Hartmann Sand & Gravel Co Inc
Masonry contractor in Fredonia, WI 53021
About this company
Hartmann Sand & Gravel Co Inc is listed as a masonry contractor at N 6621 Pioneer Dr in Fredonia, Wisconsin, in Ozaukee County. It is one of 3 concrete and masonry companies in ZIP 53021.
Other concrete and masonry companies nearby
Andrew J Construction781 Tower Dr, Fredonia
4.6 mi(262) 689-9015
Advanced Restoration, Inc.4231 County Road Kk, Port Washington
6.8 mi(262) 692-6575
Advanced Restoration, Inc.548 Park St, Belgium
7.7 mi(262) 285-5066
NR Asphalt & Pavement Maintenance, Inc.7226 State Road 144 N, West Bend
9.1 mi(262) 334-4994
Greg Bohn Construction LLC629 Sandy Acre Dr, West-Bend
9.2 mi(262) 310-2055
Housing market around ZIP 53021
Figures describe the local area, not this company.
Typical home value$424,000+5.9% past year · +76% in 10 years
12-month value outlook+3.4%
Days to sale agreement22Milwaukee metro · 21 a year ago
New homes permitted, 2025483Ozaukee County
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: Ozaukee County permitted 483 new homes in 2025, including 172 apartment units. 16% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.