Cost to Screen Porch / Three-Season Room Addition in Detroit, MI (2026)

If you’re budgeting a screen porch / three-season room addition in Detroit, most projects run $7,707-$33,718, 4% below the $18,000 national average. What moves that number most is usually one thing: Square Footage. On its own it can swing the cost by $5,000 - $40,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Build over an existing deck or concrete patio. You eliminate new foundation costs of $2,000-$5,000 and the existing floor is already there.

$7,707-$33,718 in Detroit

4% below the national average · 0.96x cost multiplier

In Detroit, a screen porch / three-season room addition runs $7,707 to $33,718 on average - about 4% below 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 Detroit

Line ItemLowMidHigh
Cost per sq ft$39$87$145
Materials$4,163$8,788$20,350
Labor$3,866$8,139$18,314
Permits$463$740$1,388
Total$8,492-4% vs. national avg$18,315-4% vs. national avg$42,365-4% vs. national avg

Budget

Basic 12x16 (192 sq ft) screen porch added to existing deck - wood framing, aluminum screening, simple shed roof, no electrical

Mid-Range

16x20 (320 sq ft) three-season room with composite decking, ceiling fans, recessed lighting, screen or EZE-Breeze panels, proper footing

Premium

20x24 (480 sq ft) fully enclosed three-season room with vaulted ceiling, bead board ceiling, ceiling fans, built-in outdoor kitchen bar, premium windows or screen systems, full electrical

Material Options

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

MaterialCost/UnitBest For
Standard Aluminum Insect Screening$1 - $3 per sq ft of screen areaWarm climates or homeowners who primarily want insect protection during summer monthsLowest cost, good visibility, allows full airflow, easy to repair
EZE-Breeze Vinyl Track Panels$8 - $15 per linear footHomeowners in mixed climates who want to use the porch spring through fallConvertible between screen and enclosed panel, extends season significantly, keeps out rain and wind
Fiberglass Screening$1.50 - $4 per sq ftHigh-traffic porches or pet households where durability is a priorityMore durable than aluminum, better UV resistance, doesn't crease as easily
Composite Decking Floor$8 - $15 per sq ft installedThree-season rooms and porches that will see heavy use and need low-maintenance flooringLow maintenance, durable, no painting or staining needed, fade-resistant
Pressure-Treated Wood Frame and Floor$4 - $8 per sq ft for flooringBudget-conscious builds where maintenance is acceptableLower cost, natural look, easy to repair, widely available

Other Projects in Detroit

Detroit Estimate

Typical Range

$7,707-$33,718

vs. National Average

4% below national

Cost Multiplier

0.96x

Cost Per sq ft

$39-$145

This 0.96x estimate prices Detroit 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 →