| Boise, ID | $18–$45 $/sq ft installed | $12,000–$18,000 300 sq ft composite deck, flat lot, Boise | - Material choice: pressure-treated vs composite vs hardwood
- Lot slope and footing depth past Ada County frost line
- Permit requirements and inspection scheduling delays
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| Charlotte, NC | $25–$65 $/sq ft installed | $13,300–$19,250 350 sq ft composite deck, single level, Charlotte | - Material choice: pressure-treated pine vs composite vs hardwood
- Lot slope and footing complexity
- Mecklenburg County permit fees and required inspections
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| Colorado Springs, CO | $18–$45 $/sq ft installed | $12,000–$18,000 300 sq ft composite deck, mid-grade, attached | - Composite vs pressure-treated lumber material choice
- Footing depth (36-in frost line adds concrete and labor)
- Site slope and post height requirements
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| Fort Myers, FL | $18–$45 $/sq ft installed | $7,500–$16,000 300 sq ft composite deck, pool-adjacent, permitted | - Wind-rated hardware and FBC permitting/engineering fees
- Material choice: pine vs composite vs aluminum
- Footing type driven by flood zone and soil conditions
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| Grand Rapids, MI | $18–$45 $/sq ft installed | $9,000–$16,000 200 sq ft composite deck, attached, Grand Rapids | - Footing depth (42-inch frost line adds labor and concrete)
- Pressure-treated lumber vs. composite decking material
- Elevated or sloped lots requiring longer posts and bracing
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| Indianapolis, IN | $18–$45 $/sq ft installed | $12,000–$18,000 400 sq ft composite deck, single level, Marion County | - Material choice: pressure-treated pine vs composite decking
- Frost-depth footing requirements (30-inch minimum in Indiana)
- Lot grading, elevation, and equipment access
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| Nashville, TN | $18–$45 $/sq ft installed | $10,000–$18,000 12x16 composite deck, mid-grade, Nashville | - Clay soil footing requirements adding cost per pier
- Composite vs pressure-treated lumber material choice
- Lot slope requiring taller posts or engineered drawings
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| Raleigh-Durham, NC | $18–$45 $/sq ft installed | $11,000–$18,000 300–400 sq ft composite deck, single level | - Decking material: pressure-treated vs composite vs hardwood
- Site grade and footing complexity
- Permit fees and engineered drawing requirements
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| Salt Lake City, UT | $18–$75 $/sq ft installed | $14,000–$22,000 400 sq ft composite deck with stairs & railing | - Footing depth required by SLC frost line (30 in)
- Composite vs pressure-treated material choice
- Slope and access on Wasatch bench lots
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| Tampa Bay, FL | $18–$45 $/sq ft installed | $8,500–$18,000 300 sq ft composite deck, attached, Hillsborough Co. | - Footing depth and type required by local soil conditions
- Pressure-treated vs composite decking material choice
- Florida Building Code wind-load hardware compliance
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