Cost to Build a House in Idaho Falls, Idaho (2026)
A 2,000 sq ft mid-range home in Idaho Falls costs approximately $268,946–$342,294, or $161/sq ft. Idaho Falls runs 7% below the Idaho average.
Estimated Build Cost in Idaho
Range: $289,189 – $368,059
Configure Your Build
Upgraded finishes, quality materials
Mid-Range Finish Includes
- • Quartz countertops
- • Hardwood floors
- • Semi-custom cabinets
- • Upgraded fixtures
Line-Item Estimate
* Excludes land cost, which varies widely by location. Add $20,000–$200,000+ depending on your area.
Building in Idaho Falls: What to Know
- →Eastern ID, lower costs
- →Smaller contractor pool
Cost by Size in Idaho Falls
About Construction Costs in Idaho Falls
Building a new home in Idaho Falls, Idaho in 2026 costs approximately $161 per square foot for mid-range construction — putting a 2,000 sq ft home at roughly $305,620 for the structure alone (excluding land). Idaho Falls is 7% below the Idaho state average, making it one of the more affordable markets in the state.
Idaho as a whole has a cost multiplier of 0.92× the national average. Combined with Idaho Falls's local adjustment of 0.93×, the effective multiplier for this city is 0.86× the national baseline.
These estimates cover construction costs only and do not include land, which varies significantly in Idaho Falls. Always obtain bids from at least 2–3 licensed general contractors in the area for an accurate project budget.