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These numbers aren't national averages — they come from the actual material lists of 6 buildable rv carports designs, priced line by line (lumber, hardware, concrete, roofing) at 2026 retail prices. DIY material costs range from $3,232 to $6,223, with a median of $4,430. Contractor estimates below add labor (about 65% of materials), overhead and profit.
| Design | DIY materials | Contractor estimate | Plan |
|---|---|---|---|
| Menard 12x24 RV Carport Plan — Spacious Covered Motorhome… | $3,232 | $6,745 | $54 |
| Leeland 12x30 RV Carport Plan — Spacious Motorhome &… | $3,550 | $7,409 | $54 |
| Hadley 14x30 RV Carport Plan — Spacious Motorhome, Camper… | $4,276 | $8,924 | $54 |
| Pease 12x34 RV Carport Plan — Extra-Long Motorhome &… | $4,430 | $9,247 | $54 |
| Bremound 20x32 RV Carport Plan — Extra-Large Motorhome,… | $5,054 | $10,548 | $54 |
| Delano 20x42 RV Carport Plan — Extra-Large Motorhome,… | $6,223 | $12,990 | $54 |
Size is the biggest factor, followed by roof type and foundation. Every plan above includes the full material list, so you can price it at your local lumberyard — or open the design's live calculator (linked from each plan page) to see the line-by-line breakdown behind these totals.
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