Portzen Construction Inc
General contractor in Dubuque, IA 52003
About this company
Portzen Construction Inc is listed as a general contractor at 205 Stone Valley Dr in Dubuque, Iowa, in Dubuque County. Federal motor carrier records list 120 drivers and 75 trucks for the company. It is one of 18 general contractors in ZIP 52003.
Other construction companies nearby
Koerperick Construction Company11349 High Ridge Dr, Dubuque
0.6 mi(563) 583-4282
Francois Masonry14362 N Cascade Rd, Dubuque
1.3 mi(563) 557-2340
Callahan Construction and Apartments7629 Commerce Park, Dubuque
2.0 mi(563) 588-4273
CK Construction7869 Commerce Park, Dubuque
2.0 mi(563) 451-3447
Geisler Brothers Co1500 Radford Rd, Dubuque
2.1 mi(563) 583-7363
Housing market around ZIP 52003
Figures describe the local area, not this company.
Typical home value$338,000+3.9% past year · +68% in 10 years
12-month value outlook+3.1%
Days to sale agreement10Dubuque metro · 9 a year ago
New homes permitted, 2025334Dubuque County
Listings with a price cut32.3%Dubuque metro
Sale price vs list98.8%Dubuque 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: Dubuque County permitted 334 new homes in 2025, including 164 apartment units. 24% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.