The Conco Companies
Excavation contractor in Fontana, CA 92337
About this company
The Conco Companies is listed as an excavation contractor at 13052 Dahlia St in Fontana, California, in San Bernardino County. It is one of 2 excavation and demolition companies in ZIP 92337.
Other excavation and demolition companies nearby
Diamond Grading4043 Avon St, Jurupa Valley
3.5 mi(951) 200-5060
King General Construction8611 Tourmaline Ct, Riverside
4.2 mi(951) 292-4948
Hiner's Trenching9270 Hemlock St, Rancho Cucamonga
6.2 mi(909) 941-0704
Earthworks engineering7266 Amethyst Ave, Rancho Cucamonga
6.4 mi(909) 519-6754
Tri County Backhoe & Grading4530 Hillside Ave, Norco
7.3 mi(951) 371-7942
Housing market around ZIP 92337
Figures describe the local area, not this company.
Typical home value$607,000+0.7% past year · +77% in 10 years
Typical rent$3,304
12-month value outlook+0.4%Roughly flat
New homes permitted, 20256,240San Bernardino County
Days to sale agreement31Riverside metro · 37 a year ago
Listings with a price cut24.0%Riverside metro
Sale price vs list99.1%Riverside metro
New construction sales482Riverside metro, Aug · −14% 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: San Bernardino County permitted 6,240 new homes in 2025, including 2,349 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.