House Painting Costs in Idaho: 2026 Price Guide
How much does it cost to paint a house in Idaho? 2026 price ranges for interior and exterior painting, paint types, and tips for finding local painters.
House Painting Costs in Idaho for 2026
Professional painters in Idaho charge $2.33–$4.19 per square foot for interior painting and $1.67–$3.72 per square foot for exterior. Idaho's labor market makes professional painting about 7% below the national average relative to the U.S. average.
Typical Painting Project Costs in Idaho
- Whole-house interior (2,000 sq ft): $3,255–$6,975
- Single room (12×14 ft): $279–$558
- Exterior (2,000 sq ft home): $2,790–$6,510
- Deck or fence staining: $1.4–$3.26 per sq ft
Painting and Idaho's Climate
In Idaho's semi-arid and highland climate, exterior painting timing matters significantly. Dry, hot summers cause paint to dry too quickly, leading to brush marks and poor penetration. Paint in early morning or evening in summer, or choose spring and fall.
Paint Costs and Quantities in Idaho
Quality interior latex paint costs $35–$80 per gallon; premium exterior paint runs $45–$90 per gallon. A gallon covers roughly 350–400 square feet per coat on smooth surfaces. For rough or porous surfaces, expect 20–30% lower coverage. Most projects need two coats, plus primer on new drywall or major color changes.