Herr Septic & Sewer, Inc

Excavation contractor in Oconomowoc, WI 53066

About this company

Herr Septic & Sewer, Inc is listed as an excavation contractor based in Oconomowoc, Wisconsin, in Waukesha County. Federal motor carrier records list 12 drivers and 15 trucks for the company. It is one of 5 excavation and demolition companies in ZIP 53066.

Other excavation and demolition companies nearby

Grunewald's Grading and Excavation1475 Riverdale Dr, Oconomowoc

(262) 443-8862

Fleet size

Drivers12

Trucks15

Source: FMCSA.

Strong market, crowded fieldArea profitability for excavation and demolition in ZIP 53066

Housing demand85

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

Customer spending power84

Household income and home values

Room for another company20

More crowded than 80% of US ZIPs

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

County context

One of 34 excavation and demolition companies in Waukesha County, WI.

482 general contractors in Waukesha County, WI.

All 1,208 construction companies in Waukesha County, WI.

ZIP 53066 at a glance

Population: 37,558 (141 per sq mi)
Median age: 46
Households: Median income $113,114 · 56% earn six figures
Housing: 78% owner-occupied
Workforce: 65% labor-force participation · 1.6% unemployment

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

Housing market around ZIP 53066

Figures describe the local area, not this company.

Typical home value$583,000+6.6% past year · +85% in 10 years

Typical rent$1,891+4.5% past year

12-month value outlook+3.4%

New homes permitted, 20251,178Waukesha County

Days to sale agreement22Milwaukee metro · 21 a year ago

Listings with a price cut20.5%Milwaukee metro

Sale price vs list101.6%Milwaukee metro

New construction sales79Milwaukee metro, Aug · +8% 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: Waukesha County permitted 1,178 new homes in 2025, including 74 apartment units. 31% of the homes in this ZIP were built since 2000.

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