Home Addition Installation Professional;Cost

Architect;$2,000 – $10,000 Demolition;$500 – $10,000 Roofer;$2 – $5 per square foot Electrician;$40 – $100 per hour Plumber;$50 – $200 per hour Carpenter;$75 – $100 per hour General Contractor;$100 – $150 per hour HVAC Technician;$50 – $100 per hour

Square Footage;Cost

100;$8,000 – $20,000 200;$16,000 – $40,000 300;$24,000 – $60,000 400;$32,000 – $80,000 500;$40,000 – $100,000 600;$48,000 – 120,000 700;$56,000 – $140,000 800;$64,000 – $160,000 900;$72,000 – $180,000 1,000;$80,000 – $200,000

Materials;Cost

Foundation;$4 – $25 per square foot Flooring;$0.50 – $15 per square foot Roofing;$75 – $600 per square foot Paint;$2 – $5 per square foot Support Beams;$1,150 – $4,600 Drywall;$1 – $3 per square foot Insulation;$2 per square foot Siding and Trim;$1 – $30 per square foot Interior Doors;$250 – $1,150 each Exterior Doors;$500 – $2,000 each Windows;$250 – $1,000 each

Garage Size;Average Price Rage

1-Car;$10,500 – $27,000 2-Car;$14,500 – $40,300 3-Car;$28,200 – $57,100 4-Car;$32,000 – $73,900