David A Duellman & Son

Excavation contractor in Fountain City, WI 54629

About this company

David A Duellman & Son is listed as an excavation contractor based in Fountain City, Wisconsin, in Buffalo County. Federal motor carrier records list 3 drivers and 2 trucks for the company. It is one of 2 excavation and demolition companies in ZIP 54629.

Fleet size

Drivers3

Trucks2

Last federal filing: Apr 2026. Source: FMCSA.

Moderate market, crowded fieldArea profitability for excavation and demolition in ZIP 54629

Customer spending power52

Household income and home values

Room for another company2

More crowded than 98% of US ZIPs

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

County context

One of 3 excavation and demolition companies in Buffalo County, WI.

33 general contractors in Buffalo County, WI.

All 54 construction companies in Buffalo County, WI.

ZIP 54629 at a glance

Population: 2,595 (9 per sq mi)
Median age: 49
Households: Median income $74,432 · 34% earn six figures
Housing: 80% owner-occupied
Workforce: 67% labor-force participation · 3.1% unemployment

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

Housing market around ZIP 54629

Figures describe the local area, not this company.

Typical home value$285,000+8.3% past year · +86% in 10 years

New homes permitted, 202540Buffalo County

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: Buffalo County permitted 40 new homes in 2025. 17% of the homes in this ZIP were built since 2000.

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