Estimate your 2026 Seattle exterior paint job — body, trim, doors, and accents across any siding type. The calculator bakes in a baseline power wash, scrape, prime, and two finish coats, then lets you tier up to premium Sherwin-Williams Emerald or Benjamin Moore Aura Exterior for maximum lifespan in our wet winters and UV-heavy summers.
Considering timing? Our best time to book a Seattle exterior project guide covers crew availability, weather windows, and why booking in March outperforms June. Use the calculator below when you're ready for a number against your specific home.
Choose your preferred paint quality and preparation level
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Recommended for best coverage and durability
Switching colors costs more than staying the same
Surface Measurements
Enter your house dimensions or wall area directly
Tip: Multiply your house perimeter (feet around) by its height (typically 8 ft per story)
Fascia, soffits, railings, etc.
Number of exterior doors
Your Estimate
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How Our Exterior Painting Cost Calculator Works
Professional exterior painting estimates for Seattle-area homes
Accurate Cost Estimation
Our exterior painting calculator generates detailed cost estimates based on Seattle market conditions and the unique challenges of
Pacific Northwest weather. The calculator considers home square footage, number of stories, siding type (wood, fiber cement, stucco, aluminum),
trim complexity, and current condition. We use 2026 Seattle pricing reflecting exterior-grade paint costs from Sherwin-Williams, Benjamin Moore,
and Rodda Paint, with labor rates of $50-70/hour for experienced exterior painting crews. Unlike interior work, exterior painting requires
specialized equipment - scaffolding rental, lift equipment, pressure washing systems, and professional sprayers, all factored into our estimates.
The calculator accounts for surface preparation time (often 40-50% of total project hours), which varies dramatically based on siding condition.
Weather-dependent scheduling affects Seattle exterior projects - we factor realistic timelines accounting for our 150+ rainy days annually.
What The Calculator Includes
Every exterior painting estimate includes comprehensive material and labor breakdowns. Materials encompass exterior-grade paint and primer
(calculated by gallons needed based on siding type and surface area), caulk and sealants for weatherproofing, wood filler for repairs, sandpaper
and prep supplies, masking materials, and all painting tools. Labor includes power washing (critical in Seattle's moldy climate), scraping loose
paint and preparing surfaces, repairing damaged wood or siding, priming bare areas and repairs, two coats of finish paint application, trim and
detail work, and complete cleanup. Equipment costs cover scaffolding or lift rental, paint sprayers and compressors, power washing equipment,
and safety gear. Our calculator factors in Seattle's exterior painting premium - exterior work costs 30-50% more than interior per square foot
due to weather challenges, equipment requirements, and safety considerations. We include realistic contingencies for weather delays and additional
prep work discovered during the project.
Seattle-Specific Considerations
Seattle's climate presents unique challenges for exterior painting that our calculator addresses. The Pacific Northwest's constant moisture
creates ideal conditions for mold and mildew - proper power washing with fungicidal treatments is essential before painting. Our rainy weather
limits the painting season to roughly May through October, creating high demand and premium pricing during dry months. Many Seattle homes have
original wood siding requiring extensive prep work due to decades of moisture exposure. Homes built before 1978 often have lead paint, requiring
EPA-certified practices and proper containment. Seattle's varied architecture includes Craftsman homes with extensive trim detail, mid-century
modern homes with challenging access, and newer construction with fiber cement siding that paints differently than wood. The calculator accounts
for these variations. Washington state building codes require proper L&I coverage for exterior work, and our estimates include only licensed,
insured contractors. We factor in vapor-permeable paint formulations essential for Seattle's damp climate - non-breathable paints trap moisture
and cause premature failure.
Using The Calculator Effectively
For accurate estimates, input your home's total square footage and number of stories - two-story homes require more expensive equipment
and safety measures. Specify your siding type as each material has different preparation requirements and paint coverage rates: wood siding absorbs
more paint; smooth fiber cement requires less; stucco's texture increases paint consumption by 20-30%. Honestly assess your home's current condition -
selecting "poor condition" for aging siding with peeling paint provides a realistic budget including necessary repairs. Indicate trim complexity
level: minimal (simple fascia and corner boards), moderate (standard window/door trim), or complex (decorative brackets, multiple gable details,
extensive trim work common in Craftsman homes). Choose paint quality based on longevity goals: premium exterior paints cost $60-80/gallon but
last 10-15 years in Seattle's climate; basic paints cost $35-45/gallon but may need repainting in 5-7 years. The calculator instantly updates
as you modify specifications, helping you understand how paint selection and prep work affect costs. All estimates include per-square-foot breakdowns,
material lists, projected timelines, and best-season recommendations for Seattle weather.
Frequently Asked Questions
When is the best time to paint a house exterior in Seattle?
The optimal window for exterior painting in Seattle is June through September when rainfall is minimal and temperatures stay consistently above 50°F. May and October are possible but risky due to unpredictable weather. Exterior paint requires 24-48 hours of dry weather for proper curing. Trying to paint during Seattle's rainy season (October-April) typically results in poor adhesion and premature failure.
How often should I repaint my Seattle home's exterior?
In Seattle's climate, quality exterior paint jobs last 8-12 years on well-maintained homes with good drainage and overhang protection. South and west-facing walls exposed to sun and rain may need attention sooner. Homes with minimal overhang, poor drainage, or in heavily shaded areas (promoting mold growth) may need repainting every 5-7 years. Regular maintenance like annual washing and prompt repair of damaged areas extends paint life.
Why does exterior painting cost more than interior painting?
Exterior painting requires specialized equipment including scaffolding or lifts costing $500-2000 per project, professional sprayers, and power washing equipment. Weather exposure means exterior paint must be higher quality and more expensive. Prep work is more extensive - power washing, scraping, wood repair, and dealing with mold/mildew. Safety requirements are stricter for elevated work. Weather dependency can cause delays and scheduling challenges. These factors combine to make exterior painting typically cost 30-50% more per square foot than interior work.
Why Trust Our Calculator?
Our interior painting cost calculator is built by Kolmo Construction, a licensed general contractor (License #KOLMOC*852PL) serving Seattle since 2008. We've completed over 500 interior painting projects throughout King County, from single-room refreshes to whole-home transformations. Our estimates reflect real-world costs from actual projects, not theoretical calculations. We maintain relationships with major paint suppliers, understand Seattle's permit requirements intimately, and employ only licensed, insured professionals. Every estimate includes a detailed breakdown of materials and labor, showing you exactly where your money goes. We stand behind our estimates - when you request a formal quote, we honor the calculator's projections for projects matching the described conditions.
What this calculator captures
Common Seattle 2026 price bands by home size and surface condition. All include power wash, scrape, prime, and two finish coats.
1-story, 1,500 sf vinyl
$3,000-$5,500
Vinyl or LP SmartSide in good condition. Most common Seattle ranch or rambler repaint.
2-story, 2,500 sf
$6,000-$9,000
Two-story home with fiber cement or hardiplank. Mid-tier paint, standard trim scope.
Cedar + heavy prep
$9,000-$12,000
Cedar siding, peeling paint, oil-bond primer required, pre-1978 lead-safe compliance. Common Capitol Hill / Queen Anne craftsman scope.
Using this calculator
Does this include power washing and scraping?
Yes — every exterior job includes baseline power wash ($0.35-$0.75/sq ft) and light scrape. Heavy-prep flag adds chemical strip, aggressive scrape, and up to 3x the labor on peeling surfaces. Set 'surface condition' to 'heavy' for chalky, peeling, or neglected paint.
How does Seattle climate affect paint choice?
Our wet winters and UV-heavy summers punish low-grade paint. The calculator defaults to Sherwin-Williams Emerald or Benjamin Moore Aura Exterior ($85-$115/gal) when surface is good — these carry 15-25 year warranties in PNW climate. Builder-grade paint typically needs a repaint in 5-7 years, so lifecycle math usually favors premium.
Are LP SmartSide, Hardie, and wood siding priced the same?
No. Fiber cement (Hardie) takes paint well and comes pre-primed — fastest surface. Wood and cedar need an oil-bond primer (2 extra gallons per 1,000 sq ft vs fiber cement). LP SmartSide sits in between. The calculator adjusts material and labor based on your siding selection.
Can I price just trim or just the body?
Yes — toggle body, trim, doors, and accents independently. Trim-only refresh on a 2-story Seattle home typically runs $1,800-$3,500. Body-only repaint saves roughly 20-30% of the full-home price. Shoulder-season bookings reduce either scope further.
Does it handle lead-safe work for pre-1978 homes?
Yes — toggling pre-1978 adds EPA RRP compliance: plastic containment, HEPA vacuum collection, encapsulated debris disposal. Typically $800-$1,800 on a Seattle exterior repaint. Required by federal law for any renovation disturbing pre-1978 paint.
