Big Mountain Contractors

Construction company in Idaho City, ID 83631

About this company

Big Mountain Contractors is listed as a construction company based in Idaho City, Idaho, in Boise County. Federal motor carrier records list 2 drivers and 1 trucks for the company. It is one of 4 general contractors in ZIP 83631.

Other construction companies nearby

Evergreen Resource3831 Highway 21, Idaho City

(208) 392-6005

Fleet size

Drivers2

Trucks1

Last federal filing: Nov 2018. Source: FMCSA.

Strong market, crowded fieldArea profitability for construction in ZIP 83631

Housing demand89

Sales pace, new listings and new construction. Source: Zillow

Customer spending power71

Household income and home values

Room for another contractor8

More crowded than 92% of US ZIPs

Scored against every US ZIP. An index of local conditions, not this company's results.

County context

One of 12 general contractors in Boise County, ID.

2 excavation and demolition companies in Boise County, ID.

All 16 construction companies in Boise County, ID.

ZIP 83631 at a glance

Population: 1,916 (4 per sq mi)
Median age: 44
Households: Median income $80,714 · 36% earn six figures
Housing: 85% owner-occupied
Workforce: 55% labor-force participation · 4.5% unemployment

ZIP figures are US Census estimates for the ZIP area, not the company.

Housing market around ZIP 83631

Figures describe the local area, not this company.

Typical home value$403,000+5.3% past year · +156% in 10 years

12-month value outlook+2.0%

Days to sale agreement17Boise City metro · 24 a year ago

New homes permitted, 2025108Boise County

Listings with a price cut32.5%Boise City metro

Sale price vs list99.5%Boise City metro

New construction sales607Boise City metro, Aug · +14% from last year

Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.

Typical home value, last 10 years

Source: Zillow Home Value Index, Sep 2026.

Local building angle: Boise County permitted 108 new homes in 2025. 25% of the homes in this ZIP were built since 2000.

Local figures are estimates from public records and Zillow housing data, updated regularly.