Premium Siding in Kenmore

Siding is your Kenmore home's primary defense against lateral rain penetration — and unlike regions with primarily vertical rainfall, the Pacific Northwest experiences significant wind-driven rain that strikes your walls at sharp angles, forcing water into any gap, crack, or failed seal in your exterior cladding. Properly installed siding with an integrated rain screen gap and correctly detailed flashing at all transitions creates a continuous weather barrier that allows your wall assembly to shed water and dry effectively between storms. In our climate, siding failures don't just look bad — they lead to hidden moisture damage within wall cavities that can destroy sheathing, insulation, and structural framing long before any visible interior signs appear. The average Kenmore home with failing siding accumulates $15,000 to $40,000 in hidden structural damage before the homeowner becomes aware of the problem.

Proximity to Lake Washington, the Sammamish River, and several creek systems means Kenmore homes face persistent moisture from multiple water sources, leading to accelerated moss growth, wood rot, and paint and stain failure. The 1960s through 1980s housing stock is at the age where original siding, windows, and roofing systems need comprehensive attention, and waterfront or creek-adjacent properties face especially demanding moisture conditions.

In Kenmore, the most common siding failures we encounter include widespread rot in wood-based siding (particularly older hardboard and T1-11 panels) that has allowed moisture behind the exterior, cracked and faded vinyl siding that has become brittle from UV degradation and no longer seals against wind-driven rain, failed caulk joints at windows and trim that create entry points for water intrusion, and moss or algae growth on north-facing walls that retains moisture against the siding surface and accelerates deterioration. Many homes built between 1985 and 2000 in Kenmore used hardboard siding products (some of which were subject to class-action lawsuits for premature failure) that are now well past their functional lifespan and actively allowing water into wall assemblies. We also commonly find improper flashing at deck-to-house connections, window installations without proper head flashing, and missing kick-out flashing at roof-to-wall transitions — all critical water management details that cause hidden rot.

Siding costs in Kenmore depend on total wall area, material selection, the extent of underlying rot repair needed, number of windows and doors (which require labor-intensive trim and flashing detail), and building height (two-story and above requires scaffolding). James Hardie fiber cement siding installed typically ranges from $12 to $18 per square foot including labor, materials, and trim. LP SmartSide runs $10 to $14 per square foot installed. Vinyl siding is the most affordable at $7 to $11 per square foot installed. A complete re-side of a typical 2,000-square-foot Kenmore home (approximately 1,500 square feet of wall area) ranges from $18,000 to $35,000 depending on material choice and complexity. Rot repair, if needed, adds $75-150 per sheet of replaced sheathing plus framing repairs at $50-100 per linear foot. Permits for full residing in most King County jurisdictions run $400-800.

Fiber cement and LP SmartSide siding require minimal maintenance in Kenmore: annual inspection for caulk integrity at all trim joints and penetrations, gentle cleaning with a garden hose and soft brush to remove accumulated organic film (especially on north-facing walls), and touch-up painting every 10-15 years for field-painted surfaces (ColorPlus factory-finish Hardie typically lasts 15-20 years before needing recoat). Vinyl siding needs only occasional washing but should be inspected annually for cracks, particularly on south and west-facing walls where UV degradation is greatest. For all siding types, keep vegetation trimmed at least 6 inches away from wall surfaces, ensure sprinklers don't spray directly onto siding, and clear any debris that accumulates at the base where siding meets foundation. Check caulk joints at windows, doors, and utility penetrations every 2 years and recaulk with polyurethane sealant as needed — this is your primary defense against water infiltration at transitions.

James Hardie offers a 30-year non-prorated transferable product warranty on HardiePlank and HardiePanel products, plus a 15-year ColorPlus finish warranty guaranteeing against peeling, cracking, and chipping. LP SmartSide provides a 50-year limited substrate warranty (the longest in the industry for engineered wood) plus a 5-year finish warranty on pre-primed surfaces. Vinyl siding manufacturers typically offer lifetime limited warranties covering manufacturing defects. Red Raven Exteriors backs every siding installation with a 5-year workmanship warranty covering flashing details, caulk integrity, fastener performance, and overall installation quality. If any issue arises from our installation work within that period — a leaked joint, a failed flash, a panel that loosens — we return and repair at no cost. Our warranty is in addition to, not instead of, the manufacturer product warranties.

Kenmore sits at the north end of Lake Washington and is known for Kenmore Air Harbor, one of the busiest seaplane bases in the country, and the Burke-Gilman Trail that runs through the heart of the city. The community has a friendly, small-city feel with a growing town center, excellent access to both Kirkland and Bothell, and a waterfront setting that draws residents who love the outdoors.

The City of Kenmore Community Development Department manages residential building permits and has clear requirements for exterior projects, including any additional review for properties near shorelines or critical areas. We handle the Kenmore permit process regularly and ensure all projects meet the city's codes and environmental protection standards.