How much does it cost to build a house in Nampa, Idaho?

Building a 2,000 sq ft home in Nampa costs approximately $289,189–$368,059 for mid-range finishes in 2026, or about $173 per square foot.

What is the cost per square foot to build in Nampa?

In Nampa, construction costs range from $128/sq ft (basic) to $236/sq ft (premium), with mid-range quality averaging $173/sq ft in 2026.

Cost to Build a House in Nampa, Idaho (2026)

A 2,000 sq ft mid-range home in Nampa costs approximately $289,189–$368,059, or $173/sq ft.

$128

Basic $/sq ft

builder-grade

$173

Mid-Range $/sq ft

most common

$236

Premium $/sq ft

custom finishes

$328,624

2,000 sq ft (Mid)

two-story estimate

Estimated Build Cost in Idaho

$328,624

Range: $289,189 – $368,059

$164

per sq ft

$1,747/mo

est. mortgage

Configure Your Build

State

Square Footage

sq ft

5004,0008,000

Finish Quality

Upgraded finishes, quality materials

Home Style

Down Payment20% ($65,725)

3%20%50%

Mid-Range Finish Includes

• Quartz countertops
• Hardwood floors
• Semi-custom cabinets
• Upgraded fixtures

Loading chart…

Line-Item Estimate

2,000 sq ft · mid quality

🏗️Foundation & Concrete

Full basement or reinforced crawl space

$32,862

10%

🪵Framing & Structure

Advanced framing techniques, engineered lumber

$52,580

16%

🏠Exterior & Roofing

Fiber cement siding, architectural shingles

$42,721

13%

⚡HVAC / Plumbing / Electrical

High-efficiency HVAC, PEX plumbing, 200A service

$59,152

18%

🧱Insulation & Drywall

Blown-in insulation, smooth-finish drywall

$23,004

🎨Interior Finishes

Quartz counters, hardwood floors, semi-custom cabinets

$52,580

16%

Total Estimate

Range: $289,189 – $368,059

$328,624

$164/sq ft avg

* Excludes land cost, which varies widely by location. Add $20,000–$200,000+ depending on your area.

Building in Nampa: What to Know

→More affordable Treasure Valley option
→Good growth market

Cost by Size in Nampa

1,000 sq ft$164,312

1,500 sq ft$246,468

2,000 sq ft$328,624

2,500 sq ft$410,780

3,000 sq ft$492,936

About Construction Costs in Nampa

Building a new home in Nampa, Idaho in 2026 costs approximately $173 per square foot for mid-range construction — putting a 2,000 sq ft home at roughly $328,624 for the structure alone (excluding land).

Idaho as a whole has a cost multiplier of 0.92× the national average. Combined with Nampa's local adjustment of 1×, the effective multiplier for this city is 0.92× the national baseline.

These estimates cover construction costs only and do not include land, which varies significantly in Nampa. Always obtain bids from at least 2–3 licensed general contractors in the area for an accurate project budget.

See all of Idaho

Statewide costs, all cities, and detailed notes

Idaho guide →