frequently Asked Questions: Fence Installation in Seattle

How much does a cedar privacy fence cost in Seattle?

Cedar privacy fence in Seattle typically costs $32–$65 per linear foot installed, depending on style (dog ear vs. board-on-board) and site conditions. A standard residential lot needing 150 linear feet of 6-foot cedar privacy fence runs $4,800–$9,750 completely installed including posts, concrete, and gates. Board-on-board style (alternating boards on both sides of the rail) costs 15–20% more than standard dog ear but provides double-sided finished appearance and better wind resistance in Seattle's periodically stormy conditions.

Do I need a permit for a fence in Seattle?

It depends on fence height and location. Seattle Municipal Code 23.44.046 allows: front yard fences up to 3.5 feet without a permit; side and rear yard fences up to 8 feet in most residential zones without a permit. Fences exceeding these heights require a permit from Seattle Department of Construction and Inspections (SDCI). Corner lots have additional sight-triangle restrictions. An L&I-registered Seattle fence contractor will confirm permit requirements for your specific lot before starting.

How long does a cedar fence last in Seattle?

Western red cedar fence in Seattle lasts 15–25 years with proper maintenance — or as few as 7–10 years without it. The critical maintenance steps: (1) Apply a quality penetrating oil-based stain or preservative sealer within the first year of installation before the cedar grays and dries. (2) Reapply every 2–4 years (sooner on south-facing fence sections with more UV exposure). (3) Inspect posts at grade annually for early rot detection. Cedar lasts significantly longer on posts than pressure-treated pine alternatives in the Northwest when properly maintained.

Should I choose cedar, composite, or vinyl for a Seattle fence?

For Seattle's climate: Cedar — natural beauty, regionally sourced, requires maintenance every 2–4 years; ideal if you want an authentic Pacific Northwest look and are willing to maintain it. Composite (Trex, TimberTech) — higher upfront cost, zero maintenance, won't rot or check in Seattle's wet climate; best for homeowners who want a good-looking fence they never have to treat. Vinyl/PVC — economical, no maintenance, but less aesthetically appealing in Seattle's design contexts and can crack in cold snaps (rare in Seattle but possible in Eastside areas). Most Seattle homeowners choose cedar or composite; vinyl is used primarily for commercial or utilitarian applications.

How do I find a registered fence contractor in Seattle?

Verify any contractor's Washington State L&I registration at secure.lni.wa.gov/verify. This is the single most important verification step in Washington — unregistered contractors carry no bond and no workers' compensation, exposing you to liability. Ask for the contractor's UBI number (Washington business identifier) and confirm it matches their L&I registration. Reputable Seattle fence companies carry their registration number on vehicles and bids without being asked.