Sioux River Construction Inc

Construction company in Sioux City, IA 51109

About this company

Sioux River Construction Inc is listed as a construction company based in Sioux City, Iowa, in Plymouth County. Federal motor carrier records list 3 drivers and 4 trucks for the company. It is one of 2 general contractors in ZIP 51109.

Fleet size

Drivers3

Trucks4

Last federal filing: Nov 2025. Source: FMCSA.

Soft market, open fieldArea profitability for construction in ZIP 51109

Housing demand25

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

Customer spending power39

Household income and home values

Room for another contractor67

Less crowded than 67% of US ZIPs

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

County context

One of 36 general contractors in Plymouth County, IA.

8 roofing companies in Plymouth County, IA.

All 71 construction companies in Plymouth County, IA.

ZIP 51109 at a glance

Population: 3,606 (79 per sq mi)
Median age: 39
Households: Median income $79,034 · 30% earn six figures
Housing: 87% owner-occupied
Workforce: 66% labor-force participation · 1.9% unemployment

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

Housing market around ZIP 51109

Figures describe the local area, not this company.

Typical home value$176,000+4.9% past year · +102% in 10 years

12-month value outlook+3.0%

Days to sale agreement22Sioux City metro · 16 a year ago

New homes permitted, 202545Plymouth County

Listings with a price cut29.8%Sioux City metro

Sale price vs list97.8%Sioux City metro

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: Plymouth County permitted 45 new homes in 2025. 11% of the homes in this ZIP were built since 2000.

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