Cost to Screened Porch Addition in St. Louis, MO (2026)
If you’re budgeting a screened porch addition in St. Louis, most projects run $12,155-$40,515, 1% above the $22,000 national average. What moves that number most is usually one thing: Size and Floor Area. On its own it can swing the cost by $6,000 - $60,000+, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Build on an existing concrete patio or wood deck whenever possible - eliminating foundation work saves $4,000-$8,000 on most projects
In the Midwest (where St. Louis sits): Most Midwest markets run 10-18% below national average; frost footings required in northern states add $2,000-$5,000.
$12,155-$40,515 in St. Louis
1% above the national average · 1.01x cost multiplier
In St. Louis, a screened porch addition runs $12,155 to $40,515 on average - about 1% above what homeowners pay nationwide. The Midwest 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 St. Louis
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per sq ft | $61 | $152 | $355 |
| Materials | $4,700 | $11,280 | $28,200 |
| Labor | $7,637 | $15,274 | $38,184 |
| Permits | $1,410 | $1,880 | $2,820 |
| Design | $470 | $940 | $4,700 |
| Total | $14,217+2% vs. national avg | $29,374+1% vs. national avg | $73,904+1% 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 St. Louis may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Aluminum Screen Frames with Fiberglass Screening | $8-$15 per linear ft installed | 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 | 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 | 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 | 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 St. Louis
St. Louis Estimate
Typical Range
$12,155-$40,515
vs. National Average
1% above national
Cost Multiplier
1.01x
Cost Per sq ft
$61-$355
This 1.01x estimate prices St. Louis labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.
See national average costs →