Cost to Screened Porch Addition in Seattle, WA

$15,360–$51,200 in Seattle

28% above the national average · 1.28x cost multiplier

In Seattle, a screened porch addition runs $15,360 to $51,200 on average — about 28% above what homeowners pay nationwide. The West Coast market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in Seattle

Line Item	Low	Mid	High
Cost per sq ft	$77	$192	$448
Materials	$6,400	$15,360	$38,400
Labor	$8,960	$17,920	$44,800
Permits	$1,920	$2,560	$3,840
Design	$640	$1,280	$6,400
Total	$17,920+28% vs. national avg	$37,120+28% vs. national avg	$93,440+28% vs. national avg

Budget

Basic 12x16 ft screened porch attached to existing deck or concrete slab, wood framing, aluminum screen panels, asphalt shingle roof matching house. No new foundation work required. Includes one basic light fixture and no ceiling fan.

Mid-Range

16x20 ft screened porch with new concrete slab, wood or composite decking floor, ceiling fan, exterior-grade lighting, screened windows with full-length aluminum-framed panels. Gabled or shed roof matching existing house roofline with asphalt shingles.

Premium

20x24 ft or larger luxury screened porch, full masonry foundation, composite or TimberTech decking, motorized retractable screens, vaulted or cathedral ceiling with tongue-and-groove pine or cedar, multiple outdoor ceiling fans and lighting, possible 3-season conversion prep with insulated panels.

Material Options

Material prices below are national averages; availability in Seattle may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Aluminum Screen Frames with Fiberglass Screening	$8-$15 per linear ft installed	Industry standard, widely available, holds tension well, resists corrosion, easy to rescreen if damaged	Standard fiberglass tears easily from pets or sharp objects, shows dents if impacted	Most screened porches without pets; budget and mid-range buildsIndustry standard, widely available, holds tension well, resists corrosion, easy to rescreen if damaged
Pet-Resistant and Heavy-Duty Fiberglass Screen	$12-$20 per linear ft installed	7x stronger than standard fiberglass screening, resists pet clawing and punctures, same visibility as standard screen	Slightly more expensive upfront, slightly darker visual due to heavier mesh	Households with dogs or cats; families with young children who push on screens7x stronger than standard fiberglass screening, resists pet clawing and punctures, same visibility as standard screen
Solar/Privacy Screen Mesh	$15-$25 per linear ft installed	Reduces solar heat gain 40-80%, cuts glare, adds privacy during daylight, reduces UV exposure	Reduces outward visibility and light transmission; porch interior feels darker	South- or west-facing porches in hot climates; homeowners wanting afternoon shadeReduces solar heat gain 40-80%, cuts glare, adds privacy during daylight, reduces UV exposure
Motorized Retractable Screens	$800-$2,000 per opening; $4,000-$12,000 full system	Disappear completely when not in use, allow full open-air feel, reduce visual clutter, compatible with smart home systems	Highest cost option, requires professional installation, motor maintenance over time, requires electrical rough-in	Premium outdoor living spaces, vacation homes, homeowners who want maximum flexibility between screened and open-airDisappear completely when not in use, allow full open-air feel, reduce visual clutter, compatible with smart home systems

Other Projects in Seattle

Full Kitchen Remodel

Full Bathroom Remodel

Composite Deck Building

Back to national average for Screened Porch Addition

Seattle Estimate

Typical Range

$15,360–$51,200

vs. National Average

28% above national

Cost Multiplier

1.28x

Cost Per sq ft

$77–$448

Estimates apply Seattle's 1.28x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →