How do I estimate home improvement costs?

Get multiple contractor quotes, research material costs, and add 10-20% for unexpected expenses. Labor typically costs 50-65% of total project cost.

What home improvements add the most value?

Kitchen and bathroom remodels, new roofing, and energy-efficient upgrades typically provide the best return on investment.

DIY saves money on labor but risks quality issues. Hire contractors for electrical, plumbing, structural work, or permits required.

Calculate home addition costs. Estimate room addition, bump-out, and second story addition prices. Free home addition cost calculator....

Addition Size (sq ft)

Addition Type

Foundation Type

Quality Level

Include Bathroom

Include Kitchen/Kitchenette

Roofing

HVAC

Windows (qty)

Your Region

Total Estimated Cost

Range: $0 - $0

Cost Per Sq Ft

Construction

Finishing

Est. Home Value Add

Foundation $0

Framing & Structure $0

Roofing $0

Windows & Doors $0

Electrical & HVAC $0

Plumbing (Bath/Kitchen) $0

Interior Finishing $0

Calculate home addition costs. Estimate room addition, bump-out, and second story addition prices. Free home addition cost calculator.

This free online calculator provides instant, accurate results. No signup required - just enter your values and get your answer immediately.