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Ultimate Guide 8 min read Updated 2026-02-01

Interior Painting Guide 2026: DIY Tips & Pro Costs

Paint your interior like a pro. Costs, color selection, and room-by-room tips.

Table of Contents

Interior Painting Costs

Per room (12x12):
  • DIY: $50-$150
  • Pro: $200-$500
Whole house (2,000 sq ft):
  • DIY: $500-$1,000
  • Pro: $2,000-$5,000

Pro Tips

  • Prep is 80% - Clean, sand, prime
  • Quality paint matters - $40-50/gallon
  • Two coats always - Better coverage
  • Cut in first - Edges before rolling
  • Paint ceiling first - Then walls, trim last

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